Xianghu Wang created HUDI-4122:
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Summary: 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
Yesterday, when we add more nodes to kafka cluster, some of our hudi tasks
failed due 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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