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https://issues.apache.org/jira/browse/WW-3802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13276595#comment-13276595
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jagub zhang commented on WW-3802:
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About commons-fileupload-1.2.1.jar and commons-io-1.4.jar combination
Sorry, I make a mistake,
fileupload-1.2.2 and io-2.0 can also remove tmp files, if wait enough time.
> FileUploadInterceptor makes CGI Parameter temporary files
> ---------------------------------------------------------
>
> Key: WW-3802
> URL: https://issues.apache.org/jira/browse/WW-3802
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Affects Versions: 2.3.1.2
> Environment: JDK 1.6.0_31, Tomcat 7.0.25
> Reporter: macha64
> Assignee: Lukasz Lenart
> Priority: Minor
> Fix For: 2.3.5
>
> Attachments: JakartaMultiPartRequest.java.patch
>
>
> I uploaded file with cgi parameters.
> CGI parameter became a temporary file,
> and those files were not removed.
> FileUploadInterceptor makes not only upload file
> but also CGI Parameter temporary files.
> CGI Parameter temporary files are 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 files.
> [upload_47c7ddf7_136bf8a8b3b__8000_00000002.tmp]
> FOO
> [upload_47c7ddf7_136bf8a8b3b__8000_00000003.tmp]
> BAR
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