OS X上的mongod HostnameCanonicalizationWorker错误

问题描述

我刚刚通过自制软件安装了MOngoDB，并且想通过命令行mongod启动它.

I've just installed MOngoDB via homebrew und want to start it via command line mongod.

当我这样做时，我会收到以下消息:

When I do that, i'll get this message:

2016-03-05T19:23:55.763+0100 I CONTROL  [initandlisten] MongoDB starting : pid=52426 port=27017 dbpath=/data/db 64-bit host=Matthias-MBP
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] db version v3.2.3
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] git version: b326ba837cf6f49d65c2f85e1b70f6f31ece7937
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] allocator: system
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] modules: none
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] build environment:
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten]     distarch: x86_64
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten]     target_arch: x86_64
2016-03-05T19:23:55.764+0100 I CONTROL  [initandlisten] options: {}
2016-03-05T19:23:55.765+0100 I -        [initandlisten] Detected data files in /data/db created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
2016-03-05T19:23:55.765+0100 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=4G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),
2016-03-05T19:23:56.483+0100 I CONTROL  [initandlisten]
2016-03-05T19:23:56.483+0100 I CONTROL  [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
2016-03-05T19:23:56.486+0100 I NETWORK  [HostnameCanonicalizationWorker] Starting hostname canonicalization worker
2016-03-05T19:23:56.486+0100 I FTDC     [initandlisten] Initializing full-time diagnostic data capture with directory '/data/db/diagnostic.data'
2016-03-05T19:23:56.488+0100 I NETWORK  [initandlisten] waiting for connections on port 27017
2016-03-05T19:23:56.513+0100 W NETWORK  [HostnameCanonicalizationWorker] Failed to obtain address information for hostname Matthias-MBP: nodename nor servname provided, or not known

最后一行听起来不正确.有什么问题吗?

The last line doesn't sound correct. What is the problem?

推荐答案

日志的第一行说

MongoDB starting : pid=52426 port=27017 dbpath=/data/db 64-bit host=Matthias-MBP".

请注意主机名是Matthias-MBP，因此您可以在/etc/hosts文件中添加127.0.0.1 Matthias-MBP. Ctrl-C之后，重新运行mongod，该错误消息将消失.

Notice that host name is Matthias-MBP, so you can add 127.0.0.1 Matthias-MBP in /etc/hosts file. After Ctrl-C and re-run mongod, the error message will disappear.

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