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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/01/19 22:50:59 UTC
[jira] Commented: (HBASE-1129) Master won't go down; stuck joined
on rootScanner
[ https://issues.apache.org/jira/browse/HBASE-1129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665246#action_12665246 ]
stack commented on HBASE-1129:
------------------------------
+1
Should this be in 0.19.1? +1 if you think so.
> Master won't go down; stuck joined on rootScanner
> -------------------------------------------------
>
> Key: HBASE-1129
> URL: https://issues.apache.org/jira/browse/HBASE-1129
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: Jim Kellerman
> Fix For: 0.20.0
>
> Attachments: 1129.patch
>
>
> Here are the problem threads:
> {code}
> "RegionManager.rootScanner" daemon prio=10 tid=0x00000000404a4800 nid=0x4d57 runnable [0x0000000042014000..0x0000000042014a80]
> java.lang.Thread.State: RUNNABLE
> at org.apache.hadoop.hbase.Chore.run(Chore.java:58)
> "HMaster" prio=10 tid=0x0000000040644800 nid=0x4d56 in Object.wait() [0x00000000415a4000..0x00000000415a4d00]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00007fd8975d00c0> (a org.apache.hadoop.hbase.master.RootScanner)
> at java.lang.Thread.join(Thread.java:1143)
> - locked <0x00007fd8975d00c0> (a org.apache.hadoop.hbase.master.RootScanner)
> at java.lang.Thread.join(Thread.java:1196)
> at org.apache.hadoop.hbase.master.RegionManager.stop(RegionManager.java:481)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:388)
> {code}
> Here is code at #58 in Chore:
> {code}
> public void run() {
> try {
> while (!initialChore()) {
> this.sleeper.sleep();
> }
> ...
> {code}
> Looks like we sleep for ever.
> Have to kill master.
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