[seam-issues] [JBoss JIRA] Updated: (JBSEAM-2419) IAE: factory method with defined scope outjected a value: guestRole

[Christian Bauer (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBSEAM-2419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christian Bauer updated JBSEAM-2419:
------------------------------------

    Assignee:     (was: Christian Bauer)
    Priority: Critical  (was: Minor)


This is a race condition in Seam 2.2 that has finally been identified, it should be fixed with a test. Removing my assignment.


> IAE: factory method with defined scope outjected a value: guestRole
> -------------------------------------------------------------------
>
>                 Key: JBSEAM-2419
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-2419
>             Project: Seam
>          Issue Type: Bug
>          Components: Core
>            Reporter: Christian Bauer
>            Priority: Critical
>         Attachments: jbseam-2419.zip
>
>
> I can see this on the log on seamframework.org but can't reproduce it:
> java.lang.IllegalArgumentException: factory method with defined scope outjected a value: guestRole
>         at org.jboss.seam.Component.handleFactoryMethodResult(Component.java:1953)
>         at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1927)
>         at org.jboss.seam.Component.getInstance(Component.java:1863)
>         at org.jboss.seam.Component.getInstance(Component.java:1840)
>         at org.jboss.seam.Component.getInstance(Component.java:1834)
>         at org.jboss.seam.wiki.core.action.Authenticator.getGuestAccessLevel(Authenticator.java:199)
>         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:21)
>         at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
>         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
>         at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
>         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
>         at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
>         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
>         at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
>         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
>         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
>         at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
>         at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
>         at org.jboss.seam.wiki.core.action.Authenticator_$$_javassist_9.getGuestAccessLevel(Authenticator_$$_javassist_9.java)
>         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:21)
>         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:125)
>         at org.jboss.seam.Component.callComponentMethod(Component.java:2082)
>         at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1926)
>         at org.jboss.seam.Component.getInstance(Component.java:1863)
>         at org.jboss.seam.Component.getInstance(Component.java:1840)
>         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
>         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
>         at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166)
>         at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53)
>         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
>         at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
>         at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
>         at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:111)
>         at org.jboss.seam.persistence.HibernatePersistenceProvider.enableFilter(HibernatePersistenceProvider.java:205)
>         at org.jboss.seam.persistence.ManagedPersistenceContext.initEntityManager(ManagedPersistenceContext.java:88)
>         at org.jboss.seam.persistence.ManagedPersistenceContext.getEntityManager(ManagedPersistenceContext.java:108)
> This is thrown from the FeedServlet.
> The code doesn't do what the exception says it is doing:
>     /**
>      * Assigns the context variable 'currentAccessLevel' when no user is logged in.
>      * @return Integer Guest access level.
>      */
>     @Factory(value = "currentAccessLevel", scope = ScopeType.SESSION, autoCreate = true)
>     public Integer getGuestAccessLevel() {
>         return ((Role)Component.getInstance("guestRole")).getAccessLevel();
>     }
> This has to be investigated further.

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