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<style>
.cloud-cta {
color: var(--ifm-menu-color-active);
font-weight: 600;
background: linear-gradient(40deg, var(--ifm-menu-color-active), var(--ifm-menu-color-active));
background-size: 200% 100%;
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background-clip: text;
transition: background-image 0.3s ease;
}
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color: transparent;
background: linear-gradient(40deg, var(--ifm-menu-color-active), #ff1493);
background-size: 200% 100%;
-webkit-background-clip: text;
background-clip: text;
animation: gradientShift 3s ease infinite;
}
@keyframes gradientShift {
0%, 100% { background-position: 0% 50%; }
50% { background-position: 100% 50%; }
}
</style>
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History</a></div></li></ul></nav></div></div></aside><main class="docMainContainer_gTbr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Developing on DataHub</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Troubleshooting</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Quickstart Debugging Guide</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>Quickstart Debugging Guide</h1><p>For when <a href="/docs/quickstart">Quickstart</a> did not work out smoothly.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="common-problems">Common Problems<a href="#common-problems" class="hash-link" aria-label="Direct link to Common Problems" title="Direct link to Common Problems">​</a></h2><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>Command not found: datahub</summary><div><div class="collapsibleContent_i85q"><p>If running the datahub cli produces &quot;command not found&quot; errors inside your terminal, your system may be defaulting to an
older version of Python. Try prefixing your <code>datahub</code> commands with <code>python3 -m</code>:</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">python3 -m datahub </span><span class="token function" style="color:rgb(130, 170, 255)">docker</span><span class="token plain"> quickstart</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Another possibility is that your system PATH does not include pip&#x27;s <code>$HOME/.local/bin</code> directory. On linux, you can add this to your <code>~/.bashrc</code>:</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain"> -d </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;</span><span class="token string environment constant" style="color:rgb(130, 170, 255)">$HOME</span><span class="token string" style="color:rgb(195, 232, 141)">/.local/bin&quot;</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">then</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token assign-left variable environment constant" style="color:rgb(130, 170, 255)">PATH</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;</span><span class="token string environment constant" style="color:rgb(130, 170, 255)">$HOME</span><span class="token string" style="color:rgb(195, 232, 141)">/.local/bin:</span><span class="token string environment constant" style="color:rgb(130, 170, 255)">$PATH</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">fi</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div></div></details><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>Port Conflicts</summary><div><div class="collapsibleContent_i85q"><p>By default the quickstart deploy will require the following ports to be free on your local machine:</p><ul><li>3306 for MySQL</li><li>9200 for Elasticsearch</li><li>9092 for the Kafka broker</li><li>8081 for Schema Registry</li><li>2181 for ZooKeeper</li><li>9002 for the DataHub Web Application (datahub-frontend)</li><li>8080 for the DataHub Metadata Service (datahub-gms)</li></ul><p>In case the default ports conflict with software you are already running on your machine, you can override these ports by passing additional flags to the <code>datahub docker quickstart</code> command.
e.g. To override the MySQL port with 53306 (instead of the default 3306), you can say: <code>datahub docker quickstart --mysql-port 53306</code>. Use <code>datahub docker quickstart --help</code> to see all the supported options.
