Hi there,

i just tried to build the sample project of Middlegen 
(http://sourceforge.net/projects/middlegen/). Middlegen makes use of 
Xdoclet and Struts (which i have no experience in yet).
I deployed the EAR to a JBoss 3.0.2, but when I'm calling some of the 
generated JSP pages, I get an error:

[org.mortbay.j2ee.session.MarshallingInterceptor] could not get 
Attribute: org.apache.struts.action.LOCALE
java.io.StreamCorruptedException: InputStream does not contain a 
serialized object

I included the whole exception stack at the end of this message.
Can anybody tell me why this exception is thrown or give me at least a 
hint where i can start searching?

Thanks in advance,
Jan



2002-09-23 22:08:02,888 ERROR 
[org.mortbay.j2ee.session.MarshallingInterceptor] could not get 
Attribute: org.apache.struts.action.LOCALE
java.io.StreamCorruptedException: InputStream does not contain a 
serialized object
        at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:844)
        at java.io.ObjectInputStream.<init>(ObjectInputStream.java:163)
        at 
org.mortbay.j2ee.session.MarshallingInterceptor$ObjectInputStream.<init>(MarshallingInterceptor.java:43)
        at 
org.mortbay.j2ee.session.MarshallingInterceptor.demarshal(MarshallingInterceptor.java:83)
        at 
org.mortbay.j2ee.session.MarshallingInterceptor.getAttribute(MarshallingInterceptor.java:93)
        at 
org.mortbay.j2ee.session.StateInterceptor.getAttribute(StateInterceptor.java:43)
        at 
org.mortbay.j2ee.session.StateInterceptor.getAttribute(StateInterceptor.java:43)
        at 
org.mortbay.j2ee.session.TypeCheckingInterceptor.getAttribute(TypeCheckingInterceptor.java:90)
        at 
org.mortbay.j2ee.session.StateAdaptor.getAttribute(StateAdaptor.java:204)
        at 
org.apache.struts.action.ActionServlet.processLocale(ActionServlet.java:1911)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1541)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:491)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:344)
        at 
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:313)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:554)
        at 
org.mortbay.jetty.servlet.WebApplicationHandler.handle(WebApplicationHandler.java:199)
        at org.mortbay.http.HttpContext.handle(HttpContext.java:1572)
        at org.mortbay.http.HttpContext.handle(HttpContext.java:1522)
        at org.mortbay.http.HttpServer.service(HttpServer.java:795)
        at org.jboss.jetty.Jetty.service(Jetty.java:531)
        at org.mortbay.http.HttpConnection.service(HttpConnection.java:784)
        at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:941)
        at org.mortbay.http.HttpConnection.handle(HttpConnection.java:799)
        at 
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:186)
        at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:322)
        at org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:716)
        at java.lang.Thread.run(Thread.java:479)


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