[jira] Commented: (UIMA-1945) convert recursive impl of CAS Copier to non-recursive to avoid out-of-stack space errors

["Thilo Goetz (JIRA)" <de...@uima.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-1945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12934454#action_12934454 ] 

Thilo Goetz commented on UIMA-1945:
-----------------------------------

Is this really necessary?  The code is not exactly transparent as it is, and it will just get more complicated if you turn the relatively straightforward recursion into an iteration.  Can't they just increase the stack size of the JVM?

> convert recursive impl of CAS Copier to non-recursive to avoid out-of-stack space errors
> ----------------------------------------------------------------------------------------
>
>                 Key: UIMA-1945
>                 URL: https://issues.apache.org/jira/browse/UIMA-1945
>             Project: UIMA
>          Issue Type: Improvement
>          Components: Core Java Framework
>            Reporter: Marshall Schor
>            Assignee: Marshall Schor
>             Fix For: 2.3.1SDK
>
>
> User has reported running out of stack space - traced to long UIMA list which was being copied using the CasCopier utility, which places two "calls" for each element of the list on the Java stack.
> Convert this to a non-recursion implementation.

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