For the metadata service container (datahub-gms), you need to use an environment variable, <code>DATAHUB_MAPPED_GMS_PORT</code>. So for instance to use the port 58080, you would say <code>DATAHUB_MAPPED_GMS_PORT=58080 datahub docker quickstart</code></p></div></div></details><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>no matching manifest for linux/arm64/v8 in the manifest list entries</summary><div><div class="collapsibleContent_i85q">On Mac computers with Apple Silicon (M1, M2 etc.), you might see an error like `no matching manifest for linux/arm64/v8 in the manifest list entries`, this typically means that the datahub cli was not able to detect that you are running it on Apple Silicon. To resolve this issue, override the default architecture detection by issuing `datahub docker quickstart --arch m1`</div></div></details><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>Miscellaneous Docker issues</summary><div><div class="collapsibleContent_i85q">There can be misc issues with Docker, like conflicting containers and dangling volumes, that can often be resolved by pruning your Docker state with the following command. Note that this command removes all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes.<div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker system prune</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div></div></details><h2 class="anchor anchorWithStickyNavbar_LWe7" id="how-can-i-confirm-if-all-docker-containers-are-running-as-expected-after-a-quickstart">How can I confirm if all Docker containers are running as expected after a quickstart?<a href="#how-can-i-confirm-if-all-docker-containers-are-running-as-expected-after-a-quickstart" class="hash-link" aria-label="Direct link to How can I confirm if all Docker containers are running as expected after a quickstart?" title="Direct link to How can I confirm if all Docker containers are running as expected after a quickstart?">​</a></h2><p>If you set up the <code>datahub</code> CLI tool (see <a href="/docs/metadata-ingestion">here</a>), you can use the built-in check utility:</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">datahub </span><span class="token function" style="color:rgb(130, 170, 255)">docker</span><span class="token plain"> check</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>You can list all Docker containers in your local by running <code>docker container ls</code>. You should expect to see a log similar to the below:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">979830a342ce acryldata/datahub-mce-consumer:latest &quot;bash -c &#x27;while ping…&quot; 10 hours ago Up 10 hours datahub-mce-consumer</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">3abfc72e205d acryldata/datahub-frontend-react:latest &quot;datahub-frontend…&quot; 10 hours ago Up 10 hours 0.0.0.0:9002-&gt;9002/tcp datahub-frontend</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">50b2308a8efd acryldata/datahub-mae-consumer:latest &quot;bash -c &#x27;while ping…&quot; 10 hours ago Up 10 hours datahub-mae-consumer</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">4d6b03d77113 acryldata/datahub-gms:latest &quot;bash -c &#x27;dockerize …&quot; 10 hours ago Up 10 hours 0.0.0.0:8080-&gt;8080/tcp datahub-gms</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">c267c287a235 landoop/schema-registry-ui:latest &quot;/run.sh&quot; 10 hours ago Up 10 hours 0.0.0.0:8000-&gt;8000/tcp schema-registry-ui</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">4b38899cc29a confluentinc/cp-schema-registry:5.2.1 &quot;/etc/confluent/dock…&quot; 10 hours ago Up 10 hours 0.0.0.0:8081-&gt;8081/tcp schema-registry</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">37c29781a263 confluentinc/cp-kafka:5.2.1 &quot;/etc/confluent/dock…&quot; 10 hours ago Up 10 hours 0.0.0.0:9092-&gt;9092/tcp, 0.0.0.0:29092-&gt;29092/tcp broker</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">15440d99a510 docker.elastic.co/kibana/kibana:5.6.8 &quot;/bin/bash /usr/loca…&quot; 10 hours ago Up 10 hours 0.0.0.0:5601-&gt;5601/tcp kibana</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">943e60f9b4d0 neo4j:4.0.6 &quot;/sbin/tini -g -- /d…&quot; 10 hours ago Up 10 hours 0.0.0.0:7474-&gt;7474/tcp, 7473/tcp, 0.0.0.0:7687-&gt;7687/tcp neo4j</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">6d79b6f02735 confluentinc/cp-zookeeper:5.2.1 &quot;/etc/confluent/dock…&quot; 10 hours ago Up 10 hours 2888/tcp, 0.0.0.0:2181-&gt;2181/tcp, 3888/tcp zookeeper</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">491d9f2b2e9e docker.elastic.co/elasticsearch/elasticsearch:5.6.8 &quot;/bin/bash bin/es-do…&quot; 10 hours ago Up 10 hours 0.0.0.0:9200-&gt;9200/tcp, 9300/tcp elasticsearch</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">ce14b9758eb3 mysql:8.2</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Also you can check individual Docker container logs by running <code>docker logs &lt;&lt;container_name&gt;&gt;</code>. For <code>datahub-gms</code>, you should see a log similar to