boyuanzz commented on pull request #13014:
URL: https://github.com/apache/beam/pull/13014#issuecomment-706412811
It seems like this change causes
`flink_runner_test.py::FlinkRunnerTestOptimized` fails on error message
like(it's taken from test_sdf case):
```
[grpc-default-executor-0] WARN
org.apache.beam.runners.jobsubmission.InMemoryJobService - Encountered
Unexpected Exception during validation
java.lang.RuntimeException: Failed to validate transform
((((ref_PCollection_PCollection_1/Read)+(ref_AppliedPTransform_Create/FlatMap(<lambda
at
core.py:2945>)_4))+(ref_AppliedPTransform_Create/MaybeReshuffle/Reshuffle/AddRandomKeys_7))+(ref_AppliedPTransform_Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/Map(reify_timestamps)_9))+(ref_PCollection_PCollection_4/Write)
at
org.apache.beam.runners.core.construction.graph.PipelineValidator.validateTransform(PipelineValidator.java:221)
at
org.apache.beam.runners.core.construction.graph.PipelineValidator.validateComponents(PipelineValidator.java:120)
at
org.apache.beam.runners.core.construction.graph.PipelineValidator.validate(PipelineValidator.java:100)
at
org.apache.beam.runners.jobsubmission.InMemoryJobService.run(InMemoryJobService.java:234)
at
org.apache.beam.model.jobmanagement.v1.JobServiceGrpc$MethodHandlers.invoke(JobServiceGrpc.java:961)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:172)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.PartialForwardingServerCallListener.onHalfClose(PartialForwardingServerCallListener.java:35)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.ForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:23)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:40)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.Contexts$ContextualizedServerCallListener.onHalfClose(Contexts.java:86)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:331)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:817)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.IllegalArgumentException: ExecutableStage
((((ref_PCollection_PCollection_1/Read)+(ref_AppliedPTransform_Create/FlatMap(<lambda
at
core.py:2945>)_4))+(ref_AppliedPTransform_Create/MaybeReshuffle/Reshuffle/AddRandomKeys_7))+(ref_AppliedPTransform_Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/Map(reify_timestamps)_9))+(ref_PCollection_PCollection_4/Write)
uses unknown output ref_PCollection_PCollection_4
at
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkArgument(Preconditions.java:440)
at
org.apache.beam.runners.core.construction.graph.PipelineValidator.validateExecutableStage(PipelineValidator.java:306)
at
org.apache.beam.runners.core.construction.graph.PipelineValidator.validateTransform(PipelineValidator.java:219)
... 16 more
```
How to reproduce:
```
./gradlew runners:flink:1.10:job-server:shadowJar
pytest
sdks/python/apache_beam/runners/portability/flink_runner_test.py::FlinkRunnerTestOptimized::test_sdf
--test-pipeline-options " --environment_type=LOOPBACK"
```
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