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Posted to github@beam.apache.org by "ppawel (via GitHub)" <gi...@apache.org> on 2023/07/13 07:59:00 UTC
[GitHub] [beam] ppawel opened a new issue, #27485: [Bug]: NPE in JmsIO - this.consumer is null in advance()
ppawel opened a new issue, #27485:
URL: https://github.com/apache/beam/issues/27485
### What happened?
We have a streaming job in Google Cloud Dataflow using Apache Beam 2.48.0 which reads messages from JMS. The queue is a relatively low/moderate traffic queue (up to 10 msgs/s at a certain time of day, usually 1-2 msgs/s).
Several times a day we get the NPE below, usually it happens near the peak messagethroughput. It seems to impact consumption of messages because we need to restart the job, otherwise there are messages left in the queue unconsumed/unacked but I'm not 100% whether this is related to the NPE. We are separately investigating issue with not acking processed messages, could be related to something like #18857.
Stack trace:
```
org.apache.beam.sdk.util.UserCodeException: java.lang.RuntimeException: java.io.IOException: java.lang.NullPointerException: Cannot invoke "javax.jms.MessageConsumer.receiveNoWait()" because "this.consumer" is null
at org.apache.beam.sdk.util.UserCodeException.wrap(UserCodeException.java:39)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$DoFnInvoker.invokeProcessElement(Unknown Source)
at org.apache.beam.fn.harness.FnApiDoFnRunner.processElementForWindowObservingSizedElementAndRestriction(FnApiDoFnRunner.java:1096)
at org.apache.beam.fn.harness.FnApiDoFnRunner.access$1500(FnApiDoFnRunner.java:142)
at org.apache.beam.fn.harness.FnApiDoFnRunner$4.accept(FnApiDoFnRunner.java:656)
at org.apache.beam.fn.harness.FnApiDoFnRunner$4.accept(FnApiDoFnRunner.java:651)
at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:311)
at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:239)
at org.apache.beam.fn.harness.BeamFnDataReadRunner.forwardElementToConsumer(BeamFnDataReadRunner.java:213)
at org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.multiplexElements(BeamFnDataInboundObserver.java:158)
at org.apache.beam.fn.harness.control.ProcessBundleHandler.processBundle(ProcessBundleHandler.java:537)
at org.apache.beam.fn.harness.control.BeamFnControlClient.delegateOnInstructionRequestType(BeamFnControlClient.java:151)
at org.apache.beam.fn.harness.control.BeamFnControlClient$InboundObserver.lambda$onNext$0(BeamFnControlClient.java:116)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.beam.sdk.util.UnboundedScheduledExecutorService$ScheduledFutureTask.run(UnboundedScheduledExecutorService.java:163)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.RuntimeException: java.io.IOException: java.lang.NullPointerException: Cannot invoke "javax.jms.MessageConsumer.receiveNoWait()" because "this.consumer" is null
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$UnboundedSourceAsSDFRestrictionTracker.tryClaim(Read.java:898)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$UnboundedSourceAsSDFRestrictionTracker.tryClaim(Read.java:802)
at org.apache.beam.sdk.fn.splittabledofn.RestrictionTrackers$RestrictionTrackerObserver.tryClaim(RestrictionTrackers.java:59)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn.processElement(Read.java:552)
Caused by: java.io.IOException: java.lang.NullPointerException: Cannot invoke "javax.jms.MessageConsumer.receiveNoWait()" because "this.consumer" is null
at org.apache.beam.sdk.io.jms.JmsIO$UnboundedJmsReader.advance(JmsIO.java:575)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$UnboundedSourceAsSDFRestrictionTracker.tryClaim(Read.java:877)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$UnboundedSourceAsSDFRestrictionTracker.tryClaim(Read.java:802)
at org.apache.beam.sdk.fn.splittabledofn.RestrictionTrackers$RestrictionTrackerObserver.tryClaim(RestrictionTrackers.java:59)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn.processElement(Read.java:552)
at org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$DoFnInvoker.invokeProcessElement(Unknown Source)
at org.apache.beam.fn.harness.FnApiDoFnRunner.processElementForWindowObservingSizedElementAndRestriction(FnApiDoFnRunner.java:1096)
at org.apache.beam.fn.harness.FnApiDoFnRunner.access$1500(FnApiDoFnRunner.java:142)
at org.apache.beam.fn.harness.FnApiDoFnRunner$4.accept(FnApiDoFnRunner.java:656)
at org.apache.beam.fn.harness.FnApiDoFnRunner$4.accept(FnApiDoFnRunner.java:651)
at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:311)
at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:239)
at org.apache.beam.fn.harness.BeamFnDataReadRunner.forwardElementToConsumer(BeamFnDataReadRunner.java:213)
at org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.multiplexElements(BeamFnDataInboundObserver.java:158)
at org.apache.beam.fn.harness.control.ProcessBundleHandler.processBundle(ProcessBundleHandler.java:537)
at org.apache.beam.fn.harness.control.BeamFnControlClient.delegateOnInstructionRequestType(BeamFnControlClient.java:151)
at org.apache.beam.fn.harness.control.BeamFnControlClient$InboundObserver.lambda$onNext$0(BeamFnControlClient.java:116)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.beam.sdk.util.UnboundedScheduledExecutorService$ScheduledFutureTask.run(UnboundedScheduledExecutorService.java:163)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.NullPointerException: Cannot invoke "javax.jms.MessageConsumer.receiveNoWait()" because "this.consumer" is null
at org.apache.beam.sdk.io.jms.JmsIO$UnboundedJmsReader.advance(JmsIO.java:561)
... 22 more
```
### Issue Priority
Priority: 2 (default / most bugs should be filed as P2)
### Issue Components
- [ ] Component: Python SDK
- [X] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [ ] Component: IO connector
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
- [ ] Component: Samza Runner
- [ ] Component: Twister2 Runner
- [ ] Component: Hazelcast Jet Runner
- [ ] Component: Google Cloud Dataflow Runner
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Re: [I] [Bug]: NPE in JmsIO - this.consumer is null in advance() [beam]
Posted by "Abacn (via GitHub)" <gi...@apache.org>.
Abacn commented on issue #27485:
URL: https://github.com/apache/beam/issues/27485#issuecomment-4920213807
close as stale. This bug is going after JmsIO changes in past versions
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Re: [I] [Bug]: NPE in JmsIO - this.consumer is null in advance() [beam]
Posted by "Abacn (via GitHub)" <gi...@apache.org>.
Abacn closed issue #27485: [Bug]: NPE in JmsIO - this.consumer is null in advance()
URL: https://github.com/apache/beam/issues/27485
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