在Spring中使用Java驱动程序的无限MongoDB ReplicaSetStatus更新程序异常

Question

我刚刚将一个Spring Web应用程序部署到Glassfish上.这个应用程序包含一个为Mongo对象注入的Spring bean,这是非常基本的,它看起来像这样:

<bean id="mongo" class="com.mongodb.Mongo">
    <constructor-arg value="127.0.0.1" />
    <constructor-arg value="27017" />
</bean>

我启动我的网络应用程序,然后使用这个Mongo对象查询数据库并插入记录等等..一切正常.

但是在我的server.log文件中,我得到了无穷无尽的SEVERE错误消息.他们是NullPointerExceptions和IOExceptions.它们似乎与ReplicaSetStatus有关,但我不知道它为什么一直试图连接,它是否默认开启？

有谁知道是什么原因引起的？我该如何解决问题,或者阻止导致问题的原因？

//编辑:部署应用程序后立即启动异常.但是当我禁用我的应用程序,甚至取消部署它们时,它们不会停止.

这些消息只是不断编写,但从我看到的只有4种类型的错误:

[#|2011-04-22T17:49:40.818+0900|SEVERE|glassfish3.1|com.mongodb.ReplicaSetStatus|_ThreadID=37;_ThreadName=Thread-1;|can't update node: 27017:27017
java.lang.NullPointerException
    at com.mongodb.OutMessage.reset(OutMessage.java:73)
    at com.mongodb.OutMessage.<init>(OutMessage.java:51)
    at com.mongodb.OutMessage.query(OutMessage.java:38)
    at com.mongodb.DBPort.findOne(DBPort.java:127)
    at com.mongodb.DBPort.runCommand(DBPort.java:138)
    at com.mongodb.ReplicaSetStatus$Node.update(ReplicaSetStatus.java:149)
    at com.mongodb..updateAll(ReplicaSetStatus.java:314)
    at com.mongodb.ReplicaSetStatus$Updater.run(ReplicaSetStatus.java:263)
|#]

[#|2011-04-22T17:49:40.818+0900|SEVERE|glassfish3.1|com.mongodb.ReplicaSetStatus|_ThreadID=37;_ThreadName=Thread-1;|can't update node: localhost:27017
java.lang.NullPointerException
    at com.mongodb.OutMessage.reset(OutMessage.java:73)
    at com.mongodb.OutMessage.<init>(OutMessage.java:51)
    at com.mongodb.OutMessage.query(OutMessage.java:38)
    at com.mongodb.DBPort.findOne(DBPort.java:127)
    at com.mongodb.DBPort.runCommand(DBPort.java:138)
    at com.mongodb.ReplicaSetStatus$Node.update(ReplicaSetStatus.java:149)
    at com.mongodb.ReplicaSetStatus.updateAll(ReplicaSetStatus.java:314)
    at com.mongodb.ReplicaSetStatus.ensureMaster(ReplicaSetStatus.java:306)
    at com.mongodb.DBTCPConnector.checkMaster(DBTCPConnector.java:383)
    at com.mongodb.ReplicaSetStatus$Updater.run(ReplicaSetStatus.java:275)
|#]

[#|2011-04-22T17:49:41.676+0900|SEVERE|glassfish3.1|com.mongodb.ReplicaSetStatus|_ThreadID=48;_ThreadName=Thread-1;|can't update node: 127.0.0.1:27017
java.io.IOException: couldn't connect to [/127.0.0.1:27017] bc:java.net.ConnectException: Connection refused: connect
    at com.mongodb.DBPort._open(DBPort.java:206)
    at com.mongodb.DBPort.go(DBPort.java:94)
    at com.mongodb.DBPort.go(DBPort.java:75)
    at com.mongodb.DBPort.findOne(DBPort.java:129)
    at com.mongodb.DBPort.runCommand(DBPort.java:138)
    at com.mongodb.ReplicaSetStatus$Node.update(ReplicaSetStatus.java:149)
    at com.mongodb.ReplicaSetStatus.updateAll(ReplicaSetStatus.java:314)
    at com.mongodb.ReplicaSetStatus.ensureMaster(ReplicaSetStatus.java:306)
    at com.mongodb.DBTCPConnector.checkMaster(DBTCPConnector.java:383)
    at com.mongodb.ReplicaSetStatus$Updater.run(ReplicaSetStatus.java:275)
|#]

[#|2011-04-22T17:49:41.676+0900|SEVERE|glassfish3.1|com.mongodb.ReplicaSetStatus|_ThreadID=48;_ThreadName=Thread-1;|can't update node: 27017:27017
java.io.IOException: couldn't connect to [/0.0.105.137:27017] bc:java.net.SocketException: Network is unreachable: connect
    at com.mongodb.DBPort._open(DBPort.java:206)
    at com.mongodb.DBPort.go(DBPort.java:94)
    at com.mongodb.DBPort.go(DBPort.java:75)
    at com.mongodb.DBPort.findOne(DBPort.java:129)
    at com.mongodb.DBPort.runCommand(DBPort.java:138)
    at com.mongodb.ReplicaSetStatus$Node.update(ReplicaSetStatus.java:149)
    at com.mongodb.ReplicaSetStatus.updateAll(ReplicaSetStatus.java:314)
    at com.mongodb.ReplicaSetStatus.ensureMaster(ReplicaSetStatus.java:306)
    at com.mongodb.DBTCPConnector.checkMaster(DBTCPConnector.java:383)
    at com.mongodb.ReplicaSetStatus$Updater.run(ReplicaSetStatus.java:275)
|#]

Answer 1

在Spring上下文文件中更改Mongo bean定义,如下所示:

    <constructor-arg value="${db.host}" type="java.lang.String" />
    <constructor-arg value="${db.port}" type="int" />

如果省略类型属性,则调用另一个Mongo类构造函数,其中arguments是com.mongodb.ServerAddress类型的实例,27017被视为主机名,InetAddress.getAllByName(host)解析为此IP 0.0.105.137.