problem with submission while using openSTA(performancetool)

> Hi all,
> while running our project on openSTA (performancetest) xforms-server-
> submit.xpl throws StringIndexOutofBoundException: index2. in  
> Browserconsole.
> If we run it normally(without using openSTA) it works fine.
>
> On tomcatconsole it shows error likes this:
>
> 08:59:24,160 ERROR : Servlet.service() for servlet MainServlet threw  
> exception
> java.lang.IndexOutOfBoundsException
>         at  
> java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:88)
>         at  
> com.liferay.util.servlet.fileupload.LiferayInputStream.read(LiferayIn
> putStream.java:73)
>         at  
> org.apache.commons.fileupload.MultipartStream.readByte(MultipartStrea
> m.java:324)
>         at  
> org.apache.commons.fileupload.MultipartStream.readHeaders(MultipartSt
> ream.java:432)
>         at  
> org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadB
> ase.java:328)
>         at  
> org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(
> ServletFileUpload.java:116)
> .
> .
> .
>
> 08:59:45,807 INFO InitUtils: /xforms-server-submit - Received request
> 08:59:47,229 ERROR InitUtils: Exception at oxf:/ops/xforms/xforms-
> server-submit.
> xpl, line 61, column 43, description executing processor
> java.lang.StringIndexOutOfBoundsException: String index out of  
> range: 2
>         at java.lang.String.substring(String.java:1935)
>         at  
> org.orbeon.oxf.xforms.XFormsUtils.decodeString(XFormsUtils.java:911)
>         at  
> org.orbeon.oxf.xforms.XFormsUtils.decodeXML(XFormsUtils.java:894)
>         at  
> org.orbeon.oxf.xforms.XFormsUtils.decodeXML(XFormsUtils.java:887)
>         at  
> org.orbeon.oxf.xforms.XFormsStaticState.<init>(XFormsStaticState.java
> :71)
> .
> .
> Plz help me this is high priority for our project.
> Thanks in advance,
> Laxminarayana Yadavalli.
>
>
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