I am trying to launch an application which uses hibernate to have access to a database and when we run this application we have the following output traces.

Here are the output traces :

[ INFO] 16:36:59 - net.sf.hibernate.cfg.Configuration.addClass - Mapping resource: direm/persist/metier/Annulation.hbm.xml
[ERROR] 16:36:59 - net.sf.hibernate.cfg.Configuration.addInputStream - Could not configure datastore from input stream
org.dom4j.DocumentException: Validation not supported for XMLReader: org.dom4j.io.aelfred.SAXDriver@12b996 Nested exception: http://xml.org/sax/features/validation Nested exception: Validation not supported for XMLReader: org.dom4j.io.aelfred.SAXDriver@12b996 Nested exception: http://xml.org/sax/features/validation

I dot not understand what this exception deal with. Does anyone get this exception ? Then could he explain to me how to fix it ?

Ronan Guillory

Looks like you need a validating XML parser. (I think)

Ok Guys I don't know if anyone out there was able to resolve this error, but I've been trying to resolve it for the past 24 hours, it's killing me especially that the code is working on my development environment but then it crashes when I upload it to my production machine!!!! I know it's got to be a configuration issue, but I can't seem to find it. HELP

We don't even know your configuration. How should we be able to help?

http://www.hibernate.org/ForumMailingli ... AskForHelp

ok, sice I typed this message 12 hours ago, I haven't moved from my seat, but I have resolved that problem, I may not understansd the solution, but it works: Here is what I've found out :

- The error is due to the fact that the DOM4J pakcage does not have it's own SAX parser, so it uses any SAX parser provided to it in the classpath.
- According to the DOM4J documentation and I quote



- I had xerces.jar, aml-apis.jar and jaxp.jar in the classpath and in the lib directory of my resin webserver and it still gave me this error.

- The minute I put in crimson.jar it worked

Now for the interesting bit:
On my development environment I don't have crimson, in fact my production environment is a carbon copy of my development, with the exception of crimson now, the only other difference is that one machine is Linux (running on Intel) and the Other is Solaris (running on Sparc) of course the java distributions are slightly different, but Crimson does not come packaged with JDK so I'm at a loss as to why it was working on one end and not the other

As always we are logical people and every thing has a reason but for the lofe of me I can't find it, I intend to take the time after I'm done with the project and look into this more and as always I intend to keep you all informed should I come to any conclusions.

In fact, Crimson does come packaged with all Sun 1.4.x JDKs as the default JAXP implementation, in a slightly modified Sun version. After all, maybe there is a difference between the Linux and Solaris JDKs that you use?

Juergen

Hi,

This is for anyone who has this issue with resin in the future. I debugged this (resin 2.1.10/ jsk 1.4.1 / hibernate 2.1 though this a dom4j issue) and found the following result. In resin 2.1.10 there is a configuration option:


When this is set to true, my XML processing crashes. Specifically, it could not load hibernate.cfg.xml. When I set it to false (the resin default) this works fine.