Hi, As was wondering if H2 database was still supported as database from xwiki. According to this page ( http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationH2), this should work but here is the exception I get whe using this configuration : javax.servlet.ServletException: 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: Errors in named queries: getAllPublicDocuments, listGroupsForUserInOtherWiki, getSpaceDocsName, listGroupsForUser, getAllUsers, getAllDocuments, getAllSpaceDocuments, getSpaces 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:617) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:129) com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152) com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68) org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:218) org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112) I'm using h2-1.2.147.jar and here is wat I put in hibernate config file: <property name="connection.url">jdbc:h2:wiki</property> <property name="connection.username">xwiki</property> <property name="connection.password">xwiki</property> <property name="connection.driver_class">org.h2.Driver</property> <property name="dialect">org.hibernate.dialect.H2Dialect</property> <property name="connection.provider_class">com.xpn.xwiki.store.DBCPConnectionProvider</property> <property name="connection.pool_size">20</property> Can anyone help ?