You are right. If I remove xercesImpl.jar from the class path then it works
also.

But there is another observation which is weird. Its that if I have my
application anywhere on C: drive then it works. It also works if I have it
on D:\Program Files\. If I have it on D:\ then it gives this error. What is
the reason for this?
How does the discovery mechanism works in reference to drives?

Regards,

Khurram.


On 7/10/07, David Delbecq <delbd+jakarta@(protected):
>
> Hi,
> javax.xml.parsers.FactoryConfigurationError loads a implementation of
> xml parsers using a J2SE discovery mecanism. This discovery mecanism
> uses hints provided in .jars META-INF/ folder. Since you exploded your
> jar of XercesImpl, this JAR does not take part anymore in the discovery
> mecanism and jvm falls back to the core xml parser provided by tomcat.
> Behaviours is then same as if you simply removed Xerces jar from your
> application. You should not provide your own xml parser inside your
> webapplication, because jvm will always try to use the core parser (with
> or without success, considering the conflict that can arise with class
> names depending on classloader used).
>
> See http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html,
> "XML Parsers and J2SE 1.4"
>
> En l'instant précis du 10/07/07 11:54, kz s'exprimait en ces termes:
> > Hi,
> >
> > Im getting the following error while the starting of Tomcat. I have
> > version
> > 5.5.23 of Tomcat and its an embedded version.
> >
> > I had xercesImpl.jar in my classpath which conatins this class.
> >
> > INFO: Error registering
> > javax.xml.parsers.FactoryConfigurationError: Provider
> > org.apache.xerces.jaxp.DocumentBuilderFactoryImpl not found
> >
> > The problem is that when I un-jar xercesImpl.jar and set the class
> > path of
> > that un-jarred folder then it worked all fine. What is the possible
> > difference in jar file and accessing flat classes??
> >
> >
> >
> > Regards,
> >
> > Khurram.
> >
>
>
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