Additional wrapped exception error message:
org.hibernate.HibernateException: Illegal attempt to associate a collection
with two open sessions
        at
org.hibernate.collection.AbstractPersistentCollection.setCurrentSession(AbstractPersistentCollection.java:410)
        at
org.hibernate.event.def.OnUpdateVisitor.processCollection(OnUpdateVisitor.java:43)
        at
org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:101)
        at
org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:61)
        at
org.hibernate.event.def.AbstractVisitor.processEntityPropertyValues(AbstractVisitor.java:55)
        at
org.hibernate.event.def.AbstractVisitor.process(AbstractVisitor.java:123)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:293)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:223)
        at
org.hibernate.event.def.DefaultUpdateEventListener.performSaveOrUpdate(DefaultUpdateEventListener.java:33)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
        at org.hibernate.impl.SessionImpl.fireUpdate(SessionImpl.java:564)
        at org.hibernate.impl.SessionImpl.update(SessionImpl.java:552)
        at org.hibernate.impl.SessionImpl.update(SessionImpl.java:544)
        at
com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiProperty(XWikiHibernateStore.java:1277)
        at
com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiCollection(XWikiHibernateStore.java:926)
        at
com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:552)
        at
com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:97)
        at
com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:91)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1130)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1098)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1092)
        at
com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.updateUserFromLDAP(XWikiLDAPAuthServiceImpl.java:725)
        at
com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.syncUser(XWikiLDAPAuthServiceImpl.java:417)
        at
com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.ldapAuthenticate(XWikiLDAPAuthServiceImpl.java:297)
        at
com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.authenticate(XWikiLDAPAuthServiceImpl.java:107)
        at
com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.authenticate(MyFormAuthenticator.java:195)
        at
com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.processLogin(MyFormAuthenticator.java:96)
        at
com.xpn.xwiki.user.impl.xwiki.XWikiAuthServiceImpl.checkAuth(XWikiAuthServiceImpl.java:213)
        at com.xpn.xwiki.XWiki.checkAuth(XWiki.java:3411)
        at
com.xpn.xwiki.user.impl.xwiki.XWikiRightServiceImpl.checkAccess(XWikiRightServiceImpl.java:167)
        at com.xpn.xwiki.XWiki.checkAccess(XWiki.java:3419)
        at com.xpn.xwiki.XWiki.prepareDocuments(XWiki.java:4381)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:179)
        at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
        at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
        at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
        at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
        at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:447)
        at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
        at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
        at
org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:424)
        at
org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:343)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
        at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:595)


shivshan wrote:
> 
> Hi
> On XE 1.4/Linux/Tomcat, i get the following exception when i try to post
> to a blog. Authentication works alright but sometimes, it seems as though
> it works in the second attempt. I know this is very strange.
> Any pointers?
> Using IE7 on Windows.
> Thanks
> Shiva
> 
> 10:41:46,996
> [http://172.21.16.147/xwiki/bin/view/Main/DocumentDoesNotExist]
> [http-80-1] WARN  LDAP.XWikiLDAPAuthServiceImpl   - LDAP authentication
> failed.
> com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while
> saving document XWiki.shiva_shankar
> Wrapped Exception: Error number 3212 in 3: Exception while saving property
> tags of object XWiki.shiva_shankar
> Wrapped Exception: Illegal attempt to associate a collection with two open
> sessions
>         at
> com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:573)
>         at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:97)
>         at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:91)
>         at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1130)
>         at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1098)
>         at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1092)
>         at
> com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.updateUserFromLDAP(XWikiLDAPAuthServiceImpl.java:725)
>         at
> com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.syncUser(XWikiLDAPAuthServiceImpl.java:417)
>         at
> com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.ldapAuthenticate(XWikiLDAPAuthServiceImpl.java:297)
>         at
> com.xpn.xwiki.user.impl.LDAP.XWikiLDAPAuthServiceImpl.authenticate(XWikiLDAPAuthServiceImpl.java:107)
>         at
> com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.authenticate(MyFormAuthenticator.java:195)
>         at
> com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.processLogin(MyFormAuthenticator.java:96)
>         at
> com.xpn.xwiki.user.impl.xwiki.XWikiAuthServiceImpl.checkAuth(XWikiAuthServiceImpl.java:213)
>         at com.xpn.xwiki.XWiki.checkAuth(XWiki.java:3411)
>         at
> com.xpn.xwiki.user.impl.xwiki.XWikiRightServiceImpl.checkAccess(XWikiRightServiceImpl.java:167)
>         at com.xpn.xwiki.XWiki.checkAccess(XWiki.java:3419)
>         at com.xpn.xwiki.XWiki.prepareDocuments(XWiki.java:4381)
>         at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:179)
>         at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
>         at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
>         at
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
>         at
> org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>         at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654)
>         at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:447)
>         at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
>         at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
>         at
> org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:424)
>         at
> org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:343)
>         at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)
>         at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
>         at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
>         at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
>         at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
>         at java.lang.Thread.run(Thread.java:595)
> 
> 

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