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java.lang.NullPointerException: 	at com.intellij.codeInspection.ui.InspectionResultsViewComparator.b(InspectionResultsViewComparator.java:163)	at com.intellij.codeInspection.ui.InspectionResultsViewComparator.compare(InspectionResultsViewComparator.java:90)	at com.intellij.util.ui.tree.TreeUtil.indexedBinarySearch(TreeUtil.java:985)	at com.intellij.codeInspection.ui.InspectionTreeNode.a(InspectionTreeNode.java:112)	at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:52)	at com.intellij.codeInspection.ui.InspectionTreeNode.insertByOrder(InspectionTreeNode.java:105)	at com.intellij.codeInspection.ui.RefElementNode.insertByOrder(RefElementNode.java:102)	at com.intellij.codeInspection.ex.InspectionRVContentProvider$2.accept(InspectionRVContentProvider.java:333)	at com.intellij.util.ui.tree.TreeUtil.traverseDepth(TreeUtil.java:360)	at com.intellij.util.ui.tree.TreeUtil.traverseDepth(TreeUtil.java:363)	at com.intellij.codeInspection.ex.InspectionRVContentProvider.addNodeToParent(InspectionRVContentProvider.java:320)	at com.intellij.codeInspection.ex.InspectionRVContentProviderImpl.appendDescriptor(InspectionRVContentProviderImpl.java:147)	at com.intellij.codeInspection.ex.InspectionRVContentProvider.buildTree(InspectionRVContentProvider.java:249)	at com.intellij.codeInspection.ex.InspectionRVContentProviderImpl.appendToolNodeContent(InspectionRVContentProviderImpl.java:109)	at com.intellij.codeInspection.ex.InspectionRVContentProvider.appendToolNodeContent(InspectionRVContentProvider.java:147)	at com.intellij.codeInspection.ui.InspectionResultsView.addTool(InspectionResultsView.java:646)	at com.intellij.codeInspection.ui.InspectionResultsView.addTools(InspectionResultsView.java:766)	at com.intellij.codeInspection.ex.GlobalInspectionContextImpl.a(GlobalInspectionContextImpl.java:662)	at com.intellij.codeInspection.ex.GlobalInspectionContextImpl.runTools(GlobalInspectionContextImpl.java:391)	at com.intellij.codeInspection.ex.GlobalInspectionContextBase.a(GlobalInspectionContextBase.java:279)	at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:568)	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:519)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)	at com.intellij.codeInspection.ex.GlobalInspectionContextBase.performInspectionsWithProgress(GlobalInspectionContextBase.java:279)	at com.intellij.codeInspection.ex.GlobalInspectionContextBase$3.run(GlobalInspectionContextBase.java:236)	at com.intellij.openapi.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:710)	at com.intellij.openapi.progress.impl.CoreProgressManager$3.run(CoreProgressManager.java:179)	at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:568)	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:519)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:164)	at com.intellij.openapi.progress.impl.ProgressManagerImpl$1.run(ProgressManagerImpl.java:128)	at com.intellij.openapi.application.impl.ApplicationImpl$2.run(ApplicationImpl.java:308)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)