node.js - mongojs [Error: connection closed ] -

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I am using mognojs version 0.7.2 and socket.io, and works fine, but when I query Does not the database for a while, possibly the connection time may expire, and when I try to recreate any query, the callback response is [error: connection closed]

I `M to add auto_reconnect, but I have the same error 

  var db = require (" mongojs "). Connect (databaseUrl, archive, {auto_reconnect: true});   
 Thank you for your help.   
 
 
 In version 0.7.7 there is no connection to the connection (server) option for the original mangodb driver layer Not forwarded. Your auto_reconnect is meaningless here, I am looking for solution to this problem

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