[ https://issues.apache.org/jira/browse/HBASE-18475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HBASE-18475 started by Sean Busbey. ------------------------------------------- > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)