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https://issues.apache.org/jira/browse/NIFI-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16503885#comment-16503885
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ASF GitHub Bot commented on NIFI-5274:
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Github user mosermw commented on the issue:

    https://github.com/apache/nifi/pull/2767
  
    I'm not sure I understand what your suggestion is @joewitt.  Would you 
clarify for me?  Should I code it to catch StackOverflowError, which is the use 
case that I need to handle cleanly?
    The code pattern I used here has worked really well for me in custom 
processors to avoid yield/rollback on exceptions caused by flowfile content, 
while maintaining a desired yield/rollback on framework exceptions in other 
situations.


> ReplaceText can product StackOverflowError which causes admin yield
> -------------------------------------------------------------------
>
>                 Key: NIFI-5274
>                 URL: https://issues.apache.org/jira/browse/NIFI-5274
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.6.0
>            Reporter: Michael Moser
>            Assignee: Michael Moser
>            Priority: Major
>
> Regex Replace mode can easily produce StackOverflowError. Certain regular 
> expressions are implemented using recursion, which when used on large input 
> text can cause StackOverflowError.  This causes the ReplaceText processor to 
> rollback and admin yield, which causes the input flowfile to get stuck in the 
> input queue.
> We should be able to catch this condition and route the flowfile to failure.



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