this at the end of the initialization:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">2020-02-06 09:20:54.870:INFO:oejs.Server:main: Started @18807ms</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>For <code>datahub-frontend-react</code>, you should see a log similar to this at the end of the initialization:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">09:20:22 [main] INFO play.core.server.AkkaHttpServer - Listening for HTTP on /0.0.0.0:9002</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="my-elasticsearch-or-broker-container-exited-with-error-or-was-stuck-forever">My elasticsearch or broker container exited with error or was stuck forever<a href="#my-elasticsearch-or-broker-container-exited-with-error-or-was-stuck-forever" class="hash-link" aria-label="Direct link to My elasticsearch or broker container exited with error or was stuck forever" title="Direct link to My elasticsearch or broker container exited with error or was stuck forever">​</a></h2><p>If you&#x27;re seeing errors like below, chances are you didn&#x27;t give enough resource to docker. Please make sure to allocate at least 8GB of RAM + 2GB swap space.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">datahub-gms | 2020/04/03 14:34:26 Problem with request: Get http://elasticsearch:9200: dial tcp 172.19.0.5:9200: connect: connection refused. Sleeping 1s</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">broker | [2020-04-03 14:34:42,398] INFO Client session timed out, have not heard from server in 6874ms for sessionid 0x10000023fa60002, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">schema-registry | [2020-04-03 14:34:48,518] WARN Client session timed out, have not heard from server in 20459ms for sessionid 0x10000023fa60007 (org.apache.zookeeper.ClientCnxn)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="how-can-i-check-if-mxe-kafka-topics-are-created">How can I check if <a href="/docs/what/mxe">MXE</a> Kafka topics are created?<a href="#how-can-i-check-if-mxe-kafka-topics-are-created" class="hash-link" aria-label="Direct link to how-can-i-check-if-mxe-kafka-topics-are-created" title="Direct link to how-can-i-check-if-mxe-kafka-topics-are-created">​</a></h2><p>You can use a utility like <a href="https://github.com/edenhill/kafkacat" target="_blank" rel="noopener noreferrer">kafkacat</a> to list all topics.
You can run below command to see the Kafka topics created in your Kafka broker.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">kafkacat -L -b localhost:9092</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Confirm that <code>MetadataChangeEvent</code>, <code>MetadataAuditEvent</code>, <code>MetadataChangeProposal_v1</code> and <code>MetadataChangeLog_v1</code> topics exist besides the default ones.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="how-can-i-check-if-search-indices-are-created-in-elasticsearch">How can I check if search indices are created in Elasticsearch?<a href="#how-can-i-check-if-search-indices-are-created-in-elasticsearch" class="hash-link" aria-label="Direct link to How can I check if search indices are created in Elasticsearch?" title="Direct link to How can I check if search indices are created in Elasticsearch?">​</a></h2><p>You can run below command to see the search indices created in your Elasticsearch.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token function" style="color:rgb(130, 170, 255)">curl</span><span class="token plain"> http://localhost:9200/_cat/indices</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Confirm that <code>datasetindex_v2</code> &amp; <code>corpuserindex_v2</code> indices exist besides the default ones. Example response as below:</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> dataset_datasetprofileaspect_v1 HnfYZgyvS9uPebEQDjA1jg </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> 208b 208b</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> datajobindex_v2 A561PfNsSFmSg1SiR0Y0qQ </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">9</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">34</span><span class="token plain">.1kb </span><span class="token number" style="color:rgb(247, 140, 108)">34</span><span class="token plain">.1kb</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> mlmodelindex_v2 WRJpdj2zT4ePLSAuEvFlyQ </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">12</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">24</span><span class="token plain">.2kb </span><span class="token number" style="color:rgb(247, 140, 108)">24</span><span class="token plain">.2kb</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> dataflowindex_v2 FusYIc1VQE-5NaF12uS8dA </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">23</span><span class="token plain">.3kb </span><span class="token number" style="color:rgb(247, 140, 108)">23</span><span class="token plain">.3kb</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> mlmodelgroupindex_v2 QOzAaVx7RJ2ovt-eC0hg1w </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> 208b 