[jira] Resolved: (HBASE-951) Either shut down master or let it finish cleanup

["Jim Kellerman (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jim Kellerman resolved HBASE-951.
---------------------------------

    Resolution: Fixed

Committed.

> Either shut down master or let it finish cleanup
> ------------------------------------------------
>
>                 Key: HBASE-951
>                 URL: https://issues.apache.org/jira/browse/HBASE-951
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>             Fix For: 0.19.0
>
>
> When HMaster is called from the command line, don't try to issue a shutdown request if it is already in the process of shutting down.
> The problem is that HBaseAdmin is trying to connect to the master, and the master has already shut down its server
> threads, so it cannot respond to the HBaseAdmin.shutdown() request. 
> It is harmless with respect to data retention/loss, but obviously annoying from the user's point of view.
> HBaseAdmin trys to contact the master for HMaster -stop, but if the 
> master is already shutting down, HBaseAdmin does not know that and keeps retrying as follows:
> {code}
> org.apache.hadoop.hbase.MasterNotRunningException: content-repo.cluster.powerset.com:60000
>         at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:221)
>         at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:67)
>         at org.apache.hadoop.hbase.master.HMaster.doMain(HMaster.java:799)
>         at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:818)
> 2008-10-21 18:23:35,827 INFO org.apache.hadoop.hbase.master.HMaster: Waiting for dfs to exit safe mode...
> 2008-10-21 18:23:45,847 INFO org.apache.hadoop.hbase.master.HMaster: Waiting for dfs to exit safe mode...
> 2008-10-21 18:23:55,858 INFO org.apache.hadoop.hbase.master.HMaster: Waiting for dfs to exit safe mode...
> {code}

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