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Posted to issues@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2013/06/21 15:10:20 UTC
[jira] [Created] (HBASE-8783)
RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong
server name
Matteo Bertozzi created HBASE-8783:
--------------------------------------
Summary: RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server name
Key: HBASE-8783
URL: https://issues.apache.org/jira/browse/HBASE-8783
Project: HBase
Issue Type: Bug
Components: snapshots
Affects Versions: 0.95.1, 0.94.8
Reporter: Matteo Bertozzi
Assignee: Matteo Bertozzi
Priority: Minor
Fix For: 0.95.2, 0.94.9
Attachments: HBASE-8783-0.94-v0.patch
The ZKProcedureMemberRpcs of the RegionServerSnapshotManager may be initialized with the wrong memberName.
{code}
2013-06-21 05:03:41,732 DEBUG org.apache.hadoop.hbase.regionserver.HRegionServer: Initialize Snapshot Manager
...
2013-06-21 05:03:41,875 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Master passed us hostname to use. Was=0.0.0.0, Now=srv-5.test.cloudera.com
{code}
The Region Server Name is used as memberName, but since the snapshot manger is initialized before the RS receives the server name used by the master, the zkprocedure will use the wrong name (0.0.0.0).
This will case the snapshot to fail with a TimeoutException since the master will not receive the expected RS
{code}
Master:
ZKProcedureCoordinatorRpcs: Watching for acquire node:/hbase/online-snapshot/acquired/foo23/srv-5.test.cloudera.com,60020,1371813451915
RS:
ZKProcedureMemberRpcs: Member: '0.0.0.0,60020,1371814996779' joining acquired barrier for procedure (foo23) in zk
...
org.apache.hadoop.hbase.errorhandling.TimeoutException: Timeout elapsed! Source:Timeout caused Foreign Exception Start:1371798732141, End:1371798792141, diff:60000, max:60000 ms
{code}
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