java连接mongod抛java.net.SocketTimeoutException: connect timed out异常(2015-11-07 20:29:58)
為什么80%的碼農都做不了架構師?>>> ??
背景:本機的eclipse項目訪問操作安裝在本機虛擬機ContOS6.5系統上的MongoDB
最近在用java連接mongod的時候拋這個異常,后面發現是由于mongod的配置不對,一是mongod的配置文件中沒有修改綁定的IP,使得外網無法訪問。二是沒有修改防火墻規則,27017端口沒有對外開放。
com.mongodb.MongoSocketOpenException: Exception opening socket
??? at com.mongodb.connection.SocketStream.open(SocketStream.java:63)
??? at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:114)
??? at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:127)
??? at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: connect timed out
??? at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
??? at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
??? at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
??? at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
??? at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
??? at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
??? at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
??? at java.net.Socket.connect(Socket.java:589)
??? at com.mongodb.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:50)
??? at com.mongodb.connection.SocketStream.open(SocketStream.java:58)
??? ... 3 more
解決方法分兩步
1、修改mongod的配置文件
#vi /etc/mongod.conf
修改
bindIp: 127.0.0.1 # Listen to local interface only, comment to listen on all interfaces.
為
bindIp: 192.168.5.128? # Listen to local interface only, comment to listen on all interfaces.
就是把本地IP改為服務器的IP,需要注意的是bindIp:后面有一個空格,修改后記得重啟mongod
2、修改防火墻規則,增加27017端口
# vi /etc/sysconfig/iptables
增加-A INPUT -m state --state NEW -m tcp -p tcp --dport 27017 -j ACCEPT后重啟防火墻即可。
轉載于:https://my.oschina.net/dreyer/blog/527503
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