java.lang.NullPointerException at org.eclipse.core.internal.resources.Workspace.addResourceChangeListener(Workspace.java:265) at org.eclipse.core.internal.filebuffers.ResourceFileBuffer$FileSynchronizer.install(ResourceFileBuffer.java:112) at org.eclipse.core.internal.filebuffers.ResourceFileBuffer.connected(ResourceFileBuffer.java:270) at org.eclipse.core.internal.filebuffers.ResourceTextFileBuffer.connected(ResourceTextFileBuffer.java:311) at org.eclipse.core.internal.filebuffers.ResourceFileBuffer.connect(ResourceFileBuffer.java:260) at org.eclipse.core.internal.filebuffers.TextFileBufferManager.connect(TextFileBufferManager.java:122) at org.eclipse.wst.sse.core.internal.FileBufferModelManager.getModel(FileBufferModelManager.java:654) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl._doCommonGetModel(ModelManagerImpl.java:541) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl._commonGetModel(ModelManagerImpl.java:508) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl._commonGetModel(ModelManagerImpl.java:481) at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getModelForRead(ModelManagerImpl.java:1410) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) java.lang.NullPointerException at org.eclipse.wst.sse.core.StructuredModelManager.getModelManager(StructuredModelManager.java:47) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$JSPResourceVisitor.getJSPTranslator(JSPTranslatorPersister.java:358) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$2.run(JSPTranslatorPersister.java:284) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jst.jsp.core.internal.java.JSPTranslatorPersister$PersisterJob.run(JSPTranslatorPersister.java:523) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)