208b</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> datahubpolicyindex_v2 luXfXRlSRoS2-S_tvfLjHA </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> 208b 208b</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> corpuserindex_v2 gbNXtnIJTzqh3vHSZS0Fwg </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">18</span><span class="token plain">.4kb </span><span class="token number" style="color:rgb(247, 140, 108)">18</span><span class="token plain">.4kb</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> dataprocessindex_v2 9fL_4iCNTLyFv8MkDc6nIg </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> 208b 208b</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> chartindex_v2 wYKlG5ylQe2dVKHOaswTww </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2</span><span class="token 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style="color:#bfc7d5"><span class="token plain">yellow </span><span class="token function" style="color:rgb(130, 170, 255)">open</span><span class="token plain"> dataset_datasetusagestatisticsaspect_v1 WqPpDCKZRLaMIcYAAkS_1Q </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token plain"> 208b 208b</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="how-can-i-check-if-data-has-been-loaded-into-mysql-properly">How can I check if data has been loaded into MySQL properly?<a href="#how-can-i-check-if-data-has-been-loaded-into-mysql-properly" class="hash-link" aria-label="Direct link to How can I check if data has been loaded into MySQL properly?" title="Direct link to How can I check if data has been loaded into MySQL properly?">​</a></h2><p>Once the mysql container is up and running, you should be able to connect to it directly on <code>localhost:3306</code> using tools such as <a href="https://www.mysql.com/products/workbench/" target="_blank" rel="noopener noreferrer">MySQL Workbench</a>. You can also run the following command to invoke <a href="https://dev.mysql.com/doc/refman/8.0/en/mysql.html" target="_blank" rel="noopener noreferrer">MySQL Command-Line Client</a> inside the mysql container.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker exec -it mysql /usr/bin/mysql datahub --user=datahub --password=datahub</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Inspect the content of <code>metadata_aspect_v2</code> table, which contains the ingested aspects for all entities.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="getting-error-while-starting-docker-containers">Getting error while starting Docker containers<a href="#getting-error-while-starting-docker-containers" class="hash-link" aria-label="Direct link to Getting error while starting Docker containers" title="Direct link to Getting error while starting Docker containers">​</a></h2><p>There can be different reasons why a container fails during initialization. Below are the most common reasons:</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="bind-address-already-in-use"><code>bind: address already in use</code><a href="#bind-address-already-in-use" class="hash-link" aria-label="Direct link to bind-address-already-in-use" title="Direct link to bind-address-already-in-use">​</a></h3><p>This error means that the network port (which is supposed to be used by the failed container) is already in use on your system. You need to find and kill the process which is using this specific port before starting the corresponding Docker container. If you don&#x27;t want to kill the process which is using that port, another option is to change the port number for the Docker container. You need to find and change the <a href="https://docs.docker.com/compose/compose-file/#ports" target="_blank" rel="noopener noreferrer">ports</a> parameter for the specific Docker container in the <code>docker-compose.yml</code> configuration file.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">Example : On macOS</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">ERROR: for mysql Cannot start service mysql: driver failed programming external connectivity on endpoint mysql (5abc99513affe527299514cea433503c6ead9e2423eeb09f127f87e2045db2ca): Error starting userland proxy: listen tcp 0.0.0.0:3306: bind: address already in use</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> 1) sudo lsof -i :3306</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> 2) kill -15 &lt;PID found in step1&gt;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="oci-runtime-create-failed"><code>OCI runtime create failed</code><a href="#oci-runtime-create-failed" class="hash-link" aria-label="Direct link to oci-runtime-create-failed" title="Direct link to oci-runtime-create-failed">​</a></h3><p>If you see an error message like below, please make sure to git update your local repo to HEAD.