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<meta name="description" content="The Apache Flink community released the second bugfix version of the Apache Flink 1.8 series.
This release includes 23 fixes and minor improvements for Flink 1.8.1. The list below includes a detailed list of all fixes and improvements.
We highly recommend all users to upgrade to Flink 1.8.2.
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;1.8.2&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;1.8.2&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;1.8.2&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 second bugfix version of the Apache Flink 1.8 series.
This release includes 23 fixes and minor improvements for Flink 1.8.1. The list below includes a detailed list of all fixes and improvements.
We highly recommend all users to upgrade to Flink 1.8.2.
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;1.8.2&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;1.8.2&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;1.8.2&lt;/version&gt; &lt;/dependency&gt; You can find the binaries on the updated Downloads page." />
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<title>Apache Flink 1.8.2 Released | Apache Flink</title>
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<h1>
<a href="/2019/09/11/apache-flink-1.8.2-released/">Apache Flink 1.8.2 Released</a>
</h1>
September 11, 2019 -
Jark Wu
<a href="https://twitter.com/JarkWu">(@JarkWu)</a>
<p><p>The Apache Flink community released the second bugfix version of the Apache Flink 1.8 series.</p>
<p>This release includes 23 fixes and minor improvements for Flink 1.8.1. The list below includes a detailed list of all fixes and improvements.</p>
<p>We highly recommend all users to upgrade to Flink 1.8.2.</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>1.8.2<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>1.8.2<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>1.8.2<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> Bug
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13941'>FLINK-13941</a>] - Prevent data-loss by not cleaning up small part files from S3.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-9526'>FLINK-9526</a>] - BucketingSink end-to-end test failed on Travis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-10368'>FLINK-10368</a>] - &#39;Kerberized YARN on Docker test&#39; unstable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12319'>FLINK-12319</a>] - StackOverFlowError in cep.nfa.sharedbuffer.SharedBuffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12736'>FLINK-12736</a>] - ResourceManager may release TM with allocated slots
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12889'>FLINK-12889</a>] - Job keeps in FAILING state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13059'>FLINK-13059</a>] - Cassandra Connector leaks Semaphore on Exception; hangs on close
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13159'>FLINK-13159</a>] - java.lang.ClassNotFoundException when restore job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13367'>FLINK-13367</a>] - Make ClosureCleaner detect writeReplace serialization override
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13369'>FLINK-13369</a>] - Recursive closure cleaner ends up with stackOverflow in case of circular dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13394'>FLINK-13394</a>] - Use fallback unsafe secure MapR in nightly.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13484'>FLINK-13484</a>] - ConnectedComponents end-to-end test instable with NoResourceAvailableException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13499'>FLINK-13499</a>] - Remove dependency on MapR artifact repository
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13508'>FLINK-13508</a>] - CommonTestUtils#waitUntilCondition() may attempt to sleep with negative time
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13586'>FLINK-13586</a>] - Method ClosureCleaner.clean broke backward compatibility between 1.8.0 and 1.8.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13761'>FLINK-13761</a>] - `SplitStream` should be deprecated because `SplitJavaStream` is deprecated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13789'>FLINK-13789</a>] - Transactional Id Generation fails due to user code impacting formatting string
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13806'>FLINK-13806</a>] - Metric Fetcher floods the JM log with errors when TM is lost
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13807'>FLINK-13807</a>] - Flink-avro unit tests fails if the character encoding in the environment is not default to UTF-8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-13897'>FLINK-13897</a>] - OSS FS NOTICE file is placed in wrong directory
</li>
</ul>
<h2> Improvement
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12578'>FLINK-12578</a>] - Use secure URLs for Maven repositories
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12741'>FLINK-12741</a>] - Update docs about Kafka producer fault tolerance guarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-12749'>FLINK-12749</a>] - Add Flink Operations Playground documentation
</li>
</ul>
</p>
</article>
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