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Why am I getting dialog entitled JDebugTool Instructions when trying to debug (Run/Attach/Listen) a target JVM?

April 26, 2017debug dialog entitled instructions jdebugtool listen run

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Why am I getting dialog entitled JDebugTool Instructions when trying to debug (Run/Attach/Listen) a target JVM?

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This is because you did not invoke JDebugTool itself correctly. In order to debug a target JVM, JDebugTool needs access to the Java Debugger Interface found in the JDK tools.jar file (so make sure that you typed the path to tools.jar correctly). See Step 5. Invoking JDebugTool in the Tutorial.