Details
Minor Description
When executing rollback from a state that does not support rollback functionality UnsupportedOperationException is thrown. The Procedure framework does not handle this case specially and logs an ERROR message because it is caught as a Throwable.
This scenario should have a cleaner log message.
2020-04-08 20:57:10,137 ERROR org.apache.hadoop.hbase.procedure2.ProcedureExecutor: CODE-BUG: Uncaught runtime exception for pid=14791, state=FAILED:SERVER_CRASH_START, locked=true, exception=org.apache.hadoop.hbase.procedure2.ProcedureAbortedException via AssignProcedure:org.apache.hadoop.hbase.procedure2.ProcedureAbortedException: 6f48ff190e182c204056eb8b227ff6e8 owned by pid=9419, CANNOT run 'this' (pid=14797).; ServerCrashProcedure server=example.com,16020,1584086541944, splitWal=true, meta=false
java.lang.UnsupportedOperationException: unhandled state=SERVER_CRASH_GET_REGIONS
at org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.rollbackState(ServerCrashProcedure.java:265)
at org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.rollbackState(ServerCrashProcedure.java:59)
at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.rollback(StateMachineProcedure.java:208)
at org.apache.hadoop.hbase.procedure2.Procedure.doRollback(Procedure.java:982)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:1663)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecutor.java:1595)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1438)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$1200(ProcedureExecutor.java:78)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:2058)
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