The etcd3 lease should be recycled correctly

[zonghaishang]

• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

• Dubbo version: xxx
• Operating System version: xxx
• Java version: xxx

Steps to reproduce this issue

org.apache.dubbo.remoting.etcd.jetcd.JEtcdClientWrapper#doClose:

if (globalLeaseId > 0) {
        revokeLease(this.globalLeaseId);
}

should be change to :

if (globalLeaseId != 0) {
        revokeLease(this.globalLeaseId);
}

Pls. provide [GitHub address] to reproduce this issue.

Expected Result

What do you expected from the above steps？

Actual Result

What actually happens?

If there is an exception, please attach the exception trace:

Just put your stack trace here!

[ralf0131]

Hi, I checked the doc, there is no guarantee that the id is positive number. So I think changing to !=0 is safer.