add response code for retrying

client/src/main/java/org/apache/rocketmq/client/impl/producer/DefaultMQProducerImpl.java

@@ -620,15 +620,9 @@ public class DefaultMQProducerImpl implements MQProducerInner {
                         log.warn(String.format("sendKernelImpl exception, resend at once, InvokeID: %s, RT: %sms, Broker: %s", invokeID, endTimestamp - beginTimestampPrev, mq), e);
                         log.warn(msg.toString());
                         exception = e;
-                        switch (e.getResponseCode()) {
-                            case ResponseCode.TOPIC_NOT_EXIST:
-                            case ResponseCode.SERVICE_NOT_AVAILABLE:
-                            case ResponseCode.SYSTEM_ERROR:
-                            case ResponseCode.NO_PERMISSION:
-                            case ResponseCode.NO_BUYER_ID:
-                            case ResponseCode.NOT_IN_CURRENT_UNIT:
+                        if (this.defaultMQProducer.getRetryResponseCodes().contains(e.getResponseCode())) {
                             continue;
-                            default:
+                        } else {
                             if (sendResult != null) {
                                 return sendResult;
                             }

client/src/main/java/org/apache/rocketmq/client/producer/DefaultMQProducer.java

@@ -16,8 +16,11 @@
  */
 package org.apache.rocketmq.client.producer;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.ExecutorService;
 import org.apache.rocketmq.client.ClientConfig;
 import org.apache.rocketmq.client.QueryResult;
@@ -38,6 +41,7 @@ import org.apache.rocketmq.common.message.MessageDecoder;
 import org.apache.rocketmq.common.message.MessageExt;
 import org.apache.rocketmq.common.message.MessageId;
 import org.apache.rocketmq.common.message.MessageQueue;
+import org.apache.rocketmq.common.protocol.ResponseCode;
 import org.apache.rocketmq.common.topic.TopicValidator;
 import org.apache.rocketmq.logging.InternalLogger;
 import org.apache.rocketmq.remoting.RPCHook;
@@ -62,6 +66,15 @@ public class DefaultMQProducer extends ClientConfig implements MQProducer {
      */
     protected final transient DefaultMQProducerImpl defaultMQProducerImpl;
     private final InternalLogger log = ClientLogger.getLog();
+    private final Set<Integer> retryResponseCodes = new CopyOnWriteArraySet<Integer>(Arrays.asList(
+            ResponseCode.TOPIC_NOT_EXIST,
+            ResponseCode.SERVICE_NOT_AVAILABLE,
+            ResponseCode.SYSTEM_ERROR,
+            ResponseCode.NO_PERMISSION,
+            ResponseCode.NO_BUYER_ID,
+            ResponseCode.NOT_IN_CURRENT_UNIT
+    ));
+
     /**
      * Producer group conceptually aggregates all producer instances of exactly same role, which is particularly
      * important when transactional messages are involved. </p>
@@ -960,6 +973,15 @@ public class DefaultMQProducer extends ClientConfig implements MQProducer {
         this.defaultMQProducerImpl.setAsyncSenderExecutor(asyncSenderExecutor);
     }
 
+    /**
+     * Add response code for retrying.
+     *
+     * @param responseCode response code, {@link ResponseCode}
+     */
+    public void addRetryResponseCode(int responseCode) {
+        this.retryResponseCodes.add(responseCode);
+    }
+
     private MessageBatch batch(Collection<Message> msgs) throws MQClientException {
         MessageBatch msgBatch;
         try {
@@ -1090,4 +1112,7 @@ public class DefaultMQProducer extends ClientConfig implements MQProducer {
         return traceDispatcher;
     }
 
+    public Set<Integer> getRetryResponseCodes() {
+        return retryResponseCodes;
+    }
 }