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Hello,

I have a problem with Wildfly 11.0.0.Final. I am using JPA without direct dependencies to Hibernate (just JPA api). I have a persistence.xml file which has a definition for datasource.

When I try to run this application I am getting the following exception when persistence.xml file is being parsed:

org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory

I checked and it seems that I have one dependency which has dependency to org.dom4j with version 2.0.1. I see in wildfly modules that Hibernate module has dependency to org.dom4j:

However, it uses dom4j module which is define in JBoss itself and there the version is 1.6.1. I understand that two different versions can cause problems.

My questions:

1. Is it possible to solve it by removing dependency to JBoss dom4j (1.6.1 version)? I tried already with jboss-deployment-structure but it didn't help:
2. It works on JBoss EAP 7.1 but not on Wildfly 11.0.0.Final. What could be the reason?

Adam