org.jboss.tools.common.validation.JBTValidationException
	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:101)
	at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:78)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: java.lang.NullPointerException
	at org.jboss.tools.ws.jaxrs.ui.cnf.UriMappingsContentProvider.refreshContent(UriMappingsContentProvider.java:165)
	at org.jboss.tools.ws.jaxrs.ui.cnf.UriMappingsContentProvider.inform(UriMappingsContentProvider.java:157)
	at org.jboss.tools.ws.jaxrs.core.pubsub.EventService.publish(EventService.java:50)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JaxrsElementChangedPublisher.publish(JaxrsElementChangedPublisher.java:34)
	at org.jboss.tools.ws.jaxrs.core.internal.metamodel.validation.JaxrsMetamodelValidator.validate(JaxrsMetamodelValidator.java:125)
	at org.jboss.tools.common.validation.ValidatorManager.validate(ValidatorManager.java:117)
	at org.jboss.tools.common.validation.ValidatorManager.validateInJob(ValidatorManager.java:81)
	... 2 more