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https://issues.apache.org/jira/browse/WICKET-2567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796557#action_12796557
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Peter Diefenthäler commented on WICKET-2567:
--------------------------------------------

When the application server starts its garbage collection, the open file 
handles vanish. The application doesn't fail but we had to adjust some memory 
parameters for the server. Our application will get more users in the future so 
we're not lucky with this leaks ...

> Images and stylesheets leave open file handles
> ----------------------------------------------
>
>                 Key: WICKET-2567
>                 URL: https://issues.apache.org/jira/browse/WICKET-2567
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.4.3
>         Environment: The problem exists on IBM WebSphere 6.1.0.19 running on 
> Windows 2003 Server
>            Reporter: Peter Diefenthäler
>            Assignee: Johan Compagner
>             Fix For: 1.4.4
>
>         Attachments: FhTest.war, Open File Handles on WebShpere for Wicket 
> Application.jpg
>
>
> Running Wicket applications on IBM WebSphere and Oracle BEA application 
> server result in a huge amount of open file handles for images and 
> stylesheets. Our customer has up to 700 open file handles up to 50 file 
> handles on the same stylesheet or image.
> The stylesheets are directly referenced in the HTML files:
> <html>
> <head>
> <title>PTS/A&amp;R Login</title>
> <link rel="stylesheet" type="text/css" href="styles/basicStyles.css" />
> or
> <html>
>       <wicket:head>
>               <link rel="stylesheet" type="text/css" 
> href="styles/genericMaint.css">
>       </wicket:head>
>       <body>
>       <wicket:extend>
>               <div wicket:id="genDetail"/>
>       </wicket:extend>
>       </body>
> </html>
> Sometimes the images are referenced within the stylesheets: 
> .mainLogo {
>       position: relative;
>       top: 0px;
>       left: 0px;
>       width: 188px;
>       height: 35px;
>       background-image: url(../images/AARLogo.png);
> }
> But in most cases we use the images directly in the HTML code.

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