[ROCKETMQ-189] Misleading tip on consumeTimestamp and wrong consumeTimestamp...

[ROCKETMQ-189] Misleading tip on consumeTimestamp and wrong consumeTimestamp exception message closes apache/incubator-rocketmq#97

client/src/main/java/org/apache/rocketmq/client/impl/consumer/DefaultMQPushConsumerImpl.java

@@ -655,12 +655,12 @@ public class DefaultMQPushConsumerImpl implements MQConsumerInner {
                 null);
         }
 
-        Date dt = UtilAll.parseDate(this.defaultMQPushConsumer.getConsumeTimestamp(), UtilAll.YYYY_MMDD_HHMMSS);
+        Date dt = UtilAll.parseDate(this.defaultMQPushConsumer.getConsumeTimestamp(), UtilAll.YYYYMMDDHHMMSS);
         if (null == dt) {
             throw new MQClientException(
-                "consumeTimestamp is invalid, YYYY_MMDD_HHMMSS"
-                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL),
-                null);
+                "consumeTimestamp is invalid, the valid format is yyyyMMddHHmmss,but received "
+                    + this.defaultMQPushConsumer.getConsumeTimestamp()
+                    + " " + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL), null);
         }
 
         // allocateMessageQueueStrategy

client/src/main/java/org/apache/rocketmq/client/impl/consumer/RebalancePushImpl.java

@@ -171,7 +171,7 @@ public class RebalancePushImpl extends RebalanceImpl {
                     } else {
                         try {
                             long timestamp = UtilAll.parseDate(this.defaultMQPushConsumerImpl.getDefaultMQPushConsumer().getConsumeTimestamp(),
-                                UtilAll.YYYY_MMDD_HHMMSS).getTime();
+                                UtilAll.YYYYMMDDHHMMSS).getTime();
                             result = this.mQClientFactory.getMQAdminImpl().searchOffset(mq, timestamp);
                         } catch (MQClientException e) {
                             result = -1;

common/src/main/java/org/apache/rocketmq/common/UtilAll.java

@@ -41,7 +41,7 @@ import org.apache.rocketmq.remoting.common.RemotingHelper;
 public class UtilAll {
     public static final String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
     public static final String YYYY_MM_DD_HH_MM_SS_SSS = "yyyy-MM-dd#HH:mm:ss:SSS";
-    public static final String YYYY_MMDD_HHMMSS = "yyyyMMddHHmmss";
+    public static final String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
     final static char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
 
     public static int getPid() {

example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java

@@ -31,6 +31,8 @@ public class PushConsumer {
         DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("CID_JODIE_1");
         consumer.subscribe("Jodie_topic_1023", "*");
         consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
+        //wrong time format 2017_0422_221800
+        consumer.setConsumeTimestamp("20170422221800");
         consumer.registerMessageListener(new MessageListenerConcurrently() {
 
             /**