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Posted to issues@hbase.apache.org by "Jonathan Hsieh (JIRA)" <ji...@apache.org> on 2012/12/13 16:38:13 UTC

[jira] [Commented] (HBASE-7344) subprocedure initialization fails with invalid znode data.

    [ https://issues.apache.org/jira/browse/HBASE-7344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13531109#comment-13531109 ] 

Jonathan Hsieh commented on HBASE-7344:
---------------------------------------

This makes taking a ss impossible until the timeout occurs.
                
> subprocedure initialization fails with invalid znode data.
> ----------------------------------------------------------
>
>                 Key: HBASE-7344
>                 URL: https://issues.apache.org/jira/browse/HBASE-7344
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>
> Sometimes snapshots subprocedures fail to start on RS because data read from ZK is bad.  
> {code}
> 2012-12-13 07:22:55,238 ERROR org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs: Illegal argument exception
> java.lang.IllegalArgumentException: Could not read snapshot information from request.
>         at org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager$SnapshotSubprocedureBuilder.buildSubprocedure(RegionServerSnapsh
> otManager.java:284)
>         at org.apache.hadoop.hbase.procedure.ProcedureMember.createSubprocedure(ProcedureMember.java:98)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:199)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:167)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$1(ZKProcedureMemberRpcs.java:150)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:106)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:303)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> 2012-12-13 07:22:55,239 ERROR org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs: Failed due to null subprocedure
> Local ForeignThreadException from null
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:203)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:167)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$1(ZKProcedureMemberRpcs.java:150)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:106)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:303)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> Caused by: java.lang.IllegalArgumentException: Could not read snapshot information from request.
>         at org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager$SnapshotSubprocedureBuilder.buildSubprocedure(RegionServerSnapshotManager.java:284)
>         at org.apache.hadoop.hbase.procedure.ProcedureMember.createSubprocedure(ProcedureMember.java:98)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:199)
>         ... 6 more
> 2012-12-13 07:22:55,239 ERROR org.apache.zookeeper.ClientCnxn: Error while calling watcher 
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.sendMemberAborted(ZKProcedureMemberRpcs.java:266)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:203)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:167)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$1(ZKProcedureMemberRpcs.java:150)
>         at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:106)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:303)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> {code}

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