cdh安装异常bad incoming host name

spark | 2020-10-15 09:40:23

1.案发现场

cloudera manager安装过程中，主机安装agent后，cloudera manager界面无法显示主机，查看server的日志报错如下：

ERROR avro-servlet-hb-processor-13:com.cloudera.server.cmf.AgentProtocolImpl: Dropped heartbeat from a known host master122 with bad incoming host name slave123 since 2020-10-09T07:46:34.178Z.

2.错误原因

我的是因为批量安装，可能导致了哪个地方设置的hostname错误。

3.解决方法

重新安装agent解决问题

#将对应机器上的agent服务删掉，并且删除所有残留文件（必须要删残留文件）重新安装即可。
yum remove cloudera-manager-agent-6.3.1-1466458.el7.x86_64 
find / -name cloudera-scm-agent 
rm -rf /etc/cloudera-scm-agent 
rm -rf /var/lib/cloudera-scm-agent 
rm -rf /var/log/cloudera-scm-agent 

#重新安装启动agent
yum install cloudera-manager-agent-6.2.0-1281944.el7.x86_64.rpm
systemctl start cloudera-scm-agent
systemctl enable cloudera-scm-agent

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