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https://issues.apache.org/jira/browse/HBASE-5798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254888#comment-13254888
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Jonathan Hsieh commented on HBASE-5798:
---------------------------------------
Returning empty array is valid. I dug a little into the master side as well --
it returns an empty array in the case where an invalid set of table names is
passed.
> NPE running hbck on 0.94 out of reportTablesInFlux
> --------------------------------------------------
>
> Key: HBASE-5798
> URL: https://issues.apache.org/jira/browse/HBASE-5798
> Project: HBase
> Issue Type: Bug
> Components: hbck
> Affects Versions: 0.94.0, 0.96.0
> Reporter: stack
> Assignee: Anoop Sam John
>
> Got this playing w/ hbck going against the 0.94RC:
> {code}
> 12/04/16 17:03:14 INFO util.HBaseFsck: getHTableDescriptors == tableNames =>
> []
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.util.HBaseFsck.reportTablesInFlux(HBaseFsck.java:553)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:344)
> at
> org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:380)
> at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:3033)
> {code}
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