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				@@ -30,7 +30,7 @@ public class JobThread extends Thread{ 
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				 	private LinkedBlockingQueue<TriggerParam> triggerQueue; 
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				 	private ConcurrentHashSet<Integer> triggerLogIdSet;		// avoid repeat trigger for the same TRIGGER_LOG_ID 
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				-	private boolean toStop = false; 
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				+	private volatile boolean toStop = false; 
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				 	private String stopReason; 
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				     private boolean running = false;    // if running job 
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