[HBASE-21665] OfflineMetaRepair tool fails with NPE

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Won't Fix
• Affects Version/s: 2.1.0, 2.0.0
• Component/s: hbck
• Assignee: Pankaj Kumar
• Reporter: Pankaj Kumar
• Created: 02/Jan/19 11:38
• Updated: 21/Jul/21 14:25
• Resolved: 16/Jul/19 09:39

Description

OfflineMetaRepair fails with NPE, execute below command

hbase org.apache.hadoop.hbase.util.hbck.OfflineMetaRepair -fix

 

2019-01-02 16:22:56,387 INFO [main] regionserver.HRegion: Opened 1588230740; next sequenceid=28
2019-01-02 16:22:56,459 ERROR [main] hbck.OfflineMetaRepair: Bailed out due to: 
java.lang.NullPointerException
 at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.getOrMakeChunk(MemStoreLABImpl.java:335)
 at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.copyCellInto(MemStoreLABImpl.java:193)
 at org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.copyCellInto(MemStoreLABImpl.java:115)
 at org.apache.hadoop.hbase.regionserver.Segment.maybeCloneWithAllocator(Segment.java:183)
 at org.apache.hadoop.hbase.regionserver.AbstractMemStore.maybeCloneWithAllocator(AbstractMemStore.java:334)
 at org.apache.hadoop.hbase.regionserver.AbstractMemStore.doAdd(AbstractMemStore.java:157)
 at org.apache.hadoop.hbase.regionserver.AbstractMemStore.doAddOrUpsert(AbstractMemStore.java:147)
 at org.apache.hadoop.hbase.regionserver.AbstractMemStore.add(AbstractMemStore.java:117)
 at org.apache.hadoop.hbase.regionserver.AbstractMemStore.add(AbstractMemStore.java:111)
 at org.apache.hadoop.hbase.regionserver.HStore.add(HStore.java:750)
 at org.apache.hadoop.hbase.regionserver.HRegion.applyToMemStore(HRegion.java:4435)
 at org.apache.hadoop.hbase.regionserver.HRegion.access$500(HRegion.java:228)
 at org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.applyFamilyMapToMemStore(HRegion.java:3495)
 at org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.lambda$writeMiniBatchOperationsToMemStore$0(HRegion.java:3186)
 at org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.visitBatchOperations(HRegion.java:3119)
 at org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.writeMiniBatchOperationsToMemStore(HRegion.java:3178)
 at org.apache.hadoop.hbase.regionserver.HRegion$MutationBatchOperation.writeMiniBatchOperationsToMemStore(HRegion.java:3660)
 at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutate(HRegion.java:4073)
 at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:4006)
 at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3937)
 at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3928)
 at org.apache.hadoop.hbase.util.HBaseFsck.rebuildMeta(HBaseFsck.java:1665)
 at org.apache.hadoop.hbase.util.hbck.OfflineMetaRepair.main(OfflineMetaRepair.java:121)

Issue Links

• is related to: HBASE-22690 Deprecate / Remove OfflineMetaRepair in hbase-2+
• is related to: HBASE-21745 Make HBCK2 be able to fix issues other than region assignment
• supercedes: HBASE-22680 [HBCK2] OfflineMetaRepair for hbase2/hbck2