huijunwu commented on issue #3477: stmgr coredump URL: https://github.com/apache/incubator-heron/issues/3477#issuecomment-604128685 > ![image](https://user-images.githubusercontent.com/357785/77176030-d540f000-6b06-11ea-867e-ae7c4ab4fbfa.png) > my case if you use MacOs, you may add the hostname to /etc/hosts besides localhost
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