You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "stack (Updated) (JIRA)" <ji...@apache.org> on 2011/12/10 07:15:44 UTC
[jira] [Updated] (HBASE-5003) If the master is started with a wrong
root dir, it gets stuck and can't be killed
[ https://issues.apache.org/jira/browse/HBASE-5003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-5003:
-------------------------
Labels: noob (was: )
> If the master is started with a wrong root dir, it gets stuck and can't be killed
> ---------------------------------------------------------------------------------
>
> Key: HBASE-5003
> URL: https://issues.apache.org/jira/browse/HBASE-5003
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Priority: Critical
> Labels: noob
> Fix For: 0.94.0, 0.92.1, 0.90.6
>
>
> Reported by a new user on IRC who tried to set hbase.rootdir to file:///~/hbase, the master gets stuck and cannot be killed. I tried something similar on my machine and it spins while logging:
> {quote}
> 2011-12-09 16:11:17,002 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> 2011-12-09 16:11:27,002 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> 2011-12-09 16:11:37,003 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> {quote}
> The reason it cannot be stopped is that the master's main thread is stuck in there and will never be notified:
> {quote}
> "Master:0;su-jdcryans-01.local,51116,1323475535684" prio=5 tid=7f92b7a3c000 nid=0x1137ba000 waiting on condition [1137b9000]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.apache.hadoop.hbase.util.FSUtils.setVersion(FSUtils.java:297)
> at org.apache.hadoop.hbase.util.FSUtils.setVersion(FSUtils.java:268)
> at org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:339)
> at org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:128)
> at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:113)
> at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:435)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:314)
> at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:218)
> at java.lang.Thread.run(Thread.java:680)
> {quote}
> It seems we should do a better handling of the exceptions we get in there, and die if we need to. It would make a better user experience.
> Maybe also do a check on hbase.rootdir before even starting the master.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira