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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Work started: (HBASE-537) We no longer wait on hdfs to exit safe mode
Date Fri, 21 Mar 2008 19:55:24 GMT

     [ https://issues.apache.org/jira/browse/HBASE-537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Work on HBASE-537 started by Jim Kellerman.

> We no longer wait on hdfs to exit safe mode
> -------------------------------------------
>                 Key: HBASE-537
>                 URL: https://issues.apache.org/jira/browse/HBASE-537
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.1.0
>            Reporter: stack
>            Assignee: Jim Kellerman
>            Priority: Blocker
>             Fix For: 0.1.0
> We used wait on hdfs to exit safe mode before going on to startup hbase but this feature
is broken since we moved out of hadoop contrib.  Now when you try start with hdfs in safe
mode you get:
> {code}
> 08/03/21 04:39:56 FATAL hbase.HMaster: Not starting HMaster because:
> org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.dfs.SafeModeException: Cannot
create directory /hbase010. Name node is in safe mode.
> Safe mode will be turned off automatically.
>         at org.apache.hadoop.dfs.FSNamesystem.mkdirsInternal(FSNamesystem.java:1571)
>         at org.apache.hadoop.dfs.FSNamesystem.mkdirs(FSNamesystem.java:1559)
>         at org.apache.hadoop.dfs.NameNode.mkdirs(NameNode.java:422)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> {code}
> If you are lucky, it appears on STDOUT/ERR but may just be stuffed into logs and all
looks like its running properly.
> Noticed first by Lars George.

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