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https://issues.apache.org/jira/browse/HBASE-14907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stack updated HBASE-14907:
--------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.0.0
Status: Resolved (was: Patch Available)
Pushed to master. Thanks for taking the time to look into the test failure
[~jingcheng...@intel.com]
> NPE of MobUtils.hasMobColumns in Build failed in Jenkins: HBase-Trunk_matrix
> » latest1.8,Hadoop #513
> ----------------------------------------------------------------------------------------------------
>
> Key: HBASE-14907
> URL: https://issues.apache.org/jira/browse/HBASE-14907
> Project: HBase
> Issue Type: Bug
> Components: mob
> Reporter: Jingcheng Du
> Assignee: Jingcheng Du
> Fix For: 2.0.0
>
> Attachments: HBASE-14907-V2.patch, HBASE-14907.patch
>
>
> NPE is thrown when rollback the failures of table creation.
> 1. Table is being created, get issues when creating fs layout.
> 2. Rollback this creation and trying to delete the data from fs. It tries to
> delete the mob dir and needs to ask HMaster about the HTableDescriptor, and
> at that time the table dir had been deleted and no HTableDescriptor can be
> found.
> The exception looks like:
> {noformat}
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.mob.MobUtils.hasMobColumns(MobUtils.java:851)
> at
> org.apache.hadoop.hbase.master.procedure.DeleteTableProcedure.deleteFromFs(DeleteTableProcedure.java:350)
> at
> org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.rollbackState(CreateTableProcedure.java:167)
> at
> org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.rollbackState(CreateTableProcedure.java:57)
> at
> org.apache.hadoop.hbase.procedure2.StateMachineProcedure.rollback(StateMachineProcedure.java:134)
> at
> org.apache.hadoop.hbase.procedure2.Procedure.doRollback(Procedure.java:467)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeRollback(ProcedureExecut
> {noformat}
> In this patch, it directly checks if the mob directory is existing instead of
> checking the HTableDescriptor.
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