Question

I’m using JBoss AS 7.1 and Hibernate in Eclipse 3.7.2 to build a Dynamic Web Project using Java and JSP. All of the proper JAR files are in the WAR (I checked), but I’m getting this error:

java.lang.ClassNotFoundException: org.hibernate.cfg.EJB3DTDEntityResolver from [Module "deployment.MyProject.war:main" from Service Module Loader]
        org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
        org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
        org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
        org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:423)
        org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
        org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
        org.hibernate.cfg.Configuration.reset(Configuration.java:326)
        org.hibernate.cfg.Configuration.<init>(Configuration.java:265)
        org.hibernate.cfg.Configuration.<init>(Configuration.java:269)
        my.project.MyManager.<init>(MyManager.java:79)
        org.apache.jsp.index_jsp._jspService(index_jsp.java:68)
        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

The relavent line of the manager class is Configuration cfg = new Configuration();. Everything works perfectly in a standalone eclipse project. It only breaks when I try to make a JBoss Page.

Answer 1

So, apparently the problem was trying to include hibernate jars at all. JBoss AS 7.1.1 has hibernate built in. You have to add Dependencies: org.hibernate, org.hibernate.envers to MANIFEST.MF.