Kyle Weaver created BEAM-11570:
----------------------------------
Summary: 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
Assignee: Kyle Weaver
When running multiple jobs in local mode on the Flink 1.12 job server, pipeline
construction for subsequent jobs fails with the error below. This error was
caused by the addition of a new wrapper classloader to fix FLINK-16245.
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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