Finish typo

common/src/main/java/org/apache/rocketmq/common/rpc/RpcClientUtils.java

@@ -8,13 +8,13 @@ import java.nio.ByteBuffer;
 public class RpcClientUtils {
 
     public static RemotingCommand createCommandForRpcRequest(RpcRequest rpcRequest) {
-        RemotingCommand cmd = RemotingCommand.createRequestCommandWithHeader(rpcRequest.getHeader().getCode(), rpcRequest.getHeader());
+        RemotingCommand cmd = RemotingCommand.createRequestCommand(rpcRequest.getHeader().getCode(), rpcRequest.getHeader());
         cmd.setBody(encodeBody(rpcRequest.getBody()));
         return cmd;
     }
 
     public static RemotingCommand createCommandForRpcResponse(RpcResponse rpcResponse) {
-        RemotingCommand cmd = RemotingCommand.createResponseCommandWithHeader(rpcResponse.getCode(), rpcResponse.getHeader());
+        RemotingCommand cmd = RemotingCommand.createResponseCommandWithHeader(rpcResponse.getHeader().getCode(), rpcResponse.getHeader());
         cmd.setRemark(rpcResponse.getException() == null ? "" : rpcResponse.getException().getMessage());
         cmd.setBody(encodeBody(rpcResponse.getBody()));
         return cmd;

remoting/src/main/java/org/apache/rocketmq/remoting/protocol/RemotingCommand.java

@@ -86,8 +86,7 @@ public class RemotingCommand {
     protected RemotingCommand() {
     }
 
-
-    public static RemotingCommand createRequestCommandWithHeader(int code, CommandCustomHeader customHeader) {
+    public static RemotingCommand createRequestCommand(int code, CommandCustomHeader customHeader) {
         RemotingCommand cmd = new RemotingCommand();
         cmd.setCode(code);
         cmd.customHeader = customHeader;
@@ -129,10 +128,7 @@ public class RemotingCommand {
     }
 
     public static RemotingCommand buildErrorResponse(int code, String remark) {
-        final RemotingCommand response = RemotingCommand.createResponseCommand(null);
-        response.setCode(code);
-        response.setRemark(remark);
-        return response;
+        return buildErrorResponse(code, remark, null);
     }