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">ERROR: for datahub-mae-consumer Cannot start service datahub-mae-consumer: OCI runtime create failed: container_linux.go:349: starting container process caused &quot;exec: \&quot;bash\&quot;: executable file not found in $PATH&quot;: unknown</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="failed-to-register-layer-devmapper-unknown-device"><code>failed to register layer: devmapper: Unknown device</code><a href="#failed-to-register-layer-devmapper-unknown-device" class="hash-link" aria-label="Direct link to failed-to-register-layer-devmapper-unknown-device" title="Direct link to failed-to-register-layer-devmapper-unknown-device">​</a></h3><p>This most means that you&#x27;re out of disk space (see <a href="https://github.com/datahub-project/datahub/issues/1879" target="_blank" rel="noopener noreferrer">#1879</a>).</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="error-for-kafka-rest-proxy--get-httpsregistry-1dockeriov2confluentinccp-kafka-restmanifests540-eof"><code>ERROR: for kafka-rest-proxy Get https://registry-1.docker.io/v2/confluentinc/cp-kafka-rest/manifests/5.4.0: EOF</code><a href="#error-for-kafka-rest-proxy--get-httpsregistry-1dockeriov2confluentinccp-kafka-restmanifests540-eof" class="hash-link" aria-label="Direct link to error-for-kafka-rest-proxy--get-httpsregistry-1dockeriov2confluentinccp-kafka-restmanifests540-eof" title="Direct link to error-for-kafka-rest-proxy--get-httpsregistry-1dockeriov2confluentinccp-kafka-restmanifests540-eof">​</a></h3><p>This is most likely a transient issue with <a href="https://docs.docker.com/registry/" target="_blank" rel="noopener noreferrer">Docker Registry</a>. Retry again later.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="toomanyrequests-too-many-failed-login-attempts-for-username-or-ip-address">toomanyrequests: too many failed login attempts for username or IP address<a href="#toomanyrequests-too-many-failed-login-attempts-for-username-or-ip-address" class="hash-link" aria-label="Direct link to toomanyrequests: too many failed login attempts for username or IP address" title="Direct link to toomanyrequests: too many failed login attempts for username or IP address">​</a></h2><p>Try the following</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token function" style="color:rgb(130, 170, 255)">rm</span><span class="token plain"> ~/.docker/config.json</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token function" style="color:rgb(130, 170, 255)">docker</span><span class="token plain"> login</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>More discussions on the same issue <a href="https://github.com/docker/hub-feedback/issues/1250" target="_blank" rel="noopener noreferrer">https://github.com/docker/hub-feedback/issues/1250</a></p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="seeing-table-datahubmetadata_aspect-doesnt-exist-error-when-logging-in">Seeing <code>Table &#x27;datahub.metadata_aspect&#x27; doesn&#x27;t exist</code> error when logging in<a href="#seeing-table-datahubmetadata_aspect-doesnt-exist-error-when-logging-in" class="hash-link" aria-label="Direct link to seeing-table-datahubmetadata_aspect-doesnt-exist-error-when-logging-in" title="Direct link to seeing-table-datahubmetadata_aspect-doesnt-exist-error-when-logging-in">​</a></h2><p>This means the database wasn&#x27;t properly initialized as part of the quickstart processs (see <a href="https://github.com/datahub-project/datahub/issues/1816" target="_blank" rel="noopener noreferrer">#1816</a>). Please run the following command to manually initialize it.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">docker exec -i mysql sh -c &#x27;exec mysql datahub -udatahub -pdatahub&#x27; &lt; docker/mysql/init.sql</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="ive-messed-up-my-docker-setup-how-do-i-start-from-scratch">I&#x27;ve messed up my docker setup. How do I start from scratch?<a href="#ive-messed-up-my-docker-setup-how-do-i-start-from-scratch" class="hash-link" aria-label="Direct link to I&#x27;ve messed up my docker setup. How do I start from scratch?" title="Direct link to I&#x27;ve messed up my docker setup. How do I start from scratch?">​</a></h2><p>Run the following script to remove all the containers and volumes created during the quickstart tutorial. Note that you&#x27;ll also lose all the data as a result.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">datahub docker nuke</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="im-seeing-exceptions-in-datahub-gms-container-like-caused-by-javalangillegalstateexception-duplicate-key-comlinkedinmetadataentityebeanebeanaspectv2dd26e011-what-do-i-do">I&#x27;m seeing exceptions in DataHub GMS container like &quot;Caused by: java.lang.IllegalStateException: Duplicate key com.linkedin.metadata.entity.ebean.EbeanAspectV2@dd26e011&quot;. What do I do?<a href="#im-seeing-exceptions-in-datahub-gms-container-like-caused-by-javalangillegalstateexception-duplicate-key-comlinkedinmetadataentityebeanebeanaspectv2dd26e011-what-do-i-do" class="hash-link" aria-label="Direct link to I&#x27;m seeing exceptions in DataHub GMS container like &quot;Caused by: java.lang.IllegalStateException: Duplicate key com.linkedin.metadata.entity.ebean.EbeanAspectV2@dd26e011&quot;. What do I do?" title="Direct link to I&#x27;m seeing exceptions in DataHub GMS container like &quot;Caused by: java.lang.IllegalStateException: Duplicate key com.linkedin.metadata.entity.ebean.EbeanAspectV2@dd26e011&quot;. What do I do?">​</a></h2><p>This is related to a SQL column collation issue. The default collation we previously used (prior to Oct 26, 2021) for URN fields was case-insensitive (utf8mb4_unicode_ci). We&#x27;ve recently moved
