hi folks,
i'm trying to use optimistic locking with seam, everything works fine
except very last thing, when i'm trying to save the record (that was changed by
other user) i'll get page that user can't really understand (server internal
error).
In jboss log i see exception(explainig problem), but at the end it comes to
java.lang.NoClassDefFoundError, see log:
11:30:50,734 ERROR [AbstractFlushingEventListener] Could not synchronize
database state with session
org.hibernate.StaleObjectStateException: Row was updated or deleted by another
transaction (or unsaved-value mapping was incorrect): [c
om.arnie.panta.PrProdukt#21]
at
org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1699)
....
11:30:50,748 ERROR [ExceptionFilter] uncaught exception
javax.servlet.ServletException: Error calling action method of component with
id prProdukt:update
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
...
11:30:50,748 ERROR [ExceptionFilter] exception root cause
javax.faces.FacesException: Error calling action method of component with id
prProdukt:update
at
org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:74)
...
Caused by: javax.faces.el.EvaluationException: /PrProduktEdit.xhtml @110,61
action="#{prProduktHome.update}": javax.persistence.Optimis
ticLockException
at
com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:73)
....
Caused by: javax.persistence.OptimisticLockException
at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:604)
...
Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted
by another transaction (or unsaved-value mapping was inc
orrect): [com.arnie.panta.PrProdukt#21]
at
org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1699)
....
11:30:50,753 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces
Servlet threw exception
java.lang.NoClassDefFoundError: com/sun/facelets/el/LegacyELContext
at
org.jboss.seam.web.ExceptionFilter.createFacesContext(ExceptionFilter.java:122)
...
please give me advice how to handle this exception and show up friendly message
to user on formular page.
thanks
pista
page i get:
---------------
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from
fulfilling this request.
exception
javax.servlet.ServletException: Filter execution threw an exception
org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
root cause
java.lang.NoClassDefFoundError: com/sun/facelets/el/LegacyELContext
org.jboss.seam.web.ExceptionFilter.createFacesContext(ExceptionFilter.java:122)
org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:86)
org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:73)
org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
note The full stack trace of the root cause is available in the Apache
Tomcat/5.5.20 logs.
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