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https://issues.apache.org/jira/browse/SOLR-11880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334607#comment-16334607
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Shalin Shekhar Mangar commented on SOLR-11880:
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If we remove that exception then we're running blind. There would be no way to
get the stack trace of the submitter when an actual exception happens inside
the executor thread.
> Avoid creating new exceptions for every request made via
> MDCAwareThreadPoolExecutor
> -----------------------------------------------------------------------------------
>
> Key: SOLR-11880
> URL: https://issues.apache.org/jira/browse/SOLR-11880
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Priority: Minor
>
> MDCAwareThreadPoolExecutor has this line in it's{{{execute}} method
>
> {code:java}
> final Exception submitterStackTrace = new Exception("Submitter stack
> trace");{code}
> This means that every call via the a thread pool will create this exception,
> and only when it sees an error will it be used.
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