Exception thrown when external HTML opened in VPE ------------------------------------------------- Key: JBIDE-18834 URL: https://issues.jboss.org/browse/JBIDE-18834 Project: Tools (JBoss Tools) Issue Type: Bug Components: jsp/jsf/xml/html source editing, visual-page-editor-core Affects Versions: 4.2.1.CR1 Environment: JBDS 8.0.1.CR1-v20141124-0632-B333 Linux 64bit Reporter: Vlado Pakan 1. Install AngulaJS for Eclipse from JBoss Central 2. Open external HTML file in VPE ERROR: {noformat} IFile parameter can not be null org.eclipse.wst.sse.core.internal.util.Assert$AssertionFailedException: IFile parameter can not be null at org.eclipse.wst.sse.core.internal.util.Assert.isNotNull(Assert.java:124) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getExistingModelForRead(ModelManagerImpl.java:1272) at org.eclipse.angularjs.internal.ui.validation.AbstractValidator.validate(AbstractValidator.java:126) at org.eclipse.angularjs.internal.ui.validation.AbstractValidator.validate(AbstractValidator.java:118) at org.eclipse.wst.sse.ui.internal.reconcile.validator.ReconcileStepForValidator.validate(ReconcileStepForValidator.java:381) at org.eclipse.wst.sse.ui.internal.reconcile.validator.ReconcileStepForValidator.reconcileModel(ReconcileStepForValidator.java:259) at org.eclipse.jface.text.reconciler.AbstractReconcileStep.reconcile(AbstractReconcileStep.java:95) at org.eclipse.wst.sse.ui.internal.reconcile.validator.ValidatorStrategy.reconcile(ValidatorStrategy.java:269) at org.eclipse.wst.sse.ui.internal.reconcile.DocumentRegionProcessor.process(DocumentRegionProcessor.java:321) at org.eclipse.wst.sse.ui.internal.reconcile.StructuredRegionProcessor.process(StructuredRegionProcessor.java:258) at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:691) {noformat}