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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15657 NotSerializableException while trying to write byte data in ServletOutputStream from Action Class Summary: NotSerializableException while trying to write byte data in ServletOutputStream from Action Class Product: Struts Version: 1.1 Beta 1 Platform: PC OS/Version: Windows XP Status: NEW Severity: Normal Priority: Other Component: Utilities AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] I am getting "java.io.NotSerializableException: org.apache.struts.action.RequestProcessor" while trying to write byte data in ServletOutputStream from Action Class. In the stacktrace, i can see the exception occuring at line 1165 of RequestUtils.java. In my application i need to write the binary data(i.e.,Image) in to the ServletOutputStream object of my Action Class. So, following are the steps i did to achieve it.. 1. In execute() method of my Action class, i got the ServletOutputStream object from your HttpServletResponse object(which is passed as a parameter). ServletOutputStream output = p_response.getOutputStream(); p_response.setContentType("image/png"); output.write(chart.getImageBytes()); 2. In my mapping.findForward() i will pass null instead of a valid forward string..In that case, i will get whatever the content i have set in the outputstream.. 3. The above works mostly (80%) of times when i invoke the action..I am able to see the image in Browse (which i have written in to the ServletOutputStream of my Action class). But rarely, i am getting the below said exception. Could you please let me know the fix?? NOTE: ---- The above said scenario works fine if i do the same in .jsp with scriplets (bypassing struts framework) instead of doing it in Action class. I don't want to do this as my client requirement is to adhere to Struts Framework.. Detailed Exception log ---------------------- Mode:byFamily Mode:byRow Mode:byVariant Mode:viewreport <Dec 25, 2002 12:10:58 PM IST> <Error> <HTTP> <[WebAppServletContext (2736248,gbomapp,/gbomapp)] Could not deserialize context a ttribute java.io.NotSerializableException: org.apache.struts.action.RequestProcessor at java.io.ObjectOutputStream.outputObject (ObjectOutputStream.java:1148) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:366) at java.io.ObjectOutputStream.outputClassFields (ObjectOutputStream.java:1827) at java.io.ObjectOutputStream.defaultWriteObject (ObjectOutputStream.java:480) at java.io.ObjectOutputStream.outputObject (ObjectOutputStream.java:1214) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:366) at weblogic.servlet.internal.AttributeWrapper.getObject (AttributeWrapper.java:92) at weblogic.servlet.internal.AttributeWrapper.getObject (AttributeWrapper.java:64) at weblogic.servlet.internal.WebAppServletContext.getAttribute (WebAppServletContext.java:306) at org.apache.struts.util.RequestUtils.selectApplication (RequestUtils.java:1165) at org.apache.struts.action.ActionServlet.process (ActionServlet.java:1061) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:439) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java:265) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java:200) at weblogic.servlet.internal.WebAppServletContext.invokeServlet (WebAppServletContext.java:2495) at weblogic.servlet.internal.ServletRequestImpl.execute (ServletRequestImpl.java:2204) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120) > <Dec 25, 2002 12:10:59 PM IST> <Error> <HTTP> <[WebAppServletContext (2736248,gbomapp,/gbomapp)] Servlet failed with Exception java.lang.ClassCastException: org.apache.struts.util.PropertyMessageResources at org.apache.struts.util.RequestUtils.selectApplication (RequestUtils.java:1169) at org.apache.struts.action.ActionServlet.process (ActionServlet.java:1061) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:439) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java:265) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java:200) at weblogic.servlet.internal.WebAppServletContext.invokeServlet (WebAppServletContext.java:2495) at weblogic.servlet.internal.ServletRequestImpl.execute (ServletRequestImpl.java:2204) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120) > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
