Hello, I have a problem with uploading files using jakarta fileupload library in my GAE application(commons-fileupload-1.2.1.jar).
I'm using struts and FormFile class to handle uploaded file. On development GAE server everything is fine and works as expected but on production server I see NullPointerException in the log of my application (see corresponding part of the log at the and of this message). So it looks like library code failed to get temporary directory for uploading file. Can anybody give me the way how to fix this problem or workaround for this issue? Thanks in advance. org.apache.struts.chain.commands.AbstractExceptionHandler execute: Unhandled exception java.lang.NullPointerException at org.apache.struts.upload.CommonsMultipartRequestHandler.getRepositoryPath (CommonsMultipartRequestHandler.java:364) at org.apache.struts.upload.CommonsMultipartRequestHandler.handleRequest (CommonsMultipartRequestHandler.java:175) at org.apache.struts.util.RequestUtils.populate(RequestUtils.java: 410) at org.apache.struts.chain.commands.servlet.PopulateActionForm.populate (PopulateActionForm.java:50) at org.apache.struts.chain.commands.AbstractPopulateActionForm.execute (AbstractPopulateActionForm.java:60) at org.apache.struts.chain.commands.ActionCommandBase.execute (ActionCommandBase.java:51) at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java: 191) at org.apache.commons.chain.generic.LookupCommand.execute (LookupCommand.java:305) at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java: 191) at org.apache.struts.chain.ComposableRequestProcessor.process (ComposableRequestProcessor.java:283) at org.apache.struts.action.ActionServlet.process(ActionServlet.java: 1913) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java: 462) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 487) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1093) at com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter (SaveSessionFilter.java:35) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1084) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter (TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle (ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle (SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle (SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle (ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 405) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle (AppVersionHandlerMap.java:238) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: 506) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete (HttpConnection.java:830) at com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable (RpcRequestParser.java:76) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest (JettyServletEngineAdapter.java:139) at com.google.apphosting.runtime.JavaRuntime.handleRequest (JavaRuntime.java:239) at com.google.apphosting.base.RuntimePb$EvaluationRuntime $6.handleBlockingRequest(RuntimePb.java:5135) at com.google.apphosting.base.RuntimePb$EvaluationRuntime $6.handleBlockingRequest(RuntimePb.java:5133) at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest (BlockingApplicationHandler.java:24) at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java: 363) at com.google.net.rpc.impl.Server$2.run(Server.java:814) at com.google.tracing.LocalTraceSpanRunnable.run (LocalTraceSpanRunnable.java:56) at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan (LocalTraceSpanBuilder.java:516) at com.google.net.rpc.impl.Server.startRpc(Server.java:769) at com.google.net.rpc.impl.Server.processRequest(Server.java:351) at com.google.net.rpc.impl.ServerConnection.messageReceived (ServerConnection.java:437) at com.google.net.rpc.impl.RpcConnection.parseMessages (RpcConnection.java:319) at com.google.net.rpc.impl.RpcConnection.dataReceived (RpcConnection.java:290) at com.google.net.async.Connection.handleReadEvent(Connection.java: 436) at com.google.net.async.EventDispatcher.processNetworkEvents (EventDispatcher.java:762) at com.google.net.async.EventDispatcher.internalLoop (EventDispatcher.java:207) at com.google.net.async.EventDispatcher.loop(EventDispatcher.java: 101) at com.google.net.rpc.RpcService.runUntilServerShutdown (RpcService.java:251) at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run (JavaRuntime.java:396) at java.lang.Thread.run(Unknown Source) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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