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From "Philip Luppens (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-3786) StrutsPrepareAndExecuteFilter.doFilter() - Takes up to 60 seconds for certain cases
Date Mon, 29 Oct 2012 13:50:12 GMT

    [ https://issues.apache.org/jira/browse/WW-3786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486017#comment-13486017
] 

Philip Luppens commented on WW-3786:
------------------------------------

I doubt this is still relevant, but I'll comment regardless since we've seen similar issues.
Obviously, the New Relic transaction overview is not drilling deep enough, since the filter()
method encompasses the entire request processing.

If you were to look deeper, you'd probably find that a) you're either doing something wrong
in your code (eg. inefficient SQL, non-parallel calls to resources, ...) or, b) you're encountering
a lot of blocked threads that are timing out (hence the value so close to 60 seconds - that
looks like a timeout) on some OGNL methods or resource bundle handling. I suggest adding a
profiler and having a look at the blocking of threads.

If you're on 2.1.8, you might want to a) upgrade to a later version, or b) apply the patch
that was provided to resolve the several blocking threads in the OGNL runtime. We've had similar
issues, and applying the OGNL patches and backporting the locking of the resource bundles
improvements made a massive difference in the processing time of our calls.
                
> StrutsPrepareAndExecuteFilter.doFilter() - Takes up to 60 seconds for certain cases
> -----------------------------------------------------------------------------------
>
>                 Key: WW-3786
>                 URL: https://issues.apache.org/jira/browse/WW-3786
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Dispatch Filter
>    Affects Versions: 2.1.8
>         Environment: RHEL + Tomcat with Struts 2.1.8 and Spring 3.x
>            Reporter: Black Pearl
>              Labels: StrutsPrepareAndExecuteFilter, struts,, struts2,
>             Fix For: 2.3.7
>
>         Attachments: ASF.LICENSE.NOT.GRANTED--screenshot-web trasaction trace.jpg
>
>
> Hi Struts Team...
> We use New Relic - a software which kinds of breaks down every web transaction. While
monitoring the transactions taking longest time, we came across multiple actions with a single
issue where 99% of the time is attributed to this filter call.
> Here is how we have configured the web.xml
> ...
> 	<filter>
> 		<filter-name>struts</filter-name>
> 		<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
> 		 <init-param>
>         	<param-name>disableActionScanning</param-name>
>         	<param-value>true</param-value>        	
>         </init-param>
>         <init-param>
>         	<param-name>actionPackages</param-name>
>         	<param-value>com.xxx.application.webapp.*</param-value>
>         </init-param>
> 	</filter>
> 	<filter-mapping>
> 		<filter-name>struts</filter-name>
> 		<url-pattern>/*</url-pattern>
> 	</filter-mapping>
> ...
> Let me know if you all need any more information to help me out on this.
> Thanks,
> BP.

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