[jboss-user] [JBoss Tools (users)] - Re: Nightly: NPE DocTypeUtil.getDoctype(DocTypeUtil.java:137

nhpvti do-not-reply at jboss.com
Mon Sep 1 06:15:17 EDT 2008


anonymous wrote : Yes, please report bugs in jira with steps on how to reproduce - otherwise we can't really give you news :)

I was not sure that this is a bug, it could be programming mistake or misconfiguration. 

There are no Null Pointer exceptions on Windows workstations, only on a Linux one.

After some research I've discovered that the problem occurs if our  XHTML files start with "<html xmlns=...", e.g.:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  | <html xmlns="http://www.w3.org/1999/xhtml"
  | 	xmlns:ui="http://java.sun.com/jsf/facelets"
  | 	xmlns:h="http://java.sun.com/jsf/html"
  | 	xmlns:f="http://java.sun.com/jsf/core"
  | 	xmlns:s="http://jboss.com/products/seam/taglib"
  | 	xmlns:a="https://ajax4jsf.dev.java.net/ajax"
  | 	xmlns:rich="http://richfaces.ajax4jsf.org/rich">
  | <ui:composition template="/layout/template.xhtml">

And there is no problem when XHTML files start with "<ui:composition...", e.g.:

<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
  |                       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  | <ui:composition xmlns="http://www.w3.org/1999/xhtml"
  | 	xmlns:s="http://jboss.com/products/seam/taglib"
  | 	xmlns:ui="http://java.sun.com/jsf/facelets"
  | 	xmlns:f="http://java.sun.com/jsf/core"
  | 	xmlns:h="http://java.sun.com/jsf/html"
  | 	xmlns:a="https://ajax4jsf.dev.java.net/ajax"
  | 	xmlns:rich="http://richfaces.ajax4jsf.org/rich"
  | 	template="layout/template.xhtml">

Now after migration to the 2nd "style" there are no null pointer exceptions any more during opening XHTML files, 
but Visual Editor is still not working on my Linux workstation :-(

The following link didn't help:
There is already compat-libstdc++-5.0.7-22.2 installed and symbolic link libstdc++.so.5 pointing to it already exists.

But hope that this will help...

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