Building locally:

cd ~/trunk/as/plugins/org.jboss.ide.eclipse.as.ui.mbeans; mvn clean install

[INFO] Using compile source roots from build.properties
[INFO] Compiling 32 source files to /home/nboldt/eclipse/workspace-jboss/jbosstools_trunk/as/plugins/org.jboss.ide.eclipse.as.ui.mbeans/target/classes
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1. ERROR in /home/nboldt/eclipse/workspace-jboss/jbosstools_trunk/as/plugins/org.jboss.ide.eclipse.as.ui.mbeans/src/org/jboss/ide/eclipse/as/ui/mbeans/project/SarArtifactAdapter.java (at line 35)
public IModule getModule() {
^^^^^^^^^^^
The method getModule() of type SarArtifactAdapter.MBeanNullArtifact must override a superclass method
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1 problem (1 error)