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https://issues.apache.org/jira/browse/FLINK-29835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17637161#comment-17637161
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Matthias Pohl commented on FLINK-29835:
---------------------------------------
[https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=43206&view=logs&j=af184cdd-c6d8-5084-0b69-7e9c67b35f7a&t=160c9ae5-96fd-516e-1c91-deb81f59292a&l=15424]
> NoClassDefFoundError in PulsarSourceUnorderedE2ECase
> ----------------------------------------------------
>
> Key: FLINK-29835
> URL: https://issues.apache.org/jira/browse/FLINK-29835
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Matthias Pohl
> Priority: Critical
> Labels: test-stability
> Attachments:
> PulsarSourceUnorderedE2ECase.testSavepoint.FileNotFoundException.log
>
>
> [This
> build|https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=42680&view=logs&j=87489130-75dc-54e4-1f45-80c30aa367a3&t=73da6d75-f30d-5d5a-acbe-487a9dcff678&l=16001]
> failed in {{PulsarSourceUnorderedE2ECase.testSavepoint}} due to some job
> timeout.
> The logs reveal {{{}NoClassDefFoundErrors{}}}:
> {code:java}
> 2022-11-14 15:36:59,696 WARN
> org.apache.pulsar.shade.org.asynchttpclient.DefaultAsyncHttpClient [] -
> Unexpected error on ChannelManager close
> java.lang.NoClassDefFoundError:
> org/apache/pulsar/shade/io/netty/util/concurrent/DefaultPromise$1
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:499)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.SingleThreadEventExecutor.ensureThreadStarted(SingleThreadEventExecutor.java:970)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.SingleThreadEventExecutor.shutdownGracefully(SingleThreadEventExecutor.java:661)
> ~[?:?]
> at
> org.apache.pulsar.shade.io.netty.util.concurrent.MultithreadEventExecutorGroup.shutdownGracefully(MultithreadEventExecutorGroup.java:163)
> ~[?:?]
> at
> org.apache.pulsar.shade.org.asynchttpclient.netty.channel.ChannelManager.close(ChannelManager.java:307)
> ~[?:?]
> at
> org.apache.pulsar.shade.org.asynchttpclient.DefaultAsyncHttpClient.close(DefaultAsyncHttpClient.java:120)
> ~[?:?]
> at
> org.apache.pulsar.client.admin.internal.http.AsyncHttpConnector.close(AsyncHttpConnector.java:346)
> ~[?:?]
> at
> org.apache.pulsar.client.admin.internal.PulsarAdminImpl.close(PulsarAdminImpl.java:490)
> ~[?:?]
> at
> org.apache.flink.connector.pulsar.source.enumerator.PulsarSourceEnumerator.close(PulsarSourceEnumerator.java:172)
> ~[?:?]
> at org.apache.flink.util.IOUtils.closeAll(IOUtils.java:255)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at
> org.apache.flink.runtime.source.coordinator.SourceCoordinator.close(SourceCoordinator.java:265)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.coordination.ComponentClosingUtils.lambda$closeAsyncWithTimeout$0(ComponentClosingUtils.java:76)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_342]
> Caused by: java.lang.ClassNotFoundException:
> org.apache.pulsar.shade.io.netty.util.concurrent.DefaultPromise$1
> at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
> ~[?:1.8.0_342]
> at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_342]
> at
> org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:67)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at
> org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:74)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at
> org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:51)
> ~[flink-dist-1.17-SNAPSHOT.jar:1.17-SNAPSHOT]
> at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_342]
> ... 16 more {code}
> Outdated:
> -The issue seems to be related to the BlobServer failing to provide some
> artifacts ({{{}java.io.FileNotFoundException{}}}) that consequently causes
> classes not being found.-
>
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