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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1798) UnsupportedOperationException throws from BaseResultIterators.getIterators
Date Wed, 01 Apr 2015 08:14:53 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390202#comment-14390202
] 

ASF GitHub Bot commented on PHOENIX-1798:
-----------------------------------------

GitHub user StormAll opened a pull request:

    https://github.com/apache/phoenix/pull/62

    PHOENIX-1798 change Collections.empytList() to Lists.newArrayList()

    This change related to PHOENIX-1798.
    If the select SQL query a lot of data, the issue will occur.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/StormAll/phoenix master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/phoenix/pull/62.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #62
    
----
commit e0db28e0bbd4588d209b65ac8d9525349e84e919
Author: Cen Qi <storm.cen.qi@gmail.com>
Date:   2015-04-01T07:55:29Z

    PHOENIX-1798 change Collections.empytList() to Lists.newArrayList()

----


> UnsupportedOperationException throws from BaseResultIterators.getIterators
> --------------------------------------------------------------------------
>
>                 Key: PHOENIX-1798
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1798
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.3.0
>            Reporter: Cen Qi
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> If there throw an StaleRegionBoundaryCacheException, concatIterators will be reassigned
by Collections.emptyList(). And then call the add method again, it will throw the UnsupportedOperationException.
> Exception in thread "main" org.apache.phoenix.exception.PhoenixIOException
>         at org.apache.phoenix.util.ServerUtil.parseServerException(ServerUtil.java:108)
>         at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:589)
>         at org.apache.phoenix.iterate.ConcatResultIterator.getIterators(ConcatResultIterator.java:50)
>         at org.apache.phoenix.iterate.ConcatResultIterator.currentIterator(ConcatResultIterator.java:97)
>         at org.apache.phoenix.iterate.ConcatResultIterator.next(ConcatResultIterator.java:117)
>         at org.apache.phoenix.iterate.BaseGroupedAggregatingResultIterator.next(BaseGroupedAggregatingResultIterator.java:64)
>         at org.apache.phoenix.iterate.UngroupedAggregatingResultIterator.next(UngroupedAggregatingResultIterator.java:39)
>         at org.apache.phoenix.jdbc.PhoenixResultSet.next(PhoenixResultSet.java:764)
>         at PhoenixDemo.main(PhoenixDemo.java:12)
> Caused by: java.lang.UnsupportedOperationException
>         at java.util.AbstractList.add(AbstractList.java:148)
>         at java.util.AbstractList.add(AbstractList.java:108)
>         at org.apache.phoenix.iterate.BaseResultIterators.getIterators(BaseResultIterators.java:535)
>         ... 7 more



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