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https://issues.apache.org/jira/browse/HBASE-7401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13618166#comment-13618166
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Aleksandr Shulman commented on HBASE-7401:
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I am running into this issue as well. It looks like there is a patch available,
so maybe we should close the loop on this and get it in?
> Remove warning message about running 'hbase migrate'
> ----------------------------------------------------
>
> Key: HBASE-7401
> URL: https://issues.apache.org/jira/browse/HBASE-7401
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.3, 0.96.0
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Attachments: hbase-7401.patch
>
>
> I was switching version to 0.94 (from 0.95-SNAPSHOT) and got this message
> which refers to a program that does not exist.
> {code}
> org.apache.hadoop.hbase.util.FileSystemVersionException: File system needs to
> be upgraded. You have version null and I want version 7. Run the
> '${HBASE_HOME}/bin/hbase migrate' script.
> at org.apache.hadoop.hbase.util.FSUtils.checkVersion(FSUtils.java:324)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:352)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:128)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:113)
> at
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:505)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:362)
> at
> org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:226)
> at java.lang.Thread.run(Thread.java:662)
> {code}
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