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<meta name="description" content="The Apache Flink community released the third bugfix version of the Apache Flink 1.8 series.
This release includes 45 fixes and minor improvements for Flink 1.8.2. The list below includes a detailed list of all fixes and improvements.
We highly recommend all users to upgrade to Flink 1.8.3.
Updated Maven dependencies:
&lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-java&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-streaming-java_2.11&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-clients_2.11&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; You can find the binaries on the updated Downloads page.">
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<meta property="og:description" content="The Apache Flink community released the third bugfix version of the Apache Flink 1.8 series.
This release includes 45 fixes and minor improvements for Flink 1.8.2. The list below includes a detailed list of all fixes and improvements.
We highly recommend all users to upgrade to Flink 1.8.3.
Updated Maven dependencies:
&lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-java&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-streaming-java_2.11&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.flink&lt;/groupId&gt; &lt;artifactId&gt;flink-clients_2.11&lt;/artifactId&gt; &lt;version&gt;1.8.3&lt;/version&gt; &lt;/dependency&gt; You can find the binaries on the updated Downloads page." />
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<title>Apache Flink 1.8.3 Released | Apache Flink</title>
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<h1>
<a href="/2019/12/11/apache-flink-1.8.3-released/">Apache Flink 1.8.3 Released</a>
</h1>
December 11, 2019 -
Hequn Cheng
<p><p>The Apache Flink community released the third bugfix version of the Apache Flink 1.8 series.</p>
<p>This release includes 45 fixes and minor improvements for Flink 1.8.2. The list below includes a detailed list of all fixes and improvements.</p>
<p>We highly recommend all users to upgrade to Flink 1.8.3.</p>
<p>Updated Maven dependencies:</p>
<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-xml" data-lang="xml"><span class="line"><span class="cl"><span class="nt">&lt;dependency&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;groupId&gt;</span>org.apache.flink<span class="nt">&lt;/groupId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;artifactId&gt;</span>flink-java<span class="nt">&lt;/artifactId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;version&gt;</span>1.8.3<span class="nt">&lt;/version&gt;</span>
</span></span><span class="line"><span class="cl"><span class="nt">&lt;/dependency&gt;</span>
</span></span><span class="line"><span class="cl"><span class="nt">&lt;dependency&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;groupId&gt;</span>org.apache.flink<span class="nt">&lt;/groupId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;artifactId&gt;</span>flink-streaming-java_2.11<span class="nt">&lt;/artifactId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;version&gt;</span>1.8.3<span class="nt">&lt;/version&gt;</span>
</span></span><span class="line"><span class="cl"><span class="nt">&lt;/dependency&gt;</span>
</span></span><span class="line"><span class="cl"><span class="nt">&lt;dependency&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;groupId&gt;</span>org.apache.flink<span class="nt">&lt;/groupId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;artifactId&gt;</span>flink-clients_2.11<span class="nt">&lt;/artifactId&gt;</span>
</span></span><span class="line"><span class="cl"> <span class="nt">&lt;version&gt;</span>1.8.3<span class="nt">&lt;/version&gt;</span>
</span></span><span class="line"><span class="cl"><span class="nt">&lt;/dependency&gt;</span>
</span></span></code></pre></div><p>You can find the binaries on the updated <a href="/downloads.html">Downloads page</a>.</p>
<p>List of resolved issues:</p>
<h2> Sub-task
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13723'>FLINK-13723</a>] - Use liquid-c for faster doc generation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13724'>FLINK-13724</a>] - Remove unnecessary whitespace from the docs&#39; sidenav
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13725'>FLINK-13725</a>] - Use sassc for faster doc generation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13726'>FLINK-13726</a>] - Build docs with jekyll 4.0.0.pre.beta1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13791'>FLINK-13791</a>] - Speed up sidenav by using group_by
</li>
</ul>
<h2> Bug
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12342'>FLINK-12342</a>] - Yarn Resource Manager Acquires Too Many Containers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13184'>FLINK-13184</a>] - Starting a TaskExecutor blocks the YarnResourceManager&#39;s main thread
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13728'>FLINK-13728</a>] - Fix wrong closing tag order in sidenav
