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https://issues.jboss.org/browse/JBSEAM-4862?page=com.atlassian.jira.plugi...
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Vaclav Dedik edited comment on JBSEAM-4862 at 8/30/12 7:23 AM:
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The problem is the GWT interface (SerializationPolicyProvider) of the abstract superclass
of the org.jboss.seam.remoting.gwt.GWT14Service which is not on the classpath when the
application is being deployed. If you remove the interface (and modify the class so that
it compiles), the exception no longer occurs.
I guess that the JBoss AS classloader (or some underlying classloader) is incapable of
loading a class that has an invalid interface (which make sense, I think), so I don't
think there is an easy and pretty fix for this.
was (Author: vdedik):
The problem is the GWT interface (SerializationPolicyProvider) of the abstract
superclass of the org.jboss.seam.remoting.gwt.GWT14Service which is not on the classpath
when the application is being deployed. If you remove the interface (and modify the class
so that it compiles), the exception no longer occurs.
I guess that the JBoss AS classloader (or some underlying classloader) is incapable of
loading a class that has an invalid interface (which make sense, I think), so I don't
think there is an easy and pretty fix for this (except for catching the exception of
course).
Seam Remoting GWT support not being skipped in AS 7.0.2
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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
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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