Temporary failure in name resolution

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本文详细介绍了在启动nexuswar包时遇到的错误及其解决方案。首先因localhost.localdomain无法解析，通过修改/etc/hosts文件添加localhost.localdomain条目解决。随后因DNS解析问题导致的HealthCheck任务失败，通过修改/etc/resolv.conf文件添加公司内网DNS地址解决。

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在启动nexus war包时出现以下提示错误

2016-05-04 13:50:12 ERROR [main] - net.sf.ehcache.Cache - Unable to set localhost. This prevents creation of a GUID. Cause was: localhost.localdomain: localhost.localdomain: Temporary failure in name resolution

java.net.UnknownHostException: localhost.localdomain: localhost.localdomain: Temporary failure in name resolution

此处是因为localhost.localdomain无法解析造成的，此时修改/etc/hosts，添加如下行解决

127.0.0.1 localhost.localdomain localhost

之后又出现以下错误

2016-05-04 14:08:58 WARN [pxpool-1-thread-1] Task-User com.sonatype.nexus.plugins.healthcheck.task.HealthCheckTask - Scheduled task (Health Check: Beijing-Release) failed :: Health Check Management for Repository Beijing-Release (started 2016-05-04T14:08:32+08:00, runtime 0:00:26.168)

java.net.UnknownHostException: rhc.sonatype.com: Temporary failure in name resolution

此时是因为dns解析相应配置地址出错造成的，修改/etc/resolv.conf，添加公司内网dns解析地址解决