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Remove use a separate runner thread from the Launcher
Previously, the Launcher was creating a new runner thread that would call the application's main method. An exception thrown by this thread is handled differently to one thrown by the JVM's main thread leading to different exit behaviour. Furthermore, the separate thread isn't actually necessary. This commit removew the use of a separate runner thread from the Launcher. This means that the JVM's exit behaviour will be consistent and also removes the overhead of createing a starting an extra thread. Closes gh-5006
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@ -97,10 +97,8 @@ public abstract class Launcher {
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protected void launch(String[] args, String mainClass, ClassLoader classLoader)
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throws Exception {
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Runnable runner = createMainMethodRunner(mainClass, args, classLoader);
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Thread runnerThread = new Thread(runner);
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runnerThread.setContextClassLoader(classLoader);
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runnerThread.setName(Thread.currentThread().getName());
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runnerThread.start();
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Thread.currentThread().setContextClassLoader(classLoader);
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runner.run();
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}
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/**
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