java.lang.NullPointerException
	at org.jetbrains.plugins.scala.caches.module.ScalaFilesCacheImpl.getClassesByShortClassName(ScalaFilesCacheImpl.java:353)
	at org.jetbrains.plugins.scala.caches.project.ScalaShortNamesCache.getClassesByName(ScalaShortNamesCache.java:74)
	at com.intellij.psi.impl.CompositeShortNamesCache.getClassesByName(CompositeShortNamesCache.java:38)
	at com.advancedtools.webservices.references.WSDLReferenceProvider$WsdlClassReference.multiResolve(WSDLReferenceProvider.java:748)
	at com.advancedtools.webservices.references.WSDLReferenceProvider$WsdlClassReference.resolve(WSDLReferenceProvider.java:629)
	at com.advancedtools.webservices.index.IndexEntry.addClass(IndexEntry.java:119)
	at com.advancedtools.webservices.index.IndexEntry.access$000(IndexEntry.java:25)
	at com.advancedtools.webservices.index.IndexEntry$1.visitXmlAttributeValue(IndexEntry.java:57)
	at com.advancedtools.webservices.utils.XmlRecursiveElementVisitor.visitElement(XmlRecursiveElementVisitor.java:34)
	at com.advancedtools.webservices.utils.XmlRecursiveElementVisitor.visitXmlAttribute(XmlRecursiveElementVisitor.java:18)
	at com.advancedtools.webservices.utils.XmlRecursiveElementVisitor.visitElement(XmlRecursiveElementVisitor.java:33)
	at com.intellij.psi.impl.source.xml.XmlTagImpl.accept(XmlTagImpl.java:87)
	at com.intellij.psi.impl.source.tree.CompositePsiElement.acceptChildren(CompositePsiElement.java:85)
	at com.advancedtools.webservices.index.IndexEntry.<init>(IndexEntry.java:51)
	at com.advancedtools.webservices.index.WSIndex.processFileAdded(WSIndex.java:259)
	at com.advancedtools.webservices.index.WSIndex.access$200(WSIndex.java:28)
	at com.advancedtools.webservices.index.WSIndex$1$1.processFile(WSIndex.java:68)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:30)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.FileIndexImplUtil.iterateRecursively(FileIndexImplUtil.java:35)
	at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.iterateContent(ProjectFileIndexImpl.java:90)
	at com.advancedtools.webservices.index.WSIndex$1.run(WSIndex.java:65)
	at com.advancedtools.webservices.index.WSIndex$3$1.run(WSIndex.java:133)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:379)
	at com.intellij.ide.startup.impl.StartupManagerImpl$3.run(StartupManagerImpl.java:2)
	at com.intellij.ide.startup.impl.StartupManagerImpl.runWhenProjectIsInitialized(StartupManagerImpl.java:15)
	at com.advancedtools.webservices.index.WSIndex$3.rootsChanged(WSIndex.java:130)
	at sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:101)
	at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:172)
	at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:165)
	at com.intellij.util.messages.impl.MessageBusImpl.access$000(MessageBusImpl.java:39)
	at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:105)
	at $Proxy67.rootsChanged(Unknown Source)
	at com.intellij.openapi.roots.impl.ProjectRootManagerImpl.rootsChanged(ProjectRootManagerImpl.java:138)
	at com.intellij.openapi.module.impl.ModuleManagerImpl.a(ModuleManagerImpl.java:148)
	at com.intellij.openapi.module.impl.ModuleManagerImpl.access$2000(ModuleManagerImpl.java:92)
	at com.intellij.openapi.module.impl.ModuleManagerImpl$ModuleModelImpl.commitWithRunnable(ModuleManagerImpl.java:103)
	at com.intellij.openapi.module.impl.ModuleManagerImpl.commitModelWithRunnable(ModuleManagerImpl.java:97)
	at com.intellij.openapi.roots.impl.ModuleRootManagerImpl.multiCommit(ModuleRootManagerImpl.java:224)
	at com.intellij.openapi.roots.impl.ProjectRootManagerImpl.multiCommit(ProjectRootManagerImpl.java:90)
	at com.intellij.openapi.roots.ui.configuration.ModulesConfigurator$5.run(ModulesConfigurator.java:28)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:379)
	at com.intellij.openapi.roots.ui.configuration.ModulesConfigurator.apply(ModulesConfigurator.java:131)
	at com.intellij.openapi.roots.ui.configuration.projectRoot.ModuleStructureConfigurable.apply(ModuleStructureConfigurable.java:186)
	at com.intellij.openapi.roots.ui.configuration.ProjectStructureConfigurable.apply(ProjectStructureConfigurable.java:42)
	at com.intellij.ide.ui.search.DefaultSearchableConfigurable.apply(DefaultSearchableConfigurable.java:4)
	at com.intellij.openapi.options.ex.SingleConfigurableEditor.doOKAction(SingleConfigurableEditor.java:53)
	at com.intellij.openapi.ui.DialogWrapper$OkAction.actionPerformed(DialogWrapper.java:920)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:5602)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
	at java.awt.Component.processEvent(Component.java:5367)
	at java.awt.Container.processEvent(Container.java:2010)
	at java.awt.Component.dispatchEventImpl(Component.java:4068)
	at java.awt.Container.dispatchEventImpl(Container.java:2068)
	at java.awt.Component.dispatchEvent(Component.java:3903)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)
	at java.awt.Container.dispatchEventImpl(Container.java:2054)
	at java.awt.Window.dispatchEventImpl(Window.java:1791)
	at java.awt.Component.dispatchEvent(Component.java:3903)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
	at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:16)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:41)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:211)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:180)
	at java.awt.Dialog$1.run(Dialog.java:535)
	at java.awt.Dialog$2.run(Dialog.java:563)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:561)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:23)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:131)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:812)
	at com.intellij.openapi.options.ex.ControlPanelSettingsEditor.b(ControlPanelSettingsEditor.java:2)
	at com.intellij.openapi.options.ex.ControlPanelSettingsEditor.access$300(ControlPanelSettingsEditor.java:66)
	at com.intellij.openapi.options.ex.ControlPanelSettingsEditor$MyKeyAdapter.keyReleased(ControlPanelSettingsEditor.java:33)
	at java.awt.Component.processKeyEvent(Component.java:5563)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2722)
	at java.awt.Component.processEvent(Component.java:5379)
	at java.awt.Container.processEvent(Container.java:2010)
	at java.awt.Component.dispatchEventImpl(Component.java:4068)
	at java.awt.Container.dispatchEventImpl(Container.java:2068)
	at java.awt.Component.dispatchEvent(Component.java:3903)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1826)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:681)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:938)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:810)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:645)
	at java.awt.Component.dispatchEventImpl(Component.java:3941)
	at java.awt.Container.dispatchEventImpl(Container.java:2068)
	at java.awt.Window.dispatchEventImpl(Window.java:1791)
	at java.awt.Component.dispatchEvent(Component.java:3903)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
	at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:16)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:186)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:211)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:180)
	at java.awt.Dialog$1.run(Dialog.java:535)
	at java.awt.Dialog$2.run(Dialog.java:563)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:561)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:23)
	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:131)
	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:812)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.showControlPanelOptions(ShowSettingsUtilImpl.java:47)
	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:45)
	at com.intellij.ide.MacOSApplicationProvider$Worker$1.handlePreferences(MacOSApplicationProvider.java:12)
	at com.apple.eawt.Application$5.run(Application.java:370)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
	at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:16)
	at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:207)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:211)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)