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From "Raghuveer" <raghuve...@infotechsw.com>
Subject Nested tags Error handling
Date Mon, 22 May 2006 07:39:35 GMT

I am using nested tags in in my JSP web application.
When session expired my application is navigated to login page with message
"session expired" .
This is working perfectly for all modules that used logic iterate and html
tags.
But for modules that were used nested tags , i am getting below error.


-----------------------------
500 Internal Server Error
java.lang.NullPointerException
	at
org.apache.commons.beanutils.PropertyUtilsBean.getIndexedProperty(PropertyUt
ilsBean.java:427)
	at
org.apache.commons.beanutils.PropertyUtilsBean.getIndexedProperty(PropertyUt
ilsBean.java:340)
	at
org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUti
lsBean.java:684)
	at
org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean
.java:715)
	at
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:88
4)
	at
org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811)
	at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298)
	at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:493)
	at
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.j
ava:804)
	at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispa
tcher.java:765)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletReq
uestDispatcher.java:317)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandle
r.java:790)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
	at com.evermind[Oracle Application Server Containers for J2EE 10g
(9.0.4.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableRe
sourcePooledExecutor.java:186)
	at java.lang.Thread.run(Unknown Source)


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