[
https://issues.apache.org/jira/browse/HBASE-13892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14583906#comment-14583906
]
Josh Elser commented on HBASE-13892:
------------------------------------
(also, thanks for the reviews, [~tedyu], [~ndimiduk] and [~enis]!)
> Scanner with all results filtered out results in NPE
> ----------------------------------------------------
>
> Key: HBASE-13892
> URL: https://issues.apache.org/jira/browse/HBASE-13892
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 1.1.0
> Reporter: Josh Elser
> Assignee: Josh Elser
> Priority: Critical
> Fix For: 2.0.0, 0.98.14, 1.0.2, 1.2.0, 1.1.1
>
> Attachments: HBASE-13892.patch
>
>
> Saw a failure during some testing with region_mover.rb
> {code}
> NativeException: java.lang.NullPointerException: null
> __ensure__ at /usr/hdp/current/hbase-master/bin/region_mover.rb:110
> isSuccessfulScan at /usr/hdp/current/hbase-master/bin/region_mover.rb:109
> isSuccessfulScan at /usr/hdp/current/hbase-master/bin/region_mover.rb:104
> unloadRegions at /usr/hdp/current/hbase-master/bin/region_mover.rb:328
> {code}
> To try to get a real stacktrace, I wrote a simple test. Turns out, it was
> really simple to just produce the NPE within ClientScanner.
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.hbase.client.ClientScanner.getResultsToAddToCache(ClientScanner.java:576)
> at
> org.apache.hadoop.hbase.client.ClientScanner.loadCache(ClientScanner.java:492)
> at
> org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:364)
> {code}
> Patch with fix and test incoming.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
