[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3294) Exception Handling not working under certain conditions

[Maximiliano Carrizo (JIRA)]

Exception Handling not working under certain conditions
-------------------------------------------------------

                 Key: JBSEAM-3294
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3294
             Project: Seam
          Issue Type: Bug
    Affects Versions: 2.0.3.CR1
         Environment: Kubuntu, Tomcat 6.0.14, Eclipse Europa 3.3.2 
            Reporter: Maximiliano Carrizo
            Priority: Minor


I have the following action method:

	public String confirm() {
		log.info("---------> Saving Selected Role");
		securityServices.confirmRole(roleOperationType, selectedRole);
		events.raiseTransactionSuccessEvent(Constant.REFRESH_ROLE_LIST);
		return Constant.SUCCESS;
	}

This pages config ( exception trapping only ):

	<!-- Exceptions Trapping -->
	<exception class="javax.persistence.OptimisticLockException">
		<end-conversation />
		<redirect view-id="/pages/publicArea/errors/genericError.xhtml">
			<message>#{messages['dirty_data_error']}</message>
		</redirect>
	</exception>

	<exception class="org.jboss.seam.security.AuthorizationException">
		<end-conversation />
		<redirect view-id="/pages/publicArea/errors/genericError.xhtml">
			<message>#{messages['no_permission_granted']}</message>
		</redirect>
	</exception>
	
	<exception class="org.hibernate.StaleObjectStateException">
		<end-conversation />
		<redirect view-id="/pages/publicArea/errors/genericError.xhtml">
			<message>#{messages['record_locked']}</message>
		</redirect>
	</exception>

	<exception class="java.lang.Throwable">
		<end-conversation />
		<redirect view-id="/pages/publicArea/errors/genericError.xhtml">
			<message>#{messages['unknown_error']} #{org.jboss.seam.handledException.getMessage()}</message>
		</redirect>
	</exception>

Im testing exception handling functionality of my app. When the service of my action:

securityServices.confirmRole(roleOperationType, selectedRole);

throws this exception:

javax.faces.el.EvaluationException: javax.persistence.PersistenceException: org.hibernate.PropertyValueException: not-null property references a null or transient value: com.teracode.seamapp.security.model.Role.home
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91)

In some cases app works fine ( closes current long-running conversation, opens error page and shows error message ) and in other cases leaves conversation open and dont show error message. I do always the same testing steps over and over .... and sometimes fails and sometimes not. I couldnt find an error criteria, but, when I change parameter concurrent-request-timeout on components.xml, setting a big value, something funny happens. 

Imagine I set concurrent-request-timeout on ten seconds. If I execute action and app answers me instantly, app works fine. If action lasts for ten seconds, app fails. 

I thought on sending you an example, but I've tested app at my partners machines, and ...... had the same behavior.

Best regards

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