From c0001afe8f3eb99afafffca68f68ebd275ebb058 Mon Sep 17 00:00:00 2001
From: willmao <williamsofmao@gmail.com>
Date: Fri, 13 May 2022 12:24:33 +0800
Subject: [PATCH] use hostname if register name not set (#3968)

---
 .../java/com/alibaba/otter/canal/deployer/CanalLauncher.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalLauncher.java b/deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalLauncher.java
index 2bc78994..b837de75 100644
--- a/deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalLauncher.java
+++ b/deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalLauncher.java
@@ -56,6 +56,10 @@ public class CanalLauncher {
                     CanalConstants.CANAL_ADMIN_AUTO_REGISTER));
                 String autoCluster = CanalController.getProperty(properties, CanalConstants.CANAL_ADMIN_AUTO_CLUSTER);
                 String name = CanalController.getProperty(properties, CanalConstants.CANAL_ADMIN_REGISTER_NAME);
+                if (StringUtils.isEmpty(name)) {
+                    name = AddressUtils.getHostName();
+                }
+
                 String registerIp = CanalController.getProperty(properties, CanalConstants.CANAL_REGISTER_IP);
                 if (StringUtils.isEmpty(registerIp)) {
                     registerIp = AddressUtils.getHostIp();