java.lang.NullPointerException
   at org.netbeans.modules.xml.schema.model.impl.resolver.ResolveSession.checkAllDependingModelsLoaded(ResolveSession.java:247)
   at org.netbeans.modules.xml.schema.model.impl.resolver.ResolveSession.getInclusionGraph(ResolveSession.java:162)
   at org.netbeans.modules.xml.schema.model.impl.resolver.IncludeResolver.getMegaIncludedModels(IncludeResolver.java:200)
   at org.netbeans.modules.xml.schema.model.impl.resolver.IncludeResolver.resolveUpwards(IncludeResolver.java:137)
   at org.netbeans.modules.xml.schema.model.impl.resolver.ImportResolver.findInIncludedImportsUpwards(ImportResolver.java:216)
   at org.netbeans.modules.xml.schema.model.impl.resolver.ChamelionResolver.resolve(ChamelionResolver.java:109)
   at org.netbeans.modules.xml.schema.model.impl.SchemaModelImpl.resolveImpl(SchemaModelImpl.java:184)
   at org.netbeans.modules.xml.schema.model.impl.SchemaModelImpl.resolve(SchemaModelImpl.java:163)
   at org.netbeans.modules.xml.wsdl.model.extensions.xsd.impl.SchemaReferenceImpl.get(SchemaReferenceImpl.java:92)
   at org.netbeans.modules.xml.wsdl.model.extensions.xsd.impl.SchemaReferenceImpl.get(SchemaReferenceImpl.java:63)
   at org.netbeans.modules.bpel.mapper.tree.models.VariableTreeModel.getChildren(VariableTreeModel.java:249)
   at org.netbeans.modules.bpel.mapper.tree.models.EmptyTreeModel.getChildren(EmptyTreeModel.java:78)
   at org.netbeans.modules.soa.xpath.mapper.tree.MapperSwingTreeModel.getChildren(MapperSwingTreeModel.java:322)
   at org.netbeans.modules.soa.xpath.mapper.tree.MapperSwingTreeModel.isLeaf(MapperSwingTreeModel.java:121)
   at org.netbeans.modules.soa.xpath.mapper.model.XPathMapperModel.isLeaf(XPathMapperModel.java:656)
   at org.netbeans.modules.soa.mappercore.MapperNode.updateNode(MapperNode.java:246)
   at org.netbeans.modules.soa.mappercore.MapperNode.<init>(MapperNode.java:82)
   at org.netbeans.modules.soa.mappercore.MapperNode.updateChildren(MapperNode.java:357)
   at org.netbeans.modules.soa.mappercore.MapperNode.loadChildren(MapperNode.java:238)
   at org.netbeans.modules.soa.mappercore.MapperNode.getChildCount(MapperNode.java:219)
   at org.netbeans.modules.soa.mappercore.Canvas.findVertexOrVertexItem(Canvas.java:792)
   at org.netbeans.modules.soa.mappercore.Canvas.findVertexOrVertexItem(Canvas.java:794)
   at org.netbeans.modules.soa.mappercore.Canvas.findVertexOrVertexItem(Canvas.java:794)
   at org.netbeans.modules.soa.mappercore.Canvas.find(Canvas.java:635)
   at org.netbeans.modules.soa.mappercore.CanvasEventHandler.mouseMoved(CanvasEventHandler.java:237)
   at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:312)
   at java.awt.Component.processMouseMotionEvent(Component.java:6179)
   at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3283)
   at java.awt.Component.processEvent(Component.java:5903)
   at java.awt.Container.processEvent(Container.java:2023)
   at java.awt.Component.dispatchEventImpl(Component.java:4501)
   at java.awt.Container.dispatchEventImpl(Container.java:2081)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3978)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895)
   at java.awt.Container.dispatchEventImpl(Container.java:2067)
   at java.awt.Window.dispatchEventImpl(Window.java:2458)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)