to deploying with a case-sensitive collation (utf8mb4_bin) by default. In order to update a deployment that was started before Oct 26, 2021 (v0.8.16 and below) to have the new collation, you must run this command against your SQL DB directly:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">ALTER TABLE metadata_aspect_v2 CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="ive-modified-the-default-userprops-file-to-include-a-custom-username-and-password-but-i-dont-see-the-new-users-inside-the-users--groups-tab-why-not">I&#x27;ve modified the default user.props file to include a custom username and password, but I don&#x27;t see the new user(s) inside the Users &amp; Groups tab. Why not?<a href="#ive-modified-the-default-userprops-file-to-include-a-custom-username-and-password-but-i-dont-see-the-new-users-inside-the-users--groups-tab-why-not" class="hash-link" aria-label="Direct link to I&#x27;ve modified the default user.props file to include a custom username and password, but I don&#x27;t see the new user(s) inside the Users &amp; Groups tab. Why not?" title="Direct link to I&#x27;ve modified the default user.props file to include a custom username and password, but I don&#x27;t see the new user(s) inside the Users &amp; Groups tab. Why not?">​</a></h2><p>Currently, <code>user.props</code> is a file used by the JAAS PropertyFileLoginModule solely for the purpose of <strong>Authentication</strong>. The file is not used as an source from which to
ingest additional metadata about the user. For that, you&#x27;ll need to ingest some custom information about your new user using the Rest.li APIs or the <a href="/docs/generated/ingestion/sources/metadata-file">Metadata File ingestion source</a>.</p><p>For an example of a file that ingests user information, check out <a href="https://github.com/datahub-project/datahub/blob/master/metadata-ingestion/examples/mce_files/single_mce.json" target="_blank" rel="noopener noreferrer">single_mce.json</a>, which ingests a single user object into DataHub. Notice that the &quot;urn&quot; field provided
will need to align with the custom username you&#x27;ve provided in user.props file. For example, if your user.props file contains:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">my-custom-user:my-custom-password</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>You&#x27;ll need to ingest some metadata of the following form to see it inside the DataHub UI:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">{</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;auditHeader&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;proposedSnapshot&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;com.linkedin.pegasus2avro.metadata.snapshot.CorpUserSnapshot&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;urn&quot;: &quot;urn:li:corpuser:my-custom-user&quot;,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;aspects&quot;: [</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;com.linkedin.pegasus2avro.identity.CorpUserInfo&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;active&quot;: true,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;displayName&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;string&quot;: &quot;The name of the custom user&quot;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> },</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;email&quot;: &quot;my-custom-user-email@example.io&quot;,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;title&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;string&quot;: &quot;Engineer&quot;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> },</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;managerUrn&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;departmentId&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;departmentName&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;firstName&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;lastName&quot;: null,</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;fullName&quot;: {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;string&quot;: &quot;My Custom User&quot;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> },</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;countryCode&quot;: null</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ]</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> },</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> &quot;proposedDelta&quot;: null</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="ive-configured-oidc-but-i-cannot-login-i-get-continuously-redirected-what-do-i-do">I&#x27;ve configured OIDC, but I cannot login. I get continuously redirected. What do I do?