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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2020/09/02 17:08:34 UTC
[jira] [Commented] (BEAM-3274) MqttIO CheckpointMark decoding
randomly fails
[ https://issues.apache.org/jira/browse/BEAM-3274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189429#comment-17189429 ]
Beam JIRA Bot commented on BEAM-3274:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14 days. It is now automatically moved to P3. If you are still affected by it, you can comment and move it back to P2.
> MqttIO CheckpointMark decoding randomly fails
> ---------------------------------------------
>
> Key: BEAM-3274
> URL: https://issues.apache.org/jira/browse/BEAM-3274
> Project: Beam
> Issue Type: Bug
> Components: io-java-mqtt
> Affects Versions: 2.2.0
> Reporter: Jean-Baptiste Onofré
> Priority: P3
>
> Randomly, the decoding of MQTT CheckpointMark randomly fails:
> {code}
> Caused by: org.apache.beam.sdk.coders.CoderException: 95 unexpected extra bytes after decoding org.apache.beam.sdk.io.mqtt.MqttIO$MqttCheckpointMark@14922739
> at org.apache.beam.sdk.util.CoderUtils.decodeFromByteArray(CoderUtils.java:116)
> at org.apache.beam.sdk.util.CoderUtils.decodeFromByteArray(CoderUtils.java:107)
> at org.apache.beam.sdk.util.CoderUtils.clone(CoderUtils.java:156)
> at org.apache.beam.runners.direct.UnboundedReadEvaluatorFactory$UnboundedReadEvaluator.getReader(UnboundedReadEvaluatorFactory.java:191)
> at org.apache.beam.runners.direct.UnboundedReadEvaluatorFactory$UnboundedReadEvaluator.processElement(UnboundedReadEvaluatorFactory.java:127)
> at org.apache.beam.runners.direct.TransformExecutor.processElements(TransformExecutor.java:146)
> at org.apache.beam.runners.direct.TransformExecutor.run(TransformExecutor.java:110)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> It happens especially when the number of messages to consume from the MQTT topic is high.
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