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fix npe (#14369)
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@ -356,7 +356,9 @@ public class ControllerImpl implements Controller
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}
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);
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workerTaskLauncher.waitForWorkerShutdown();
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if (workerTaskLauncher != null) {
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workerTaskLauncher.waitForWorkerShutdown();
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}
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}
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public TaskStatus runTask(final Closer closer)
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