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error with tiles , please help

 
Greenhorn
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tiles-defs.xml::




header.jsp:


footer.jsp:




body.jsp:




web.xml:



struts-config.xml



MyAction.java




template.jsp




on running the template.jsp the following error appear

java.lang.NullPointerExceptionat org.apache.struts.taglib.tiles.InsertTag.processAttribute(InsertTag.java:689)at org.apache.struts.taglib.tiles.InsertTag.createTagHandler(InsertTag.java:489)at org.apache.struts.taglib.tiles.InsertTag.doStartTag(InsertTag.java:451)at _template._jspService(template.jsp:16)[SRC:/template.jsp]at com.orionserver[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].http.OrionHttpJspPage.service(OrionHttpJspPage.java:57)at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347)at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)at java.lang.Thread.run(Thread.java:534)



if any one know the reason for the error please help me

and thank you very much
 
Ranch Hand
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Hi Noon,

Could it be the empty tiles:insert tag you have in the header.jsp? That's where I would place my bet.



Aloha,
Doug

-- Nothing is impossible if I'mPossible
 
Consider Paul's rocket mass heater.
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