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POEndless MongoDB ReplicaSetStatus updater exceptions using the Java driver in Spring
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  1. POEndless MongoDB ReplicaSetStatus updater exceptions using the Java driver in Spring
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    copied!<p>I just deployed a Spring web application onto Glassfish. This app contains an injected Spring bean for the Mongo object, which is pretty basic, it just looks like this: </p> <pre><code>&lt;bean id="mongo" class="com.mongodb.Mongo"&gt; &lt;constructor-arg value="127.0.0.1" /&gt; &lt;constructor-arg value="27017" /&gt; &lt;/bean&gt; </code></pre> <p>I fire up my web app, then use this Mongo object to query the db and insert records and whatnot.. and everything works fine.</p> <p>But in my server.log file I get and endless stream of <code>SEVERE</code> error messages. They are <code>NullPointerException</code>s and <code>IOException</code>s. They appear to have something to do with ReplicaSetStatus, but I don't know why it keeps trying to connect, is it turn on be default?</p> <p>Does anyone know what causes these? How can I fix the problem, or stop whatever is causing them?</p> <p>// EDIT: The exceptions start immediately after I deploy my application. But they do not stop when I disable my application, or even undeploy it.</p> <p>These messages just get written constantly, but from what I can see theres only 4 types of errors:</p> <pre><code>[#|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.&lt;init&gt;(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.&lt;init&gt;(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) |#] </code></pre>
 

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