[jbosstools-issues] [JBoss JIRA] (JBIDE-18117) Unable to remove the JAX-RS facet on a Dynamic Web Project version 3.1

[Xavier Coulon (JIRA)]

Xavier Coulon created JBIDE-18117:
-------------------------------------

             Summary: Unable to remove the JAX-RS facet on a Dynamic Web Project version 3.1
                 Key: JBIDE-18117
                 URL: https://issues.jboss.org/browse/JBIDE-18117
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: upstream, webservices
    Affects Versions: 4.2.0.Beta3
            Reporter: Xavier Coulon
            Assignee: Xavier Coulon


A bug in Eclipse WTP causes the following exception:
{code}
java.lang.ClassCastException: org.eclipse.jst.javaee.web.internal.impl.WebAppImpl cannot be cast to org.eclipse.jst.j2ee.webapplication.WebApp
	at org.eclipse.jst.ws.jaxrs.core.internal.project.facet.JAXRSFacetUninstallDelegate.uninstallJAXRSReferencesFromWebApp(JAXRSFacetUninstallDelegate.java:116)
	at org.eclipse.jst.ws.jaxrs.core.internal.project.facet.JAXRSFacetUninstallDelegate.execute(JAXRSFacetUninstallDelegate.java:85)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.callDelegate(FacetedProject.java:1477)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modifyInternal(FacetedProject.java:441)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChangesInternal(FacetedProject.java:1181)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.access$2(FacetedProject.java:1117)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$5.run(FacetedProject.java:1099)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2313)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChanges(FacetedProject.java:1109)
	at org.eclipse.wst.common.project.facet.core.internal.FacetedProjectWorkingCopy.commitChanges(FacetedProjectWorkingCopy.java:2020)
	at org.eclipse.wst.common.project.facet.ui.internal.FacetsPropertyPage$4.run(FacetsPropertyPage.java:232)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2313)
	at org.eclipse.wst.common.project.facet.ui.internal.FacetsPropertyPage$5.run(FacetsPropertyPage.java:246)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)

{code}

the problem comes from an evaluation that checks for dynamic project facet version 2.5 or 3.0 but not higher, in {{JAXRSJEEUtils#isWebApp25or40(Object)}}




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