[jira] [Closed] (HUDI-4122) Fix NPE caused by adding kafka nodes

["Xianghu Wang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-4122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xianghu Wang closed HUDI-4122.
------------------------------
    Fix Version/s: 0.12.0
       Resolution: Fixed

Fixed via master : 2af98303d3881e5d1da7d2e08f904b18f8b79488

> Fix NPE caused by adding kafka nodes
> ------------------------------------
>
>                 Key: HUDI-4122
>                 URL: https://issues.apache.org/jira/browse/HUDI-4122
>             Project: Apache Hudi
>          Issue Type: Improvement
>          Components: deltastreamer
>            Reporter: Xianghu Wang
>            Assignee: Xianghu Wang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.12.0
>
>
> Yesterday, when we add more nodes to kafka cluster, some of our hudi tasks failed with a NPE as below:
> Caused by: java.lang.NullPointerException
> at org.apache.hudi.utilities.sources.helpers.KafkaOffsetGen.getNextOffsetRanges(KafkaOffsetGen.java:241)
> at org.apache.hudi.utilities.sources.JsonKafkaSource.fetchNewData(JsonKafkaSource.java:67)
> at org.apache.hudi.utilities.sources.Source.fetchNext(Source.java:76)
> at org.apache.hudi.utilities.deltastreamer.SourceFormatAdapter.fetchNewDataInAvroFormat(SourceFormatAdapter.java:63)
> at org.apache.hudi.utilities.deltastreamer.DeltaSync.readFromSource(DeltaSync.java:430)
> at org.apache.hudi.utilities.deltastreamer.DeltaSync.syncOnce(DeltaSync.java:283)
> at org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer$DeltaSyncService.lambda$startService$0(HoodieDeltaStreamer.java:641)



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