Webwork ? estou muito perdido!

2005-06-03 21:14:22 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception

java.lang.NullPointerException

at com.opensymphony.webwork.views.jsp.ui.AbstractUITag.mergeTemplate(AbstractUITag.java:255)

at com.opensymphony.webwork.views.jsp.ui.AbstractUITag.doEndTag(AbstractUITag.java:120)

at org.apache.jsp.login_jsp._jspx_meth_ww_textfield_0(login_jsp.java:363)

at org.apache.jsp.login_jsp._jspx_meth_ww_form_0(login_jsp.java:325)

at org.apache.jsp.login_jsp._jspx_meth_ww_i18n_0(login_jsp.java:137)

at org.apache.jsp.login_jsp._jspService(login_jsp.java:83)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at sun.reflect.GeneratedMethodAccessor488.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:324)

at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)

at java.security.AccessController.doPrivileged(Native Method)

at javax.security.auth.Subject.doAsPrivileged(Subject.java:500)

at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:272)

at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:245)

at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)

at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)

at java.security.AccessController.doPrivileged(Native Method)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)

at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at LocaWebValve.invoke(LocaWebValve.java:101)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)

at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)

at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)

at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)

at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)

at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)

at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)

at java.lang.Thread.run(Thread.java:534)

<filter>
    <filter-name>container</filter-name>
	<filter-class>com.opensymphony.webwork.lifecycle.RequestLifecycleFilter</filter-class>
</filter>

<filter-mapping>
	<filter-name>container</filter-name>
	<url-pattern>/*</url-pattern>
</filter-mapping>

<listener>
	<listener-class>com.opensymphony.webwork.lifecycle.SessionLifecycleListener</listener-class> 
</listener>

<listener>
	<listener-class>com.opensymphony.webwork.lifecycle.ApplicationLifecycleListener</listener-class>
</listener>

<servlet>
	<servlet-name>webwork</servlet-name>
	<servlet-class>com.opensymphony.webwork.dispatcher.ServletDispatcher</servlet-class>
	<load-on-startup>1</load-on-startup>
</servlet>

<servlet>
	<servlet-name>AplicationInitializer</servlet-name>
	<servlet-class>br.edu.ftu.system.Initializer</servlet-class>
	<load-on-startup>1</load-on-startup>
</servlet>
	    
<servlet-mapping>
	<servlet-name>webwork</servlet-name>
	<url-pattern>*.action</url-pattern>
</servlet-mapping>
<taglib>
	<taglib-uri>webwork</taglib-uri>
	<taglib-location>/WEB-INF/lib/webwork-2.0.jar</taglib-location>
</taglib>