TILES_PROCESSOR - couldn't deserialize - NullPointerException

["Gopalakrishnan, Jayesh" <Ja...@schwab.com>]

hello all,

      I am running into these intermittent exceptions with Struts 1.1 on
Linux with weblogic 8.1 server.

      The application works fine 95% of the time.....but then this exception
shows up & is a show-stopper.
      We  haven't been able to establish a pattern to this.. yet.

      Doing a tiles "reload" with
"org.apache.struts.tiles.actions.ReloadDefinitionsAction" brings it back to
life...

      Any help is appreciated.

thx
:jayash

<Jan 6, 2004 8:39:01 PM EST> <Error> <HTTP> <BEA-101020>
<[ServletContext(id=158851062,name=stap-portal,context-path=/stap-portal)]
Servlet failed with Exception
java.lang.NullPointerException
        at
org.apache.struts.action.RequestProcessor.getServletContext()Ljavax.servlet.
ServletContext;(RequestProcessor.java:1123)
        at
org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(Ljava.l
ang.String;ZLjavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpS
ervletResponse;)Z(TilesRequestProcessor.java:181)
        at
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Ljavax.se
rvlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.a
pache.struts.config.ForwardConfig;)V(TilesRequestProcessor.java:303)
        at
org.apache.struts.action.RequestProcessor.processActionForward(Ljavax.servle
t.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.apach
e.struts.action.ActionForward;)V(RequestProcessor.java:401)
        at
org.apache.struts.action.RequestProcessor.process(Ljavax.servlet.http.HttpSe
rvletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.jav
a:279)
        at
org.apache.struts.action.ActionServlet.process(Ljavax.servlet.http.HttpServl
etRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:1420
)
        at
org.apache.struts.action.ActionServlet.doPost(Ljavax.servlet.http.HttpServle
tRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:520)
        at
javax.servlet.http.HttpServlet.service(Ljavax.servlet.http.HttpServletReques
t;Ljavax.servlet.http.HttpServletResponse;)V(HttpServlet.java:760)
<<SUPPRESSED>>


<Jan 6, 2004 8:39:01 PM EST> <Error> <HTTP> <BEA-101309>
<[ServletContext(id=158851062,name=stap-portal,context-path=/stap-portal)]
could not deserialize the context attribute
"org.apache.struts.action.REQUEST_PROCESSOR"
java.io.NotSerializableException:
org.apache.struts.tiles.TilesRequestProcessor
        at
java.io.ObjectOutputStream.writeObject0(Ljava.lang.Object;Z)V(Unknown
Source)
        at
java.io.ObjectOutputStream.writeObject(Ljava.lang.Object;)V(Unknown Source)
        at
weblogic.servlet.internal.AttributeWrapper.getObject(Z)Ljava.lang.Object;(At
tributeWrapper.java:95)
        at
weblogic.servlet.internal.AttributeWrapper.getObject()Ljava.lang.Object;(Att
ributeWrapper.java:67)
        at
weblogic.servlet.internal.WebAppServletContext.getAttribute(Ljava.lang.Strin
g;)Ljava.lang.Object;(WebAppServletContext.java:637)
        at
org.apache.struts.action.ActionServlet.getRequestProcessor(Lorg.apache.strut
s.config.ModuleConfig;)Lorg.apache.struts.action.RequestProcessor;(ActionSer
vlet.java:847)
        at
org.apache.struts.action.ActionServlet.process(Ljavax.servlet.http.HttpServl
etRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:1420
)
        at
org.apache.struts.action.ActionServlet.doPost(Ljavax.servlet.http.HttpServle
tRequest





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