[jbosstools-issues] [JBoss JIRA] (JBIDE-20124) NPE when removing a returned class in JAX-RS resource method does not exist

[Xavier Coulon (JIRA)]

Xavier Coulon created JBIDE-20124:
-------------------------------------

             Summary: NPE when removing a returned class in JAX-RS resource method does not exist
                 Key: JBIDE-20124
                 URL: https://issues.jboss.org/browse/JBIDE-20124
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: webservices
    Affects Versions: 4.3.0.Alpha2
            Reporter: Xavier Coulon
            Assignee: Xavier Coulon
             Fix For: 4.3.0.Beta2


If a project contains a method such as 
{code}
@Path("/{id}/comments")
	public Foo addComments() {
		return null;
	}
{code}
while {{Foo}} does not exist, the JAX-RS Metamodel builder will fail with the following exception:
{code}
java.lang.NullPointerException
	at org.jboss.tools.ws.jaxrs.core.jdt.JdtUtils.findSubtypes(JdtUtils.java:905)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsEndpointFactory.createEndpointsFromSubresourceLocator(JaxrsEndpointFactory.java:145)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JaxrsElementChangedProcessorDelegate.processSubresourceLocatorAddition(JaxrsElementChangedProcessorDelegate.java:285)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JaxrsElementChangedProcessorDelegate.processAddition(JaxrsElementChangedProcessorDelegate.java:191)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JaxrsElementChangedProcessorDelegate.processEvent(JaxrsElementChangedProcessorDelegate.java:70)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.processElementChange(JaxrsMetamodel.java:751)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.add(JaxrsMetamodel.java:720)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsBaseElement.joinMetamodel(JaxrsBaseElement.java:127)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsResourceMethod$Builder.buildInResource(JaxrsResourceMethod.java:181)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsElementFactory.createElements(JaxrsElementFactory.java:211)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsElementFactory.createElements(JaxrsElementFactory.java:65)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.processJavaElementChange(JaxrsMetamodel.java:420)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.processJavaElementChange(JaxrsMetamodel.java:392)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JavaElementChangedBuildJob.run(JavaElementChangedBuildJob.java:73)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
{code}



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