Hi, I have installed the xwiki.war complete all the intructions for Tomcat Servlet and MySQL Database configuration. But my xwiki is not working properly ,its giving me the following error. I have installed the enterprise version of xwiki war. I have gone throught the forum to see if anyone's got a similar error , but looks like its just me, just in case if i have missed this error posted by some user and if there was a solution posted earlier, please point me to that link. Here is the exception what i get type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error number 3 in 0: Could not initialize main XWiki context Wrapped Exception: Error number 3001 in 3: Cannot load class com.xpn.xwiki.store.migration.hibernate.XWikiHibernateMigrationManager from param xwiki.store.migration.manager.class Wrapped Exception: Error number 0 in 3: Exception while hibernate execute Wrapped Exception: Hibernate Dialect must be explicitly set org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) javax.servlet.http.HttpServlet.service(HttpServlet.java:743) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112) root cause com.xpn.xwiki.XWikiException: Error number 3 in 0: Could not initialize main XWiki context Wrapped Exception: Error number 3001 in 3: Cannot load class com.xpn.xwiki.store.migration.hibernate.XWikiHibernateMigrationManager from param xwiki.store.migration.manager.class Wrapped Exception: Error number 0 in 3: Exception while hibernate execute Wrapped Exception: Hibernate Dialect must be explicitly set com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:328) com.xpn.xwiki.XWiki.getXWiki(XWiki.java:515) com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) javax.servlet.http.HttpServlet.service(HttpServlet.java:743) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112) note The full stack trace of the root cause is available in the Tomcat logs. ANd i have installed JDK 1.5. Can please let help me out with this error. Thanks, Nishii -- View this message in context: http://n2.nabble.com/Could-not-initialize-main-XWiki-context-tp534219p534219... Sent from the XWiki- Dev mailing list archive at Nabble.com.