[jboss-jira] [JBoss JIRA] (JBWEB-276) Using non-blocking thread pool causes excessive RejectedExecutionExceptions to be logged

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/JBWEB-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800460#comment-12800460 ] 

RH Bugzilla Integration commented on JBWEB-276:
-----------------------------------------------

James Livingston <jlivings at redhat.com> changed the Status of [bug 985191|https://bugzilla.redhat.com/show_bug.cgi?id=985191] from NEW to MODIFIED
                
> Using non-blocking thread pool causes excessive RejectedExecutionExceptions to be logged
> ----------------------------------------------------------------------------------------
>
>                 Key: JBWEB-276
>                 URL: https://issues.jboss.org/browse/JBWEB-276
>             Project: JBoss Web
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>    Affects Versions: JBossWeb-7.2.0.Beta1
>            Reporter: James Livingston
>            Assignee: Remy Maucherat
>         Attachments: JBWEB-276-1.patch, JBWEB-276-2.patch
>
>
> When a finite-queue thread pool is used to process web requests, the queue being full can either block or drop the request. If you use a pool which drops requests, a RejectedExecutionException is thrown.
> Currently JIoEndpoint catches that exception the same as other ones such as being unable to create threads. When using a non-blocking pool, the task being rejected is not a critical error like other exceptions so should not be logged at ERROR level.
> Under excessive load, these exception will be continuously generated as requests are dropped, which cases a large amount of logging. Setting it to DEBUG level would stop that, but it would hide the potentially useful messages by default.

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