For cracks only

[Urs Wagner]

What shall I do? Since yesterday I get this exception stack in my JSF app.

org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:693)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:660)
org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:45)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)

root cause

java.lang.NullPointerException
javax.faces.webapp.UIComponentTag.setupResponseWriter(UIComponentTag.java:646)
javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:254)
org.apache.myfaces.taglib.core.ViewTag.doStartTag(ViewTag.java:71)
org.apache.jsp.login_jsp._jspx_meth_f_view_0(org.apache.jsp.login_jsp:120)
org.apache.jsp.login_jsp._jspService(org.apache.jsp.login_jsp:93)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:693)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:660)
org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:45)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)

[Sajan Patel]

hi Sorry because This description is not enough for me to understand your problem.

but you are passing null Object somewhere and you are calling some method from that NULL Object

 
<h:inputText id="myInput" value="#{myHandler.myGregCalen.time}">
</h:inputText>

In Above code, I am calling getTime() method from GregCal object which return java.util.Date. If myGregCalen is null and I try to call getTime() method than it will throw nullPointer exception so try to find If you are doing such thing in your JSP.

I hope this solve your poblem

[Adrian Marti]

i had this problem when i was incorrectly using .jsp links instead of .faces links. Pretty sure it just has to do with the web.xml mapping. The error was absolutely no help in finding this.

Adrian

[Karthik Chinnayan]

Hi Urs,
I was having the same problem and infact saw ur posting online in this forum when I was searching for a solution. Please read the section 9.9 in the following link http://docs.jboss.org/jbossas/jboss4guide/r4/html/ch9.chapt.html
It mentions about removing the MyFaces libraries if you are going to use JSF only.

Mine was a pure JSF application, so I removed the following directory
from my JBOSS installation (this dir has few myfaces.jar files that are included by default in the JBOSS installation).
dir name ==> jbossweb-tomcat55.sar/jsf-lib

But, i made sure I have all the necessary libraries (.jar files) in my application. In my case, I have jsf-api.jar, jsf-impl.jar along with other commons...jar files. in the "WEB-INF/lib" folder of my application directory.

After doing these steps, I was able to successfully deploy my JSF application in JBOSS without any errors.

I assume the problem u have is similar/same as mine and this approach will solve it.

All the best with ur work.
-Ceeeyem
[ November 16, 2005: Message edited by: Karthik Chinnayan ]