jdk21启动，telnet连接不上

[zyhui98]

• 我已经在 issues 里搜索，没有重复的issue。

环境信息

• arthas-boot.jar 或者 as.sh 的版本： xxx
• Arthas 版本: 4.0.0
• 操作系统版本: centos7
• 目标进程的JVM版本: jdk21

重现问题的步骤

./as.sh

Arthas script version: 4.0.0
[INFO] JAVA_HOME: /opt/jdk
Found existing java process, please choose one and input the serial number of the process, eg : 1. Then hit ENTER.

• [1]: 1 com.*.data.Application
  1
  Arthas home: /latest/arthas
  Calculating attach execution time...
  Attaching to 1 using version /latest/arthas...

real 0m0.319s
user 0m0.279s
sys 0m0.046s
Attach success.
telnet connecting to arthas server... current timestamp is 1724728300
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused

[11:11:40root@app/latest/arthas] C:1

java -version

java version "21.0.4" 2024-07-16 LTS
Java(TM) SE Runtime Environment (build 21.0.4+8-LTS-274)
Java HotSpot(TM) 64-Bit Server VM (build 21.0.4+8-LTS-274, mixed mode, sharing)