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https://issues.apache.org/jira/browse/UIMA-6296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233384#comment-17233384
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Richard Eckart de Castilho commented on UIMA-6296:
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The state after the moveTo operation consistent with the initialization of the 
iterator. So there seems to be a difference between the seek operation done by 
SelectFS/Subiterator when positioning the iterator initially and when 
performing a moveTo operation causing this unexpected effect. So it seems 
desirable that a moveTo operator on an fsIterator obtained via SelectFS should 
be consistent with the positioning rules and boundary conditions of the 
SelectFS.

> SelectFS fsIterator may yield different result set than asList
> --------------------------------------------------------------
>
>                 Key: UIMA-6296
>                 URL: https://issues.apache.org/jira/browse/UIMA-6296
>             Project: UIMA
>          Issue Type: Bug
>          Components: Core Java Framework
>            Reporter: Richard Eckart de Castilho
>            Assignee: Richard Eckart de Castilho
>            Priority: Major
>             Fix For: 3.2.0SDK
>
>         Attachments: Screenshot 2020-11-17 at 08.05.09.png, Screenshot 
> 2020-11-17 at 08.06.03.png
>
>
> SelectFS fsIterator may yield different result set than asList when 
> collecting results through forward or backward iteration through the 
> iterator. The randomized tests should be extended to check that fsIterator 
> behavior is aligned with asList behavior and with the general annotation 
> predicate matrix.



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