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我对 nodejs 很陌生，并且遇到了麻烦。我使用statsd收集统计数据，然后将它们发送到mongodb服务器进行存储，但是当我将statsd的计时器数据发送到mongodb时，我遇到了这个问题。

/home/cadofa/node_modules/mongo-statsd-
backend/node_modules/mongodb/lib/mongodb/connection/base.js:245
        throw message;      
              ^
TypeError: Cannot call method 'insert' of null
    at /home/cadofa/node_modules/mongo-statsd-backend/lib/index.js:161:15
    at /home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/db.js:1011:22
    at /home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/db.js:1130:16
    at /home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/db.js:1846:9
    at Server.Base._callHandler (/home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/connection/base.js:445:41)
    at /home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/connection/server.js:478:18
    at MongoReply.parseBody (/home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/responses/mongo_reply.js:68:5)
    at null.<anonymous> (/home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/connection/server.js:436:20)
    at EventEmitter.emit (events.js:95:17)
    at null.<anonymous> (/home/cadofa/node_modules/mongo-statsd-
    backend/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:201:13)

谁能告诉我如何解决这个问题，非常感谢！

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2 回答 2

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答案就在这里，现在已经在github中修复了。 https://github.com/dynmeth/mongo-statsd-backend/pull/8/files

于 2014-08-13T03:51:21.707 回答
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确保您已连接到 mongodb 服务器。看来你有一个空连接！

于 2014-06-17T04:34:50.913 回答