I am getting javax.servlet.ServletException: parent is null? Exception
when server is trying to redirect it error.faces. I have following in my
web.xml
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/error.faces</location>
</error-page>
Server is able to redirect to error.jsp with out any problem if there is
an exception in any of my own classes. It is failing if there is a issue
with my jsf tags. For example following line compiles fine but throws
javax.servlet.ServletException: parent is null? While trying to redirect
it to error.faces . It hides actual exception.
<h:outputText value="#{unit.emptyMilesPercent}">
<f:convertNumber maxFractionDigits="1" type="percentage"/>
</h:outputText>
Later I found out the problem is with type="percentage". Once I removed
it it worked fine.
This also happens if I bind my component to non existent variable(not
intentionally but by mistake :) ) in the bean. I followed
http://wiki.apache.org/myfaces/Handling_Server_Errors to create my
exception framework.
Do I have to do some kind of hack to show actual exception in
error.faces.
Thanks In Advance
Vamsi Surapuraju
724 709 2391
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