Ujjawal Kumar created HBASE-28743:
-------------------------------------
Summary: Snapshot based mapreduce jobs fails with NPE while trying
to close mslab within mapper
Key: HBASE-28743
URL: https://issues.apache.org/jira/browse/HBASE-28743
Project: HBase
Issue Type: Bug
Components: snapshots
Reporter: Ujjawal Kumar
2024-07-11 10:20:38,800 WARN [main] client.ClientSideRegionScanner - Exception
while closing region
java.io.IOException: java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1808)
at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1557)
at
org.apache.hadoop.hbase.client.ClientSideRegionScanner.close(ClientSideRegionScanner.java:133)
at
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl$RecordReader.close(TableSnapshotInputFormatImpl.java:310)
at
org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat$TableSnapshotRegionRecordReader.close(TableSnapshotInputFormat.java:184)
at
org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.close(MapTask.java:536)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:804)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:348)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:178)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:172)
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.recycleChunks(MemStoreLABImpl.java:296)
at
org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.lambda$new$0(MemStoreLABImpl.java:109)
at org.apache.hadoop.hbase.nio.RefCnt.deallocate(RefCnt.java:95)
at
org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.handleRelease(AbstractReferenceCounted.java:86)
at
org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.release(AbstractReferenceCounted.java:76)
at org.apache.hadoop.hbase.nio.RefCnt.release(RefCnt.java:84)
at
org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.close(MemStoreLABImpl.java:269)
at org.apache.hadoop.hbase.regionserver.Segment.close(Segment.java:143)
at
org.apache.hadoop.hbase.regionserver.AbstractMemStore.close(AbstractMemStore.java:381)
at
org.apache.hadoop.hbase.regionserver.HStore.closeWithoutLock(HStore.java:723)
at org.apache.hadoop.hbase.regionserver.HStore.close(HStore.java:795)
at
org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:1786)
at
org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:1783)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
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