[jira] [Created] (ROCKETMQ-277) get localhost throw java.net.UnknownHostException,when not hostname in /etc/hosts

[yubaofu (JIRA)]

yubaofu created ROCKETMQ-277:
--------------------------------

             Summary: get localhost throw java.net.UnknownHostException,when 
not hostname in /etc/hosts
                 Key: ROCKETMQ-277
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-277
             Project: Apache RocketMQ
          Issue Type: Bug
          Components: rocketmq-client, rocketmq-commons
    Affects Versions: 4.1.0-incubating, 4.0.0-incubating
            Reporter: yubaofu
            Assignee: Xiaorui Wang
             Fix For: 4.2.0-incubating


if server hostname not in /etc/hosts, 
```org.apache.rocketmq.common.MixAll#localhost`` thorw UnknownHostException 



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