[jira] [Assigned] (ACCUMULO-1628) NPE on deep copied dumped memory iterator

["Keith Turner (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ACCUMULO-1628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keith Turner reassigned ACCUMULO-1628:
--------------------------------------

    Assignee: Keith Turner

> NPE on deep copied dumped memory iterator
> -----------------------------------------
>
>                 Key: ACCUMULO-1628
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1628
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.4.0, 1.5.0
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>            Priority: Critical
>             Fix For: 1.5.2, 1.6.1, 1.7.0
>
>         Attachments: bpopp-ACCUMULO-1628.log
>
>
> Accumulo may dump memory while a scan is running and transparently switch iterators from memory to file.  If an iterator calls deepcopy after this happens, then seek will fail on the deep copy.
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.accumulo.server.tabletserver.InMemoryMap$MemoryDataSource.iterator(InMemoryMap.java:349)
> 	at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:163)
> {noformat}



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