<a href="#ive-configured-oidc-but-i-cannot-login-i-get-continuously-redirected-what-do-i-do" class="hash-link" aria-label="Direct link to I&#x27;ve configured OIDC, but I cannot login. I get continuously redirected. What do I do?" title="Direct link to I&#x27;ve configured OIDC, but I cannot login. I get continuously redirected. What do I do?">​</a></h2><p>Sorry to hear that!</p><p>This phenomena may be due to the size of a Cookie DataHub uses to authenticate its users. If it&#x27;s too large ( &gt; 4096), then you&#x27;ll see this behavior. The cookie embeds an encoded version of the information returned by your OIDC Identity Provider - if they return a lot of information, this can be the root cause.</p><p>One solution is to use Play Cache to persist this session information for a user. This means the attributes about the user (and their session info) will be stored in an in-memory store in the <code>datahub-frontend</code> service, instead of a browser-side cookie.</p><p>To configure the Play Cache session store, you can set the env variable &quot;PAC4J_SESSIONSTORE_PROVIDER&quot; as &quot;PlayCacheSessionStore&quot; for the <code>datahub-frontend</code> container.</p><p>Do note that there are downsides to using the Play Cache. Specifically, it will make <code>datahub-frontend</code> a stateful server. If you have multiple instances of <code>datahub-frontend</code> deployed, you&#x27;ll need to ensure that the same user is deterministically routed to the same service container (since the sessions are stored in memory). If you&#x27;re using a single instance of <code>datahub-frontend</code> (the default), then things should &quot;just work&quot;.</p><p>For more details, please refer to <a href="https://github.com/datahub-project/datahub/pull/5114" target="_blank" rel="noopener noreferrer">https://github.com/datahub-project/datahub/pull/5114</a></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="slackUtm_uoBr"><div class="slackUtm_uoBr"><hr>Need more help? 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href="#how-can-i-confirm-if-all-docker-containers-are-running-as-expected-after-a-quickstart" class="table-of-contents__link toc-highlight">How can I confirm if all Docker containers are running as expected after a quickstart?</a></li><li><a href="#my-elasticsearch-or-broker-container-exited-with-error-or-was-stuck-forever" class="table-of-contents__link toc-highlight">My elasticsearch or broker container exited with error or was stuck forever</a></li><li><a href="#how-can-i-check-if-mxe-kafka-topics-are-created" class="table-of-contents__link toc-highlight">How can I check if MXE Kafka topics are created?</a></li><li><a href="#how-can-i-check-if-search-indices-are-created-in-elasticsearch" class="table-of-contents__link toc-highlight">How can I check if search indices are created in Elasticsearch?</a></li><li><a href="#how-can-i-check-if-data-has-been-loaded-into-mysql-properly" class="table-of-contents__link toc-highlight">How can I check if data has been loaded into MySQL properly?</a></li><li><a href="#getting-error-while-starting-docker-containers" class="table-of-contents__link toc-highlight">Getting error while starting Docker containers</a><ul><li><a href="#bind-address-already-in-use" class="table-of-contents__link toc-highlight"><code>bind: address already in use</code></a></li><li><a href="#oci-runtime-create-failed" class="table-of-contents__link toc-highlight"><code>OCI runtime create failed</code></a></li><li><a href="#failed-to-register-layer-devmapper-unknown-device" class="table-of-contents__link toc-highlight"><code>failed to register layer: devmapper: Unknown device</code></a></li><li><a href="#error-for-kafka-rest-proxy--get-httpsregistry-1dockeriov2confluentinccp-kafka-restmanifests540-eof" class="table-of-contents__link toc-highlight"><code>ERROR: for kafka-rest-proxy Get https://registry-1.docker.io/v2/confluentinc/cp-kafka-rest/manifests/5.4.0: EOF</code></a></li></ul></li><li><a href="#toomanyrequests-too-many-failed-login-attempts-for-username-or-ip-address" class="table-of-contents__link toc-highlight">toomanyrequests: too many failed login attempts for username or IP address</a></li><li><a href="#seeing-table-datahubmetadata_aspect-doesnt-exist-error-when-logging-in" class="table-of-contents__link toc-highlight">Seeing <code>Table &#39;datahub.metadata_aspect&#39; doesn&#39;t exist</code> error when logging in</a></li><li><a href="#ive-messed-up-my-docker-setup-how-do-i-start-from-scratch" class="table-of-contents__link toc-highlight">I&#39;ve messed up my docker setup. 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Why not?</a></li><li><a href="#ive-configured-oidc-but-i-cannot-login-i-get-continuously-redirected-what-do-i-do" class="table-of-contents__link toc-highlight">I&#39;ve configured OIDC, but I cannot login. I get continuously redirected. 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