[seam-issues] [JBoss JIRA] (JBSEAM-4862) Seam Remoting GWT support not being skipped in AS 7.0.2

Marek Novotny (JIRA) jira-events at lists.jboss.org
Tue Sep 4 11:14:32 EDT 2012

    [ https://issues.jboss.org/browse/JBSEAM-4862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715800#comment-12715800 ] 

Marek Novotny commented on JBSEAM-4862:

The exception doesn't relate to @Install(classDependencies) at all.

The warning thrown by classloader is because the AbstractScanner is doing pre-loading due performance. I call it by design - initial feature req https://issues.jboss.org/browse/JBSEAM-3276. And in history it was changed the log level from INFO to DEBUG, so you can't see the log message from Seam and only from classloader, which may be is confusing.

> Seam Remoting GWT support not being skipped in AS 7.0.2
> -------------------------------------------------------
>                 Key: JBSEAM-4862
>                 URL: https://issues.jboss.org/browse/JBSEAM-4862
>             Project: Seam 2
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 2.3.0.ALPHA
>         Environment: JBoss AS 7.0.2.Final
> EAR deployment of Seam 2.2.0
>            Reporter: Joshua Davis
>            Assignee: Marek Novotny
>            Priority: Minor
>             Fix For: 2.3.0.Final
>         Attachments: gwt-exception.txt
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
> When deploying a Seam 2.2.0 EAR in JBoss AS 7.0.2.Final, the Seam Remoting GWT support components are not disabled in a nice way.   Seam's scanner is trying to instantiate these components, even though the GWT classes are not available, resulting in a  {{java.lang.LinkageError}} when Seam's scanner tries to load the class.
> * The application is deployed as an EAR.
> * {{jboss-seam.jar}} is in the root directory of the EAR, and is declared as an EJB module in {{META-INF/application.xml}}.
> * {{jboss-seam-remoting.jar}} is in the {{lib}} directory of the EAR, along with all the other Seam 2 jars.
> When JBoss AS 7 is deploying the application, the Seam 2 scanner is looking for components in {{lib/jboss-seam-remoting.jar}}.  It finds {{GWT14Service}} and {{GWTToSeamAdapter}}, _even though_ these two components are declared with {{@Install(..., classDependencies= ...)}}.
> Expected behavior: The {{classDependencies}} in the {{@Install}} annotation prevents Seam's scanner from loading the class in the first place.
> Removing the the {{org.jboss.seam.remoting.gwt}} package from {{jboss-seam-remoting.jar}} made the problem go away.

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