[jira] Commented: (UIMA-1938) Modify UIMA AS Primitive Service to optionally dump JVM stack if process() method takes too long

["Marshall Schor (JIRA)" <de...@uima.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931605#action_12931605 ] 

Marshall Schor commented on UIMA-1938:
--------------------------------------

When running Java 6, using http://download.oracle.com/javase/6/docs/api/java/lang/management/ThreadMXBean.html might be more "portable" and could also be used to find deadlocks, I think.

> Modify UIMA AS Primitive Service to optionally dump JVM stack if process() method takes too long
> ------------------------------------------------------------------------------------------------
>
>                 Key: UIMA-1938
>                 URL: https://issues.apache.org/jira/browse/UIMA-1938
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>            Priority: Minor
>             Fix For: 2.3.1AS
>
>
> Add instrumentation to the UIMA AS Primitive service that will force JVM Stack dump if AE takes too long to process a CAS. Enable the instrumentation via -D variable. This enhancement may prove useful when debugging user code. 

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