[HBASE-19939] TestSplitTableRegionProcedure#testSplitWithoutPONR() and testRecoveryAndDoubleExecution() are failing with NPE

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-beta-1
• Fix Version/s: 2.0.0-beta-2, 2.0.0
• Component/s: amv2
• Assignee: Umesh Agashe
• Reporter: Umesh Agashe
• Created: 05/Feb/18 20:07
• Updated: 01/Aug/18 06:22
• Resolved: 06/Feb/18 04:53

Description

Error is:

java.lang.AssertionError: found exception: java.lang.NullPointerException via CODE-BUG: Uncaught runtime exception: pid=154, state=RUNNABLE:SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS; SplitTableRegionProcedure table=testRecoveryAndDoubleExecution, parent=3d8d459ba395c2cf6b1e5c71aca92cfd, daughterA=c6531c10effa8e542159ab82a87bd75e, daughterB=ee34a9af88273b6c06e1a688fc50ed6e:java.lang.NullPointerException: 
	at org.apache.hadoop.hbase.master.assignment.TestSplitTableRegionProcedure.testRecoveryAndDoubleExecution(TestSplitTableRegionProcedure.java:411)

Exception from the output file:

2018-02-05 18:00:48,205 ERROR [PEWorker-1] procedure2.ProcedureExecutor(1480): CODE-BUG: Uncaught runtime exception: pid=19, state=RUNNABLE:SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS; SplitTableRegionProcedure table=testSplitWithoutPONR, parent=57114194fb486a3988b232bcf10eb177, daughterA=749aa83c03b8f7c6b642cd73c5b51e43, daughterB=a53ec69e8dd2cfa6c0be2b9a7eb271bb
java.lang.NullPointerException
	at org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure.splitStoreFiles(SplitTableRegionProcedure.java:617)
	at org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure.createDaughterRegions(SplitTableRegionProcedure.java:541)
	at org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure.executeFromState(SplitTableRegionProcedure.java:241)
	at org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure.executeFromState(SplitTableRegionProcedure.java:89)
	at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:180)
	at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:845)
	at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1455)
	at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1224)
	at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$800(ProcedureExecutor.java:78)
	at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1734)

Value of 'htd' is null as it is initialized in the constructor but when the object is deserialized its null.

 

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