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https://issues.apache.org/jira/browse/HBASE-5594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235239#comment-13235239
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stack commented on HBASE-5594:
------------------------------
hmmm... maybe hbase-2464 is not same thing. Going to leave that one for now.
> Unable to stop a master that's waiting on -ROOT- during initialization
> ----------------------------------------------------------------------
>
> Key: HBASE-5594
> URL: https://issues.apache.org/jira/browse/HBASE-5594
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.1
> Reporter: Jean-Daniel Cryans
> Fix For: 0.96.0
>
>
> We just had a case where the master (that was just restarted) was having a
> hard time assigning -ROOT- (all the PRI handlers were full already) so we
> tried to shutdown the cluster and even though all the RS closed down properly
> the master kept running being blocked on:
> {noformat}
> "master-sv4r20s12,10302,1331916142866" prio=10 tid=0x00007f3708008800
> nid=0x4b20 in Object.wait() [0x00007f370d1d0000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000006030be3f8> (a
> org.apache.hadoop.hbase.zookeeper.RootRegionTracker)
> at java.lang.Object.wait(Object.java:485)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.blockUntilAvailable(ZooKeeperNodeTracker.java:131)
> - locked <0x00000006030be3f8> (a
> org.apache.hadoop.hbase.zookeeper.RootRegionTracker)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.blockUntilAvailable(ZooKeeperNodeTracker.java:104)
> - locked <0x00000006030be3f8> (a
> org.apache.hadoop.hbase.zookeeper.RootRegionTracker)
> at
> org.apache.hadoop.hbase.catalog.CatalogTracker.waitForRoot(CatalogTracker.java:313)
> at
> org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:571)
> at
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:501)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:336)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
> I haven't checked the 0.90 code, we got this on 0.92.1
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