Eclipse Tomcat Hibernate Struts - JDeveloper OC4J migration problem.

Question

In my current project, everybody uses Eclipse and Tomcat as development environment. I decide to try JDeveloper in this project. Not that this configuration works with eclipse WPT.
When I try to open project, I get an error as below.
Target URL -- http://127.0.0.1:8988/PSSO/index.html
30.Haz.2008 21:50:03 oracle.classloader.util.ClassLoadLogger log
WARNING: Code-source D:\atilla\projects\javaProjects\meteksan\EclipseWorkspace_RTUK\BuildScripts\DirectoryThirdPartyLibraries\jta.jar (from <classpath> in D:\atilla\projects\javaProjects\meteksan\EclipseWorkspace_RTUK\PSSO\WebContent) has the same filename but is not identical to /E:/downloads/tools/jdevstudiobase1111/j2ee/home/lib/jta.jar (from <code-source> (ignore manifest Class-Path) in META-INF/boot.xml in E:\downloads\tools\jdevstudiobase1111\j2ee\home\oc4j.jar). If it contains different versions of the same classes, it will be masked as the latter is already visible in the search path of loader current-workspace-app.web.PSSO:0.0.0.
30.Haz.2008 21:50:03 oracle.classloader.util.ClassLoadLogger log
WARNING: Code-source E:\downloads\tools\jdevstudiobase1111\jakarta-struts\lib\struts.jar (from <classpath> in D:\atilla\projects\javaProjects\meteksan\EclipseWorkspace_RTUK\PSSO\WebContent) has the same filename but is not identical to /D:/atilla/projects/javaProjects/meteksan/EclipseWorkspace_RTUK/BuildScripts/DirectoryThirdPartyLibraries/struts.jar (from <classpath> in D:\atilla\projects\javaProjects\meteksan\EclipseWorkspace_RTUK\PSSO\WebContent). If it contains different versions of the same classes, it will be masked as the latter is already visible in the search path of loader current-workspace-app.web.PSSO:0.0.0.
08/06/30 21:50:17 Hibernate: select t.name, sa.value from RTUK_PSSO.ytk_sistem_attribute sa, RTUK_PSSO.ytk_attribute t where sa.attribute_id = t.id
21:50:20,687 ERROR ActionServlet:364 - Unable to initialize Struts ActionServlet due to an unexpected exception or error thrown, so marking the servlet as unavailable. Most likely, this is due to an incorrect or missing library dependency.
javax.servlet.ServletException: org.hibernate.QueryException: ClassNotFoundException: org.hibernate.hql.ast.HqlToken [from tr.com.meteksan.genel.gnlKurumOrganizasyon.GnlKurumOrganizasyon ko order by ko.organizasyonKodu]
at tr.com.meteksan.web.plugin.InitSozlukDegerleriPlugIn.init(InitSozlukDegerleriPlugIn.java:49)
at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:869)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:336)
what is interesting is that
first query with hibernate works, but second query does not works.
My JDeveloper as below
CVS Version Internal to Oracle JDeveloper 11g Technology Preview 4 (client-only)
Java(TM) Platform 1.5.0_15
Oracle IDE 11.1.1.0.22.49.49
Versioning Support 11.1.1.0.22.49.49
I wonder if it is related to struts and jta jars defined twice.

Answer 1

There might be a problem with the OC4J not finding the hibernate library you are trying to use.
Try setting the library also in the tools->embedded OC4J preferences.