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https://issues.apache.org/jira/browse/HBASE-537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581107#action_12581107
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Jim Kellerman commented on HBASE-537:
-------------------------------------
Not only should the master wait, but the region servers as well. This would
suggest a common method in FSUtils.
> 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
> Reporter: stack
>
> 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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