MongoDB 实例未启动答案

【问题标题】：MongoDB instance not startingMongoDB 实例未启动
【发布时间】：2015-03-15 05:59:13
【问题描述】：

我已经在 Mac OSX 上安装了 MongoDB。当我执行mongod 时，它不会启动任何连接；相反，它显示下面的输出。有人可以帮我解决这个问题吗

$ mongod
mongod --help for help and startup options
2015-01-16T09:57:18.994-0500 [initandlisten] MongoDB starting : pid=1571 port=27017 dbpath=/data/db 64-bit host=3c15c2e72774
2015-01-16T09:57:18.995-0500 [initandlisten] 
2015-01-16T09:57:18.995-0500 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
2015-01-16T09:57:18.995-0500 [initandlisten] db version v2.6.7
2015-01-16T09:57:18.995-0500 [initandlisten] git version: nogitversion
2015-01-16T09:57:18.995-0500 [initandlisten] build info: Darwin minimavericks.local 13.4.0 Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014; root:xnu-2422.115.4~1/RELEASE_X86_64 x86_64 BOOST_LIB_VERSION=1_49
2015-01-16T09:57:18.995-0500 [initandlisten] allocator: tcmalloc
2015-01-16T09:57:18.995-0500 [initandlisten] options: {}
2015-01-16T09:57:18.996-0500 [initandlisten] journal dir=/data/db/journal
2015-01-16T09:57:18.996-0500 [initandlisten] recover : no journal files present, no recovery needed
2015-01-16T09:57:19.056-0500 [initandlisten] bad .ns file: /data/db/local.ns
2015-01-16T09:57:19.056-0500 [initandlisten] warning database /data/db local could not be opened
2015-01-16T09:57:19.056-0500 [initandlisten] DBException 10079: bad .ns file length, cannot open database
2015-01-16T09:57:19.056-0500 [initandlisten] exception in initAndListen: 10079 bad .ns file length, cannot open database, terminating
2015-01-16T09:57:19.056-0500 [initandlisten] dbexit: 
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: going to close listening sockets...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: going to flush diaglog...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: going to close sockets...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: waiting for fs preallocator...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: lock for final commit...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: final commit...
2015-01-16T09:57:19.056-0500 [initandlisten] shutdown: closing all files...
2015-01-16T09:57:19.056-0500 [initandlisten] closeAllFiles() finished
2015-01-16T09:57:19.056-0500 [initandlisten] journalCleanup...
2015-01-16T09:57:19.060-0500 [initandlisten] removeJournalFiles
2015-01-16T09:57:19.060-0500 [initandlisten] shutdown: removing fs lock...
2015-01-16T09:57:19.060-0500 [initandlisten] dbexit: really exiting now

【问题讨论】：

您是否创建了文件夹 data/db？好像不太喜欢
是的，我创建了文件夹
嗨，chridam，我的问题是 initAndListen 中的异常：10079 bad .ns file length, cannot open database, termination 如何解决这个问题
从您的数据文件夹中删除损坏的foo.ns 文件和foo.0, foo.1,...。使用brew services restart mongodb 重新启动 mongo 服务器，您应该一切顺利。
嗨 chidram 可以告诉我如何找到 foo.ns 文件

标签： mongodb connection

【解决方案1】：

删除 /data/db 中所有旧的或损坏的 .ns 文件，然后重新启动 mongodb

【讨论】：

【解决方案2】：

我遇到了这个问题。我通过使用 Virtual Box 增加副本的内存大小来解决它。

【讨论】：