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https://issues.apache.org/jira/browse/BEAM-10153?focusedWorklogId=447668&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-447668
]
ASF GitHub Bot logged work on BEAM-10153:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jun/20 07:25
Start Date: 18/Jun/20 07:25
Worklog Time Spent: 10m
Work Description: y1chi commented on pull request #12029:
URL: https://github.com/apache/beam/pull/12029#issuecomment-645833227
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Issue Time Tracking
-------------------
Worklog Id: (was: 447668)
Time Spent: 20m (was: 10m)
> Java SDK Harness throws NPE for VoidCoder as 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
> Priority: P2
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When using VoidCoder as the key coder, NullPointerException will be thrown
> for processing element.
> {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}
> This fails validate runner tests such as
> https://github.com/apache/beam/blob/03d99dfa359f44a29a772fcc8ec8b0a237cab113/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java#L4120
> on dataflow runner with beam_fn_api.
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