Yichi Zhang created BEAM-10153:
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Summary: Java SDK Harness throws NPE for VoidCoder for key coder
Key: BEAM-10153
URL: https://issues.apache.org/jira/browse/BEAM-10153
Project: Beam
Issue Type: Bug
Components: sdk-java-harness
Reporter: Yichi Zhang
When using VoidCoder as the key coder, NullPointerException will be thrown for
accessing state.
{code:java}
java.lang.NullPointerException
at
org.apache.beam.model.fnexecution.v1.BeamFnApi$StateKey$BagUserState$Builder.setKey(BeamFnApi.java:39390)
at
org.apache.beam.fn.harness.state.FnApiStateAccessor.createBagUserStateKey(FnApiStateAccessor.java:444)
at
org.apache.beam.fn.harness.state.FnApiStateAccessor.bindValue(FnApiStateAccessor.java:195)
at
org.apache.beam.sdk.state.StateSpecs$ValueStateSpec.bind(StateSpecs.java:327)
at
org.apache.beam.sdk.state.StateSpecs$ValueStateSpec.bind(StateSpecs.java:317)
at
org.apache.beam.fn.harness.FnApiDoFnRunner$ProcessBundleContext.state(FnApiDoFnRunner.java:1432)
at
org.apache.beam.sdk.transforms.ParDoTest$TimerTests$TwoTimerTest$1$DoFnInvoker.invokeProcessElement(Unknown
Source)
at
org.apache.beam.fn.harness.FnApiDoFnRunner.processElementForParDo(FnApiDoFnRunner.java:740)
at
org.apache.beam.fn.harness.FnApiDoFnRunner.access$700(FnApiDoFnRunner.java:132)
at
org.apache.beam.fn.harness.FnApiDoFnRunner$Factory.lambda$createRunnerForPTransform$1(FnApiDoFnRunner.java:203)
at
org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:216)
at
org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:179)
at
org.apache.beam.fn.harness.BeamFnDataReadRunner.forwardElementToConsumer(BeamFnDataReadRunner.java:204)
at
org.apache.beam.fn.harness.data.QueueingBeamFnDataClient.drainAndBlock(QueueingBeamFnDataClient.java:106)
at
org.apache.beam.fn.harness.control.ProcessBundleHandler.processBundle(ProcessBundleHandler.java:295)
at
org.apache.beam.fn.harness.control.BeamFnControlClient.delegateOnInstructionRequestType(BeamFnControlClient.java:173)
at
org.apache.beam.fn.harness.control.BeamFnControlClient.lambda$processInstructionRequests$0(BeamFnControlClient.java:157)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{code}
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