Nishiii wrote:
> 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

Looks like you don't set hibernate dialect in hibernate.cfg.xml
(<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
make sure it uncomment)
Show your hibernate.cfg.xml if it doesn't help.

...

-- 
   Artem Melentyev
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