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13746'>FLINK-13746</a>] - Elasticsearch (v2.3.5) sink end-to-end test fails on Travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13749'>FLINK-13749</a>] - Make Flink client respect classloading policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13892'>FLINK-13892</a>] - HistoryServerTest failed on Travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13936'>FLINK-13936</a>] - NOTICE-binary is outdated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13966'>FLINK-13966</a>] - Jar sorting in collect_license_files.sh is locale dependent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13995'>FLINK-13995</a>] - Fix shading of the licence information of netty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13999'>FLINK-13999</a>] - Correct the documentation of MATCH_RECOGNIZE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14009'>FLINK-14009</a>] - Cron jobs broken due to verifying incorrect NOTICE-binary file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14010'>FLINK-14010</a>] - Dispatcher &amp; JobManagers don&#39;t give up leadership when AM is shut down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14043'>FLINK-14043</a>] - SavepointMigrationTestBase is super slow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14107'>FLINK-14107</a>] - Kinesis consumer record emitter deadlock under event time alignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14175'>FLINK-14175</a>] - Upgrade KPL version in flink-connector-kinesis to fix application OOM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14235'>FLINK-14235</a>] - Kafka010ProducerITCase&gt;KafkaProducerTestBase.testOneToOneAtLeastOnceCustomOperator fails on travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14315'>FLINK-14315</a>] - NPE with JobMaster.disconnectTaskManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14337'>FLINK-14337</a>] - HistoryServerTest.testHistoryServerIntegration failed on Travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14347'>FLINK-14347</a>] - YARNSessionFIFOITCase.checkForProhibitedLogContents found a log with prohibited string
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14370'>FLINK-14370</a>] - KafkaProducerAtLeastOnceITCase&gt;KafkaProducerTestBase.testOneToOneAtLeastOnceRegularSink fails on Travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14398'>FLINK-14398</a>] - Further split input unboxing code into separate methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14413'>FLINK-14413</a>] - shade-plugin ApacheNoticeResourceTransformer uses platform-dependent encoding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14434'>FLINK-14434</a>] - Dispatcher#createJobManagerRunner should not start JobManagerRunner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14562'>FLINK-14562</a>] - RMQSource leaves idle consumer after closing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14589'>FLINK-14589</a>] - Redundant slot requests with the same AllocationID leads to inconsistent slot table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-15036'>FLINK-15036</a>] - Container startup error will be handled out side of the YarnResourceManager&#39;s main thread
</li>
</ul>
<h2> Improvement
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12848'>FLINK-12848</a>] - Method equals() in RowTypeInfo should consider fieldsNames
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13729'>FLINK-13729</a>] - Update website generation dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13965'>FLINK-13965</a>] - Keep hasDeprecatedKeys and deprecatedKeys methods in ConfigOption and mark it with @Deprecated annotation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13967'>FLINK-13967</a>] - Generate full binary licensing via collect_license_files.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13968'>FLINK-13968</a>] - Add travis check for the correctness of the binary licensing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13991'>FLINK-13991</a>] - Add git exclusion for 1.9+ features to 1.8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14008'>FLINK-14008</a>] - Auto-generate binary licensing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14104'>FLINK-14104</a>] - Bump Jackson to 2.10.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14123'>FLINK-14123</a>] - Lower the default value of taskmanager.memory.fraction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14215'>FLINK-14215</a>] - Add Docs for TM and JM Environment Variable Setting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14334'>FLINK-14334</a>] - ElasticSearch docs refer to non-existent ExceptionUtils.containsThrowable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14639'>FLINK-14639</a>] - Fix the document of Metrics that has an error for `User Scope`
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14646'>FLINK-14646</a>] - Check non-null for key in KeyGroupStreamPartitioner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-14995'>FLINK-14995</a>] - Kinesis NOTICE is incorrect
</li>
</ul>
</p>
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