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From "Ray Holder (JIRA)" <>
Subject [jira] Commented: (TRINIDAD-978) Trininiad Jar file handles not being closed
Date Mon, 17 Mar 2008 05:31:28 GMT


Ray Holder commented on TRINIDAD-978:

In all the excitement, I seem to have ticked the patch available flag on this one.  Could
somebody reset that?  Or better yet, leave it alone and upload a patch, ;).


> Trininiad Jar file handles not being closed
> -------------------------------------------
>                 Key: TRINIDAD-978
>                 URL:
>             Project: MyFaces Trinidad
>          Issue Type: Bug
>    Affects Versions: 1.2.7-core
>         Environment: Tomcat 6.0.16 (also Jetty 6.1.7)
> Tomahawk-Sandbox 1.1.7-SNAPSHOT
> Tomahawk 1.1.6
> Trinidad 1.2.7-SNAPSHOT (also 1.2.1 has this same issue)
> JSF Sun RI 1.2 04 or MyFaces 1.2.2
> Facelets 1.1.14
> Java 6
> Linux Gentoo, Red Hat Enterprise
>            Reporter: Tomas Cerny
>            Priority: Blocker
> We have a large application built on Trinidad, we are very close to release,
> but our testing has found that Trinidad is not closing file handles after the request.
> Garbage collection correctly closes the handles but they build up too quickly to be
> efficiently garbage collected ( ~54 handles per page hit!). We believe that we have
> narrowed it down to the Trinidad servlet filter (org.apache.myfaces.trinidad.webapp.ResourceServlet)
> as we have performed tests that monitor open file handles on a single simple page in
complete isolation with and
> without Trinidad tags.  When the Trinidad servlet filter is enabled, we see the file
> handles being created but when it is removed from web.xml, the file handles are
> no longer being created.  After we reach the file handle limit then our entire
> application becomes unstable as we can no longer use anything that depends
> on opening file handles or named pipes.
> We came across this post but nothing that specifically addressed a fix for the issue
> in Trinidad:
> Here is a similar issue and fix when using MyFaces JSF:
> The file handle leak occurs with both Sun JSF RI 1.2 and MyFaces JSF 1.2.2.
> Specifically, the file handles are being created for trinidad-impl-1.2.7-SNAPSHOT.jar.
> This is a bad hack but I'll include it here because it does seem to actually work
> around the problem.  Load the application in your Web Server, ensuring that
> Trinidad has loaded it's libraries at least once and then remove the file system
> access to the offending trinidad-impl-1.2.7-SNAPSHOT.jar, preventing any file
> access at all.

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