Sean Busbey created HBASE-18475:
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Summary: MasterProcedureScheduler incorrectly passes null
Procedure to table locking
Key: HBASE-18475
URL: https://issues.apache.org/jira/browse/HBASE-18475
Project: HBase
Issue Type: Bug
Components: proc-v2
Reporter: Sean Busbey
Assignee: Sean Busbey
Occasionally I get a series of these in tests during shutdown
{code}
2017-07-27 16:24:26,774 DEBUG
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=37201]
master.MasterRpcServices(1011): Checking to see if procedure is done procId=506
2017-07-27 16:24:26,777 INFO [main] client.HBaseAdmin$TableFuture(3591):
Operation: CREATE, Table Name: default:foo failed with foo
2017-07-27 16:24:26,782 INFO
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=37201]
master.HMaster$4(1755): Client=jenkins//172.26.21.67 create 'foo', {NAME =>
'family_1', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false',
KEEP_DELETED_CELLS => 'FALSE', CACHE_DATA_ON_WRITE => 'false',
DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', MIN_VERSIONS => '0',
REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', CACHE_INDEX_ON_WRITE =>
'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_WRITE => 'false',
PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NONE', CACHE_DATA_IN_L1 =>
'false', BLOCKCACHE => 'true', BLOCKSIZE => '65536'}
2017-07-27 16:24:26,884 DEBUG
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=37201]
procedure2.ProcedureExecutor(792): Stored pid=507,
state=RUNNABLE:CREATE_TABLE_PRE_OPERATION; CreateTableProcedure table=foo
2017-07-27 16:24:26,887 DEBUG
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=37201]
master.MasterRpcServices(1011): Checking to see if procedure is done procId=507
2017-07-27 16:24:26,890 INFO [ProcExecWrkr-5]
procedure2.ProcedureExecutor(1261): Rolled back pid=507, state=ROLLEDBACK,
exception=org.apache.hadoop.hbase.TableExistsException via
master-create-table:org.apache.hadoop.hbase.TableExistsException: foo;
CreateTableProcedure table=foo exec-time=106msec
2017-07-27 16:24:26,890 WARN [ProcExecWrkr-5]
procedure2.ProcedureExecutor$WorkerThread(1668): Worker terminating UNNATURALLY
null
java.lang.NullPointerException
at
org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.requireTableExclusiveLock(MasterProcedureScheduler.java:590)
at
org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.access$300(MasterProcedureScheduler.java:106)
at
org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler$TableQueue.requireExclusiveLock(MasterProcedureScheduler.java:582)
at
org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.doPoll(MasterProcedureScheduler.java:215)
at
org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.dequeue(MasterProcedureScheduler.java:203)
at
org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler.poll(AbstractProcedureScheduler.java:145)
at
org.apache.hadoop.hbase.procedure2.AbstractProcedureScheduler.poll(AbstractProcedureScheduler.java:119)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1641)
2017-07-27 16:24:26,890 DEBUG [ProcExecWrkr-5]
procedure2.ProcedureExecutor$WorkerThread(1670): Worker terminated.
{code}
Eventually all the workers are done.
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