Using IntelliJ IDEA 2018.1.1 (Ultimate Edition), plugin version 1.4-0. I'm a little bit unsure what I did to trigger the exception. Might have been when I triggered "Reformat Code".
null
java.lang.reflect.UndeclaredThrowableException
at com.sun.proxy.$Proxy199.getOriginalElement(Unknown Source)
at com.intellij.psi.util.PsiUtil.preferCompiledElement(PsiUtil.java:1318)
at com.intellij.codeInsight.BaseExternalAnnotationsManager.findExternalAnnotationsFiles(BaseExternalAnnotationsManager.java:205)
at com.intellij.codeInsight.BaseExternalAnnotationsManager.doCollect(BaseExternalAnnotationsManager.java:182)
at com.intellij.codeInsight.BaseExternalAnnotationsManager.collectExternalAnnotations(BaseExternalAnnotationsManager.java:126)
at com.intellij.codeInsight.BaseExternalAnnotationsManager.findExternalAnnotations(BaseExternalAnnotationsManager.java:107)
at com.intellij.codeInsight.AnnotationUtil.getAllAnnotations(AnnotationUtil.java:398)
at com.intellij.codeInsight.AnnotationUtil.getAllAnnotations(AnnotationUtil.java:384)
at com.intellij.codeInsight.javadoc.AnnotationDocGenerator.getAnnotationsToShow(AnnotationDocGenerator.java:185)
at com.intellij.codeInsight.javadoc.JavaDocInfoGenerator.generateAnnotations(JavaDocInfoGenerator.java:864)
at com.intellij.codeInsight.javadoc.JavaDocInfoGenerator.generateMethodSignature(JavaDocInfoGenerator.java:1071)
at com.intellij.codeInsight.javadoc.JavaDocInfoGenerator.generateMethodJavaDoc(JavaDocInfoGenerator.java:957)
at com.intellij.codeInsight.javadoc.JavaDocInfoGenerator.generateDocInfoCore(JavaDocInfoGenerator.java:350)
at com.intellij.codeInsight.javadoc.JavaDocInfoGenerator.generateDocInfo(JavaDocInfoGenerator.java:397)
at com.intellij.lang.java.JavaDocumentationProvider.generateExternalJavadoc(JavaDocumentationProvider.java:580)
at com.intellij.lang.java.JavaDocumentationProvider.generateExternalJavadoc(JavaDocumentationProvider.java:569)
at com.intellij.lang.java.JavaDocumentationProvider.generateExternalJavadoc(JavaDocumentationProvider.java:563)
at com.intellij.lang.java.JavaDocumentationProvider.generateDoc(JavaDocumentationProvider.java:557)
at ch.raffael.mddoclet.integrations.idea.MarkdownDocumentationProvider.generateDoc(MarkdownDocumentationProvider.java:131)
at com.intellij.lang.documentation.CompositeDocumentationProvider.generateDoc(CompositeDocumentationProvider.java:148)
at com.intellij.codeInsight.navigation.CtrlMouseHandler.lambda$null$0(CtrlMouseHandler.java:656)
at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1134)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:84)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$2(ProgressIndicatorUtils.java:140)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$1(CoreProgressManager.java:157)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:580)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:525)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:85)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:144)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:138)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:84)
at com.intellij.codeInsight.documentation.QuickDocUtil.runInReadActionWithWriteActionPriorityWithRetries(QuickDocUtil.java:96)
at com.intellij.codeInsight.navigation.CtrlMouseHandler.lambda$fulfillDocInfo$2(CtrlMouseHandler.java:653)
at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:231)
at com.intellij.util.Alarm$Request.runSafely(Alarm.java:405)
at com.intellij.util.Alarm$Request.access$700(Alarm.java:330)
at com.intellij.util.Alarm$Request$1.run(Alarm.java:371)
at com.intellij.util.Alarm$Request.run(Alarm.java:382)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at com.intellij.util.concurrency.SchedulingWrapper$MyScheduledFutureTask.run(SchedulingWrapper.java:228)
at com.intellij.util.concurrency.BoundedTaskExecutor$2.run(BoundedTaskExecutor.java:212)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at ch.raffael.mddoclet.integrations.idea.PsiProxy$Invoker.invoke(PsiProxy.java:329)
... 45 more
Caused by: com.intellij.openapi.progress.ProcessCanceledException
at com.intellij.openapi.progress.util.AbstractProgressIndicatorBase.throwIfCanceled(AbstractProgressIndicatorBase.java:143)
at com.intellij.openapi.progress.util.AbstractProgressIndicatorBase.checkCanceled(AbstractProgressIndicatorBase.java:134)
at com.intellij.openapi.progress.util.ProgressWrapper.checkCanceledRaw(ProgressWrapper.java:81)
at com.intellij.openapi.progress.util.ProgressWrapper.checkCanceled(ProgressWrapper.java:87)
at com.intellij.openapi.progress.impl.CoreProgressManager.doCheckCanceled(CoreProgressManager.java:120)
at com.intellij.openapi.progress.ProgressManager.checkCanceled(ProgressManager.java:208)
at com.intellij.openapi.progress.ProgressIndicatorProvider.checkCanceled(ProgressIndicatorProvider.java:49)
at com.intellij.extapi.psi.StubBasedPsiElementBase.getGreenStub(StubBasedPsiElementBase.java:396)
at com.intellij.extapi.psi.StubBasedPsiElementBase.getParent(StubBasedPsiElementBase.java:360)
at com.intellij.psi.impl.source.PsiMethodImpl.getContainingClass(PsiMethodImpl.java:85)
at com.intellij.psi.impl.source.PsiMethodImpl.getOriginalElement(PsiMethodImpl.java:322)
... 50 more
Using IntelliJ IDEA 2018.1.1 (Ultimate Edition), plugin version 1.4-0. I'm a little bit unsure what I did to trigger the exception. Might have been when I triggered "Reformat Code".