DailyClock thread given name. Add try to catch unexpected thread death.

src/main/java/altk/comm/engine/CommEngine.java

@@ -89,34 +89,47 @@ public abstract class CommEngine extends HttpServlet
 	
 	protected class DailyClock extends Thread
 	{
+		private static final String DAILY_CLOCK_THREAD_NAME = "DailyClock";
+		
 		private boolean threadShouldStop = false;
+		DailyClock()
+		{
+			setName(DAILY_CLOCK_THREAD_NAME);
+		}
 		
 		public void run()
 		{
-			while (!threadShouldStop)
+			try
 			{
-		    	// Check for pause
-				for (Broadcast broadcast : broadcasts.values())
-				{
-					broadcast.enforceOperationHours();
-				}
-
-				// sleep till next wall clock minute
-				long currentTime = System.currentTimeMillis();
-				long sleepTime = 60000 - currentTime % 60000;
-				if (sleepTime > 0)
+				while (!threadShouldStop)
 				{
-					try 
+			    	// Check for pause
+					for (Broadcast broadcast : broadcasts.values())
 					{
-						Thread.sleep(sleepTime);
-					} 
-					catch (Exception e) 
+						broadcast.enforceOperationHours();
+					}
+	
+					// sleep till next wall clock minute
+					long currentTime = System.currentTimeMillis();
+					long sleepTime = 60000 - currentTime % 60000;
+					if (sleepTime > 0)
 					{
-						myLogger.error("DailyClock thread caught: " + e.getMessage(), e);
-						return;
+						try 
+						{
+							Thread.sleep(sleepTime);
+						} 
+						catch (Exception e) 
+						{
+							myLogger.error("DailyClock thread caught: " + e.getMessage(), e);
+							return;
+						}
 					}
 				}
 			}
+			catch (Throwable t)
+			{
+				myLogger.error(DAILY_CLOCK_THREAD_NAME + " thread caught: " + t.getMessage(), t);
+			}
 		}
 
 		public void terminate() 
@@ -177,7 +190,7 @@ public abstract class CommEngine extends HttpServlet
         // This change is backward compatible with placing the log4j.properties file in
         // the class path.
         String log4j_properties = confDirPath + "/log4j.properties";
-        // Relocate file property offetting it by the runtimeDirPath
+        // Relocate file property offsetting it by the runtimeDirPath
         try
         {
         	Properties prop = new Properties();
@@ -230,8 +243,6 @@ public abstract class CommEngine extends HttpServlet
             return;
         }
 	                
-        Thread dailyClock;
-        		
         CommonLogger.startup.info(String.format("Dead broadcast viewing period: %d minutes", deadBroadcastViewingMinutes));
 
         CommonLogger.startup.info(String.format("service thread pool size: %d", getServiceThreadPoolSize()));