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https://issues.apache.org/jira/browse/HBASE-14240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14701721#comment-14701721
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Matteo Bertozzi commented on HBASE-14240:
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the warn is not from a 98 to 1.1 restart. but from a 1.1 to a 1.1 restart.
if you look at the first piece of log i posted you see that at 00:26:15,093
you have the first 0.98 to 1.1 clean start.
then at 00:34:44 that master is not cleanly shutdown and at 00:42:59 you have
the second 1.1 startup that has the warn about the wal not closed properly
> Unactionable WARN messages in wal.ProcedureWALFormatReader
> ----------------------------------------------------------
>
> Key: HBASE-14240
> URL: https://issues.apache.org/jira/browse/HBASE-14240
> Project: HBase
> Issue Type: Bug
> Components: master, proc-v2
> Affects Versions: 1.1.2
> Reporter: Nick Dimiduk
> Priority: Minor
> Attachments: ndimiduk-rc-dist-1.tgz
>
>
> While testing 1.1.2RC0, I notice the following messages in my master log.
> {noformat}
> 2015-08-18 00:42:59,646 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> procedure2.ProcedureExecutor: Starting procedure executor threads=5
> 2015-08-18 00:42:59,647 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Starting WAL Procedure Store lease recovery
> 2015-08-18 00:42:59,652 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> util.FSHDFSUtils: Recovering lease on dfs file
> hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log
> 2015-08-18 00:42:59,664 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> util.FSHDFSUtils: recoverLease=true, attempt=0 on
> file=hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log
> after 10ms
> 2015-08-18 00:42:59,665 DEBUG [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Opening state-log:
> FileStatus{path=hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log;
> isDirectory=false; length=9; replication=3; blocksize=134217728;
> modification_time=1439858084806; access_time=1439857575101; owner=hbase;
> group=hdfs; permission=rw-r--r--; isSymlink=false}
> 2015-08-18 00:42:59,676 WARN [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Unable to read tracker for
> hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log
> - Missing trailer: size=9 startPos=9
> 2015-08-18 00:42:59,703 DEBUG [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Roll new state log: 2
> 2015-08-18 00:42:59,705 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Lease acquired for flushLogId: 2
> 2015-08-18 00:42:59,711 WARN [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.ProcedureWALFormatReader: nothing left to decode. exiting with missing EOF
> 2015-08-18 00:42:59,711 INFO [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.ProcedureWALFormatReader: No active entry found in state log
> hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log.
> removing it
> 2015-08-18 00:42:59,711 DEBUG [ndimiduk-rc-dist-1:60000.activeMasterManager]
> wal.WALProcedureStore: Remove log:
> hdfs://ndimiduk-rc-dist-1.openstacklocal:8020/apps/hbase/data/MasterProcWALs/state-00000000000000000001.log
> {noformat}
> These log lines are raised immediately after performing an in-place master
> upgrade from 0.98.0. Master initialized successfully and with no further
> errors.
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