Hi

I am trying to use hibernate3 as persistent layer in my jsr168 portlet in
Liferay portal server I have a problem creating SessionFactory.
here is the code:

SessionFactory factory = new org.hibernate.cfg.Configuration().configure().buildSessionFactory();

Exception:

06:05:50,750 FATAL [ConnectionProviderFactory] Could not instantiate connection
provider
java.lang.ClassCastException
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvi
der(ConnectionProviderFactory.java:54)
at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFa
ctory.java:295)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:
110)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1485
)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.jav
a:1029)
at org.apache.jsp.WEB_002dINF.templates.html.form_jsp._jspService(form_j
sp.java:85)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
atcher.java:704)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD
ispatcher.java:590)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis
patcher.java:510)
at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletReque
stDispatcherImpl.java:210)
at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletReque
stDispatcherImpl.java:77)
at com.joinebiz.portal.PortletTest.doView(PortletTest.java:74)
at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:235)
at javax.portlet.GenericPortlet.render(GenericPortlet.java:163)
at com.liferay.portlet.CachePortlet.render(CachePortlet.java:153)
at org.apache.jsp.html.portal.layout_jsp._jspService(layout_jsp.java:891
)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
atcher.java:704)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD
ispatcher.java:590)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis
patcher.java:510)
at com.liferay.taglib.IncludeTag.doEndTag(IncludeTag.java:72)
at org.apache.jsp.html.tiles.layout_005fportal_jsp._jspService(layout_00
5fportal_jsp.java:1018)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
92)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
atcher.java:704)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(Applica
tionDispatcher.java:474)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD
ispatcher.java:409)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis
patcher.java:312)
at com.liferay.portal.struts.StrutsUtil.forward(StrutsUtil.java:71)
at com.liferay.portal.struts.PortalRequestProcessor.doForward(PortalRequ
estProcessor.java:149)
at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(
TilesRequestProcessor.java:237)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Ti
lesRequestProcessor.java:300)
at com.oroad.stxx.plugin.StxxTilesRequestProcessor.processForwardConfig(
StxxTilesRequestProcessor.java:134)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja
va:231)
at com.liferay.portal.struts.PortalRequestProcessor.process(PortalReques
tProcessor.java:135)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:116
4)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.
java:305)
at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:610)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at com.liferay.filters.secure.SecureFilter.doFilter(SecureFilter.java:13
5)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at com.liferay.filters.compression.CompressionFilter.doFilter(Compressio
nFilter.java:113)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFi
lter.java:75)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard
ContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrinc
ipalValve.java:66)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(Securit
yAssociationValve.java:158)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:540)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv
eContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav
a:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)

at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16
0)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:683)
at java.lang.Thread.run(Thread.java:534)


thanks