TagHandlerPool

[javendo <ja...@yahoo.com.br>]

I am using struts 1.2, Win XP and I am trying to upgrade the app/web server 
from jboss 3.2.3 with tomcat 4.1
to jboss 4.0.1 with tomcat 5.5 and I am getting this exception:

java.lang.NullPointerException
org.apache.jasper.runtime.TagHandlerPool.get(TagHandlerPool.java:108)
login.login_jsp._jspx_meth_html_html_0(login_jsp.java:84)
login.login_jsp._jspService(login_jsp.java:67)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)

I have serched for that exception but nothing helped me. I tried to put 
enablePooling = false in web.xml. I don´t know what I could do. Please help 
me.

Thank. []s Alessandro.



	
	
		
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