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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2021/03/24 17:19:01 UTC
[jira] [Updated] (BEAM-11570) Flink 1.12 job server error: Trying
to access closed classloader.
[ https://issues.apache.org/jira/browse/BEAM-11570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Beam JIRA Bot updated BEAM-11570:
---------------------------------
Labels: portability-flink stale-P2 (was: portability-flink)
> Flink 1.12 job server error: Trying to access closed classloader.
> -----------------------------------------------------------------
>
> Key: BEAM-11570
> URL: https://issues.apache.org/jira/browse/BEAM-11570
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Kyle Weaver
> Priority: P2
> Labels: portability-flink, stale-P2
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> When running multiple jobs in local mode on the Flink 1.12 job server, pipeline construction for subsequent jobs fails with the error below. Classloader leakage is being detected by the wrapper classloader (see FLINK-16245).
> The classloader is probably being leaked by GRPC threads that we can't shut down cleanly.
> RuntimeError: java.lang.IllegalStateException: Trying to access closed classloader. Please check if you store classloaders directly or indirectly in static fields. If the stacktrace suggests that the leak occurs in a third party library and cannot be fixed immediately, you can disable this check with the configuration 'classloader.check-leaked-classloader'. at org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.ensureInner(FlinkUserCodeClassLoaders.java:161) at org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.loadClass(FlinkUserCodeClassLoaders.java:168) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.beam.sdk.options.PipelineOptionsFactory.findCallersClassName(PipelineOptionsFactory.java:418) at org.apache.beam.sdk.options.PipelineOptionsFactory.access$100(PipelineOptionsFactory.java:122) at org.apache.beam.sdk.options.PipelineOptionsFactory$Builder.<init>(PipelineOptionsFactory.java:212) at org.apache.beam.sdk.options.PipelineOptionsFactory$Builder.<init>(PipelineOptionsFactory.java:208) at org.apache.beam.sdk.options.PipelineOptionsFactory$Builder.<init>(PipelineOptionsFactory.java:199) at org.apache.beam.sdk.options.PipelineOptionsFactory.create(PipelineOptionsFactory.java:131) at org.apache.beam.sdk.Pipeline.create(Pipeline.java:146) at org.apache.beam.sdk.expansion.service.ExpansionService.expand(ExpansionService.java:394) at org.apache.beam.sdk.expansion.service.ExpansionService.expand(ExpansionService.java:491) at org.apache.beam.model.expansion.v1.ExpansionServiceGrpc$MethodHandlers.invoke(ExpansionServiceGrpc.java:232) at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:172) at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:331) at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:817) at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) at org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
> https://ci-beam.apache.org/job/beam_PreCommit_Python_PVR_Flink_Commit/1707/testReport/junit/apache_beam.runners.portability.flink_runner_test/FlinkRunnerTestStreaming/test_external_transform/
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