JBossDeveloper

http://jira.jboss.com/jira/browse/JBSEAM-401

I don't have a full fix for this yet, but I do now have a quick workaround in CVS that will let you get past the exception.

I have the same problem with seam 1.1 GA. is the bug fixed or i'm doing wrong some thing?????

exactly, my problem is this:

javax.faces.el.EvaluationException: Cannot get value for expression '#{org.jboss.seam.core.jbpmContext}'
 at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402)
 at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:53)
 at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1672)
 at org.jboss.seam.Component.getInstance(Component.java:1621)
 at org.jboss.seam.Component.getInstance(Component.java:1598)
 at org.jboss.seam.Component.getInstanceToInject(Component.java:1848)
 at org.jboss.seam.Component.injectFields(Component.java:1348)
 at org.jboss.seam.Component.inject(Component.java:1118)
 at org.jboss.seam.interceptors.BijectionInterceptor.bijectNonreentrantComponent(BijectionInterceptor.java:76)
 at org.jboss.seam.interceptors.BijectionInterceptor.bijectComponent(BijectionInterceptor.java:58)
 at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:36)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.OutcomeInterceptor.interceptOutcome(OutcomeInterceptor.java:21)
 at sun.reflect.GeneratedMethodAccessor159.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.RollbackInterceptor.rollbackIfNecessary(RollbackInterceptor.java:29)
 at sun.reflect.GeneratedMethodAccessor160.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:52)
 at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.BusinessProcessInterceptor.manageBusinessProcessContext(BusinessProcessInterceptor.java:51)
 at sun.reflect.GeneratedMethodAccessor157.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:28)
 at org.jboss.seam.util.Work.workInTransaction(Work.java:37)
 at org.jboss.seam.interceptors.TransactionInterceptor.doInTransactionIfNecessary(TransactionInterceptor.java:23)
 at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27)
 at sun.reflect.GeneratedMethodAccessor156.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:39)
 at sun.reflect.GeneratedMethodAccessor155.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
 at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
 at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144)
 at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129)
 at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102)
 at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:145)
 at org.jboss.seam.intercept.JavaBeanInterceptor.intercept(JavaBeanInterceptor.java:80)
 at com.santex.darwin.example.WorkflowActivityHomeExample$$EnhancerByCGLIB$$de63b30b.clearDirty(<generated>)
 at org.jboss.seam.contexts.Lifecycle.isAttributeDirty(Lifecycle.java:489)
 at org.jboss.seam.contexts.ServerConversationContext.flush(ServerConversationContext.java:217)
 at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:387)
 at org.jboss.seam.contexts.Lifecycle.endRequest(Lifecycle.java:288)
 at org.jboss.seam.jsf.AbstractSeamPhaseListener.afterRender(AbstractSeamPhaseListener.java:233)
 at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:95)
 at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:89)
 at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:391)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:92)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
 at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
 at java.lang.Thread.run(Thread.java:595)
Caused by: javax.faces.el.EvaluationException: Exception getting value of property jbpmContext of base of type : org.jboss.seam.Namespace
 at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:96)
 at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532)
 at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
 at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383)
 ... 124 more
Caused by: java.lang.IllegalStateException: JbpmContext may only be used inside a transaction
 at org.jboss.seam.core.ManagedJbpmContext.getJbpmContext(ManagedJbpmContext.java:75)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
 at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:102)
 at org.jboss.seam.Component.callComponentMethod(Component.java:1797)
 at org.jboss.seam.Component.unwrap(Component.java:1823)
 at org.jboss.seam.Component.getInstance(Component.java:1645)
 at org.jboss.seam.Component.getInstance(Component.java:1598)
 at org.jboss.seam.Namespace.get(Namespace.java:42)
 at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:78)
 ... 127 more

The bug is fixed. You have a different problem, probably you need a transaction and you don't have one.

sorry for my very wide question, but, which are the possible things that i do wrong for get that error????
Thanks in advance