[jira] [Commented] (ACCUMULO-4502) Called next when there is no top

["Ivan Bella (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-4502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851813#comment-15851813 ] 

Ivan Bella commented on ACCUMULO-4502:
--------------------------------------

I have not seen this occur in quite some time, nor have I been able to reproduce this issue.  I am leaning towards closing this as "cannot reproduce".  Thoughts?

> Called next when there is no top
> --------------------------------
>
>                 Key: ACCUMULO-4502
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4502
>             Project: Accumulo
>          Issue Type: Bug
>          Components: core, tserver
>    Affects Versions: 1.6.6
>            Reporter: Ivan Bella
>            Assignee: Ivan Bella
>             Fix For: 1.7.3, 1.8.2, 2.0.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> This happens very rarely but we have seen the following exception (pulled from a server running 1.6.4).  Looking at the code I believe this condition can still happen in 1.8.0:
> java.util.concurrent.ExecutionException: java.lang.IllegalStateException: Called next() when there is no top
> ...
> Caused by: java.lang.IllegalStateException: Called next() when there is no top
> HeapIterator.next(HeapIterator.java: 77)
> WrappingIterator.next(WrappingIterator.java: 96)
> MemKeyConversionIterator.next(InMemoryMap.java:162)
> SourceSwitchingIterator.readNext(SourceSwitchingIterator.java: 139)
> SourceSwitchingIterator.next(SourceSwitchingIterator.java: 123)
> PartialMutationSkippingIterator.consume(InMemoryMap.java:108)
> SkippingIterator.seek(SkippingIterator.java:43)



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