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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/08/03 00:17:02 UTC
[jira] [Commented] (HBASE-4470) ServerNotRunningException coming
out of assignRootAndMeta kills the Master
[ https://issues.apache.org/jira/browse/HBASE-4470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427669#comment-13427669 ]
Hudson commented on HBASE-4470:
-------------------------------
Integrated in HBase-0.92 #483 (See [https://builds.apache.org/job/HBase-0.92/483/])
HBASE-4470 ServerNotRunningException coming out of assignRootAndMeta kills the Master (Gregory Chanan) (Revision 1368684)
Result = FAILURE
jmhsieh :
Files :
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
> ServerNotRunningException coming out of assignRootAndMeta kills the Master
> --------------------------------------------------------------------------
>
> Key: HBASE-4470
> URL: https://issues.apache.org/jira/browse/HBASE-4470
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Assignee: Gregory Chanan
> Priority: Critical
> Fix For: 0.90.7, 0.92.2, 0.96.0, 0.94.1
>
> Attachments: HBASE-4470-90.patch, HBASE-4470-v2-90.patch, HBASE-4470-v2-92_94.patch, HBASE-4470-v2-trunk.patch
>
>
> I'm surprised we still have issues like that and I didn't get a hit while googling so forgive me if there's already a jira about it.
> When the master starts it verifies the locations of root and meta before assigning them, if the server is started but not running you'll get this:
> {quote}
> 2011-09-23 04:47:44,859 WARN org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: RemoteException connecting to RS
> org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hbase.ipc.ServerNotRunningException: Server is not running yet
> at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1038)
> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:771)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257)
> at $Proxy6.getProtocolVersion(Unknown Source)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:419)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:393)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:444)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:349)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:969)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.getCachedConnection(CatalogTracker.java:388)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:287)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:484)
> at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:441)
> at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:388)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:282)
> {quote}
> I hit that 3-4 times this week while debugging something else. The worst is that when you restart the master it sees that as a failover, but none of the regions are assigned so it takes an eternity to get back fully online.
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