java.lang.AssertionError
   at org.netbeans.modules.xml.schema.model.impl.resolver.ImportResolver.findInIncludedImportsDown(ImportResolver.java:180)
   at org.netbeans.modules.xml.schema.model.impl.resolver.ImportResolver.resole(ImportResolver.java:83)
   at org.netbeans.modules.xml.schema.model.impl.SchemaModelImpl.resolveImpl(SchemaModelImpl.java:193)
   at org.netbeans.modules.xml.schema.model.impl.SchemaModelImpl.resolve(SchemaModelImpl.java:170)
   at org.netbeans.modules.xml.schema.model.impl.GlobalReferenceImpl.get(GlobalReferenceImpl.java:77)
   at org.netbeans.modules.xml.schema.model.impl.GlobalReferenceImpl.get(GlobalReferenceImpl.java:59)
   at org.netbeans.modules.xml.axi.impl.AXIComponentCreator.visit(AXIComponentCreator.java:181)
   at org.netbeans.modules.xml.schema.model.impl.AttributeReferenceImpl.accept(AttributeReferenceImpl.java:83)
   at org.netbeans.modules.xml.axi.impl.AXIComponentCreator.createNew(AXIComponentCreator.java:77)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.getAXIComponent(AXIModelBuilder.java:309)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.visit(AXIModelBuilder.java:166)
   at org.netbeans.modules.xml.schema.model.impl.AttributeReferenceImpl.accept(AttributeReferenceImpl.java:83)
   at org.netbeans.modules.xml.schema.model.visitor.DeepSchemaVisitor.visitChildren(DeepSchemaVisitor.java:270)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.visit(AXIModelBuilder.java:294)
   at org.netbeans.modules.xml.schema.model.impl.ComplexExtensionImpl.accept(ComplexExtensionImpl.java:94)
   at org.netbeans.modules.xml.schema.model.visitor.DeepSchemaVisitor.visitChildren(DeepSchemaVisitor.java:270)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.visit(AXIModelBuilder.java:257)
   at org.netbeans.modules.xml.schema.model.impl.ComplexContentImpl.accept(ComplexContentImpl.java:110)
   at org.netbeans.modules.xml.schema.model.visitor.DeepSchemaVisitor.visitChildren(DeepSchemaVisitor.java:270)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.visit(AXIModelBuilder.java:250)
   at org.netbeans.modules.xml.schema.model.impl.LocalComplexTypeImpl.accept(LocalComplexTypeImpl.java:78)
   at org.netbeans.modules.xml.axi.impl.AXIModelBuilder.populateChildren(AXIModelBuilder.java:90)
   at org.netbeans.modules.xml.axi.impl.ElementImpl.populateChildren(ElementImpl.java:306)
   at org.netbeans.modules.xml.xam.AbstractComponent._getChildren(AbstractComponent.java:188)
   at org.netbeans.modules.xml.xam.AbstractComponent.getChildren(AbstractComponent.java:205)
   at org.netbeans.modules.xml.axi.AXIContainer.getAttributes(AXIContainer.java:194)
   at org.netbeans.modules.xml.schema.completion.ElementResultItem.getReplacementText(ElementResultItem.java:117)
   at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.isResultItemTextStartsWith(CompletionUtil.java:369)
   at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.addNSAwareCompletionItems(CompletionUtil.java:359)
   at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.populateItemsForAny(CompletionUtil.java:559)
   at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.substituteAny(CompletionUtil.java:520)
   at org.netbeans.modules.xml.schema.completion.util.CompletionUtil.getElements(CompletionUtil.java:264)
   at org.netbeans.modules.xml.schema.completion.CompletionQuery.getCompletionItems(CompletionQuery.java:120)
   at org.netbeans.modules.xml.schema.completion.CompletionQuery.query(CompletionQuery.java:84)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1960)