René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Failed to get variables. Reason: com.sun.jdi.InvalidStackFrameException","articleBody":"The locals are not loading in the debugger (in this case, not always).\r\n\r\n##### Environment\r\n- Operating System: Win10\r\n- JDK version: \r\n- Visual Studio Code version: 1.41.1\r\n- Java extension version: 0.55.1\r\n- Java Debugger extension version: 0.24.0\r\n\r\n##### Steps To Reproduce\r\n\r\n[sample project reproducing the error](https://github.com/spottedmahn/experiments-2020/tree/master/failed-to-get-variables)\r\n\r\n##### demo of problem\r\n\r\n![failed-to-get-variables-repro-steps](https://user-images.githubusercontent.com/14079228/75360035-36b4cc80-5883-11ea-9cd4-c6e0e0442fa4.gif)\r\n\r\n1. Debug the test\r\n1. Put a breakpoint on `when(restHighLevelClient.indexAsync(any(), any(), any()))`\r\n1. After the breakpoint is hit, enable Caught Exceptions\r\n1. F5\r\n1. Wait for the exception, inspect the debugger window\r\n\r\n[java-lang-server.log](https://github.com/microsoft/vscode-java-debug/files/4256577/java-lang-server.log)\r\n\r\n##### Current Result\r\n![image](https://user-images.githubusercontent.com/14079228/75359806-eb9ab980-5882-11ea-90b7-01e4df664df4.png)\r\n\r\n\r\n##### Expected Result\r\nVariables to load\r\n\r\n##### Additional Informations\r\n\r\n\r\n\r\n##### Exception from Java Server Log\r\n\r\n\u003e!ENTRY java-debug 4 0 2020-02-26 10:06:40.711\r\n!MESSAGE [error response][variables]: Failed to get variables. Reason: com.sun.jdi.InvalidStackFrameException\r\n!STACK 0\r\ncom.microsoft.java.debug.core.DebugException: Failed to get variables. Reason: com.sun.jdi.InvalidStackFrameException\r\n\tat com.microsoft.java.debug.core.adapter.AdapterUtils.createCompletionException(AdapterUtils.java:255)\r\n\tat com.microsoft.java.debug.core.adapter.handler.VariablesRequestHandler.handle(VariablesRequestHandler.java:118)\r\n\tat com.microsoft.java.debug.core.adapter.DebugAdapter.lambda$dispatchRequest$0(DebugAdapter.java:87)\r\n\tat java.base/java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:1106)\r\n\tat java.base/java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2235)\r\n\tat com.microsoft.java.debug.core.adapter.DebugAdapter.dispatchRequest(DebugAdapter.java:86)\r\n\tat com.microsoft.java.debug.core.adapter.ProtocolServer.dispatchRequest(ProtocolServer.java:118)\r\n\tat com.microsoft.java.debug.core.protocol.AbstractProtocolServer.lambda$new$0(AbstractProtocolServer.java:78)\r\n\tat io.reactivex.internal.observers.LambdaObserver.onNext(LambdaObserver.java:60)\r\n\tat io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.drainNormal(ObservableObserveOn.java:200)\r\n\tat io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.run(ObservableObserveOn.java:252)\r\n\tat io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:61)\r\n\tat io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:52)\r\n\tat java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\r\n\tat java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)\r\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)\r\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)\r\n\tat java.base/java.lang.Thread.run(Thread.java:834)\r\nCaused by: com.sun.jdi.InvalidStackFrameException\r\n\tat org.eclipse.jdi.internal.MirrorImpl.defaultReplyErrorHandler(MirrorImpl.java:294)\r\n\tat org.eclipse.jdi.internal.StackFrameImpl.getValues(StackFrameImpl.java:142)\r\n\tat org.eclipse.jdi.internal.StackFrameImpl.getValue(StackFrameImpl.java:78)\r\n\tat com.microsoft.java.debug.core.adapter.variables.VariableUtils.listLocalVariables(VariableUtils.java:153)\r\n\tat com.microsoft.java.debug.core.adapter.handler.VariablesRequestHandler.handle(VariablesRequestHandler.java:109)\r\n\t... 16 more\r\n","author":{"url":"https://github.com/spottedmahn","@type":"Person","name":"spottedmahn"},"datePublished":"2020-02-26T15:36:02.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/767/vscode-java-debug/issues/767"}