[ROCKETMQ-111] Fix possible MQClientException when query message before today,...

[ROCKETMQ-111] Fix possible MQClientException when query message before today, closes apache/incubator-rocketmq#69

common/src/main/java/org/apache/rocketmq/common/message/MessageClientIDSetter.java

@@ -52,7 +52,7 @@ public class MessageClientIDSetter {
         Calendar cal = Calendar.getInstance();
         cal.setTimeInMillis(millis);
         cal.set(Calendar.DAY_OF_MONTH, 1);
-        cal.set(Calendar.HOUR, 0);
+        cal.set(Calendar.HOUR_OF_DAY, 0);
         cal.set(Calendar.MINUTE, 0);
         cal.set(Calendar.SECOND, 0);
         cal.set(Calendar.MILLISECOND, 0);
@@ -74,7 +74,7 @@ public class MessageClientIDSetter {
         Calendar cal = Calendar.getInstance();
         long now = cal.getTimeInMillis();
         cal.set(Calendar.DAY_OF_MONTH, 1);
-        cal.set(Calendar.HOUR, 0);
+        cal.set(Calendar.HOUR_OF_DAY, 0);
         cal.set(Calendar.MINUTE, 0);
         cal.set(Calendar.SECOND, 0);
         cal.set(Calendar.MILLISECOND, 0);