qianmoQ commented on issue #8605: Failed to publish segments because of [java.lang.RuntimeException: Aborting transaction!]. URL: https://github.com/apache/incubator-druid/issues/8605#issuecomment-553303081 > Any way to reproduce this? Somehow encountered this issue and unable to reproduce. What I found out later was my exact datasource is unused (unable to persist into deep storage) > Using kafka index service, druid version 0.15.1 > > ``` > org.apache.druid.java.util.common.ISE: Failed to publish segments because of [java.lang.RuntimeException: Aborting transaction!]. > at org.apache.druid.segment.realtime.appenderator.BaseAppenderatorDriver.lambda$publishInBackground$8(BaseAppenderatorDriver.java:602) ~[druid-server-0.15.1-incubating.jar:0.15.1-incubating] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151] > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_151] > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_151] > at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151] > 2019-11-08T06:56:35,879 ERROR [publish-0] org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner - Error while publishing segments for sequenceNumber[SequenceMetadata{sequenceId=0, sequenceName='index_kafka_shop_stats_product_view_bef122043a00004_0', assignments=[], startOffsets={0=1015942}, exclusiveStartPartitions=[], endOffsets={0=1025942}, sentinel=false, checkpointed=true}] > org.apache.druid.java.util.common.ISE: Failed to publish segments because of [java.lang.RuntimeException: Aborting transaction!]. > at org.apache.druid.segment.realtime.appenderator.BaseAppenderatorDriver.lambda$publishInBackground$8(BaseAppenderatorDriver.java:602) ~[druid-server-0.15.1-incubating.jar:0.15.1-incubating] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151] > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_151] > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_151] > at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151] > ``` this is a bug, kafka index service generate Multiple tasks, However, when tasks were merged, multiple segments in the same group failed to be merged, and all the data of the current segment were lost
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