I am unable to get the multipart data (file etc.) from jsp/request
(post).

appengine sdk has been updated to 1.2.5.

whereas the same can be achieved through servlets as described in "How
do I handle multipart form data? or How do I handle file uploads to my
app?" in faq section.
http://code.google.com/appengine/kb/java.html#fileforms

how to achieve the above said through struts 2 action ?

when I try to get the file through the struts 2 action
the following exception is thrown :

java.security.AccessControlException: access denied
(java.io.FilePermission C:\DOCUME~1\SRK~1.001\LOCALS~1\Temp
\Jetty_127_0_0_1_8180_war____-aref0x
\upload_7ecc51fe_12383ed82aa__8000_00000000.tmp write)
        at java.security.AccessControlContext.checkPermission
(AccessControlContext.java:323)
        at java.security.AccessController.checkPermission
(AccessController.java:546)
        at java.lang.SecurityManager.checkPermission(SecurityManager.java:
532)
        at com.google.appengine.tools.development.DevAppServerFactory
$CustomSecurityManager.checkPermission(DevAppServerFactory.java:139)
        at java.lang.SecurityManager.checkWrite(SecurityManager.java:962)
        at java.io.FileOutputStream.(FileOutputStream.java:169)
        at java.io.FileOutputStream.(FileOutputStream.java:131)
        at
org.apache.commons.io.output.DeferredFileOutputStream.thresholdReached
(DeferredFileOutputStream.java:123)
        at
org.apache.commons.io.output.ThresholdingOutputStream.checkThreshold
(ThresholdingOutputStream.java:220)
        at org.apache.commons.io.output.ThresholdingOutputStream.write
(ThresholdingOutputStream.java:127)
        at org.apache.commons.fileupload.util.Streams.copy(Streams.java:101)
        at org.apache.commons.fileupload.util.Streams.copy(Streams.java:64)
        at org.apache.commons.fileupload.FileUploadBase.parseRequest
(FileUploadBase.java:362)
        at
org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.parse
(JakartaMultiPartRequest.java:90)
        at org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper.
(MultiPartRequestWrapper.java:73)
        at org.apache.struts2.dispatcher.Dispatcher.wrapRequest
(Dispatcher.java:698)
        at
org.apache.struts2.dispatcher.FilterDispatcher.prepareDispatcherAndWrapRequest
(FilterDispatcher.java:330)
        at org.apache.struts2.dispatcher.FilterDispatcher.doFilter
(FilterDispatcher.java:390)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1084)
        at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter
(TransactionCleanupFilter.java:43)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1084)
        at com.google.appengine.tools.development.StaticFileFilter.doFilter
(StaticFileFilter.java:121)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1084)
        at org.mortbay.jetty.servlet.ServletHandler.handle
(ServletHandler.java:360)
        at org.mortbay.jetty.security.SecurityHandler.handle
(SecurityHandler.java:216)
        at org.mortbay.jetty.servlet.SessionHandler.handle
(SessionHandler.java:181)
        at org.mortbay.jetty.handler.ContextHandler.handle
(ContextHandler.java:712)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
405)
        at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle
(DevAppEngineWebAppContext.java:54)
        at org.mortbay.jetty.handler.HandlerWrapper.handle
(HandlerWrapper.java:139)
        at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:313)
        at org.mortbay.jetty.handler.HandlerWrapper.handle
(HandlerWrapper.java:139)
        at org.mortbay.jetty.Server.handle(Server.java:313)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
506)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content
(HttpConnection.java:844)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
        at org.mortbay.io.nio.SelectChannelEndPoint.run
(SelectChannelEndPoint.java:396)
        at org.mortbay.thread.BoundedThreadPool$PoolThread.run
(BoundedThreadPool.java:442)

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