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From "Jochen Wiedmann (JIRA)" <>
Subject [jira] Resolved: (FILEUPLOAD-174) Java.Lang.OutOfMemoryError while trying to post huge data with enctype="multipart/form-data"
Date Tue, 02 Jun 2009 14:59:07 GMT


Jochen Wiedmann resolved FILEUPLOAD-174.

    Resolution: Invalid
      Assignee: Jochen Wiedmann

Commons FileUpload provides a streaming API, which allows to process an arbitrary number of
items with arbitrary size. The problem is obviously, that Struts in general or at least your
application in particular doesn't make use of that API. Please contact the Struts mailing

> Java.Lang.OutOfMemoryError while trying to post huge data with enctype="multipart/form-data"
> --------------------------------------------------------------------------------------------
>                 Key: FILEUPLOAD-174
>                 URL:
>             Project: Commons FileUpload
>          Issue Type: Bug
>    Affects Versions: 1.0 Final
>         Environment: Tomcat 5.0, JDK 1.4.2_09, SQLServer 2000, Struts 1.1, Spring 1.2.4
>            Reporter: Sambasiva Rao J
>            Assignee: Jochen Wiedmann
>            Priority: Critical
> 1: I am getting java.lang.OutOfMemoryError when the form in my jsp code is as below.

> <html:form action="/actnMpng" enctype="multipart/form-data" method ="post" > 
> -- JSP code ? containing very huge data (hidden parameters) with file upload attachment
facility (<html:file/>). 
> </html:form> 
> This is throwing OutOfMemoryError eventhough I am not attaching/uploading any files.
> 2:***  The same data is getting posted successfully if the form is submitted with out

> enctype="multipart/form-data" and without providing the attachment facility. 
> 3: Also if the data (number of items which are dynamic) is less, the form is not throwing
Out of memory exception even though we are submitting with enctype="multipart/form-data" with
file upload attachment fecility. 
> Please find the below log generated in Tomcat.
> 2009-06-02 16:51:42 StandardWrapperValve[action]: Servlet.service() for servlet action
threw exception
> java.lang.OutOfMemoryError
> plese let me know if anybody came across this problem. 

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