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https://issues.apache.org/jira/browse/WW-3801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256532#comment-13256532
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Lukasz Lenart commented on WW-3801:
-----------------------------------
Even if you used FilterDispatcher ? And please address one problem per issue,
it's much more easy to handle discussion and solution.
> FileUploadInterceptor does not clean up temporary files
> -------------------------------------------------------
>
> Key: WW-3801
> URL: https://issues.apache.org/jira/browse/WW-3801
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.2.3, 2.3.1.2
> Environment: JDK 1.6.0_31, Tomcat 7.0.25
> Reporter: macha64
> Priority: Minor
> Fix For: 2.3.4
>
>
> In WW-3490, it solved "clean up exception" issue.
> then clean up code went to FilterDispatcher.
> but FilterDispatcher is deprecated.
> I usually use StrutsPrepareAndExecuteFilter.
> in that case temporary file was not removed.
> I found another problem.
> I uploaded file with cgi parameters.
> cgi parameter became a temporary file,
> and those files were not removed.
> for example ...
> <form action="..." method="post" enctype="multipart/form-data">
> <input type="file" name="uploadFile" />
> <input type="text" name="data1" value="FOO"/>
> <input type="text" name="data2" value="BAR"/>
> </form>
> remained tmp file
> [upload_47c7ddf7_136bf8a8b3b__8000_00000002.tmp]
> FOO
> [upload_47c7ddf7_136bf8a8b3b__8000_00000003.tmp]
> BAR
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