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https://issues.apache.org/jira/browse/HBASE-10638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-10638:
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Attachment: 10638-v1.txt
> Improve error message when there is no region server available for move
> -----------------------------------------------------------------------
>
> Key: HBASE-10638
> URL: https://issues.apache.org/jira/browse/HBASE-10638
> Project: HBase
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 10638-v1.txt
>
>
> When there is no region server available to move regions to, we would see:
> {code}
> Valid region move targets:
> TypeError: can't convert nil into String
> __for__ at /usr/lib/hbase/bin/region_mover.rb:336
> call at org/jruby/RubyProc.java:270
> call at org/jruby/RubyProc.java:220
> each at
> file:/usr/lib/hbase/lib/jruby-complete-1.6.5.jar!/builtin/java/java.util.rb:7
> unloadRegions at /usr/lib/hbase/bin/region_mover.rb:333
> (root) at /usr/lib/hbase/bin/region_mover.rb:471
> {code}
> Better error message / exit code should be provided.
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