OS + RedHat 6.3 x64 / sshd X11 /

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问题1：Redhat 6.3 WARNING! The remote SSH server rejected X11 forwarding request.

Connecting to 10.27.214.99:22...

Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

WARNING! The remote SSH server rejected X11 forwarding request.
Last login: Wed Mar 20 14:53:36 from 10.49.7.30
[root@sctssitapp06 ~]# cat /etc/redhat-release 

Red Hat Enterprise Linux Server release 6.3 (Santiago)

解决1

[root@sctssitapp06 ~]# vim /etc/ssh/sshd_config 

修改内容：X11Forwarding yes

修改内容：UseLogin no

重启ssh服务：[root@sctssitapp06 ~]# /etc/init.d/sshd restart

重新登陆：不再出现WARNING！

Connecting to 10.27.214.99:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Last login: Wed Jul 10 23:03:12 2019 from 10.49.2.219
/usr/bin/xauth:  creating new authority file /root/.Xauthority
[root@sctssitapp06 ~]# 

远程打开浏览器成功

[root@sctssitapp06 ~]# firefox

问题2：Java classloader在两个文件系统Redhat 6.3 和Cetnos 7.3 下针对class的加载顺序不一致

解决2：如果打包中使用的都是相同的版本，就不会有什么问题 

解决2：升级为CentOS 7.3 64位 ，调整代码classload

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