title: Exception while connecting to MongoDB using spring data
body: <p>I am trying to connect to a <code>MongoDB</code> instance from my testcases. I am getting the below error...</p>
  
  <p><code>Mongo</code> process is up and running. Any thoughts on the error reason?</p>
  
  <pre><code>org.springframework.dao.DataAccessResourceFailureException: can't call something : localhost:12346/test; nested exception is com.mongodb.MongoException$Network: can't call something : localhost:12346/test
      at org.springframework.data.mongodb.core.MongoExceptionTranslator.translateExceptionIfPossible(MongoExceptionTranslator.java:56)
      at org.springframework.data.mongodb.core.MongoTemplate.potentiallyConvertRuntimeException(MongoTemplate.java:1644)
      at org.springframework.data.mongodb.core.MongoTemplate.executeFindOneInternal(MongoTemplate.java:1507)
      at org.springframework.data.mongodb.core.MongoTemplate.doFindOne(MongoTemplate.java:1309)
      at org.springframework.data.mongodb.core.MongoTemplate.findOne(MongoTemplate.java:489)
      at org.springframework.data.mongodb.core.MongoTemplate.findOne(MongoTemplate.java:484)
      at org.springframework.data.mongodb.repository.query.AbstractMongoQuery$SingleEntityExecution.execute(AbstractMongoQuery.java:202)
      at org.springframework.data.mongodb.repository.query.AbstractMongoQuery.execute(AbstractMongoQuery.java:90)
      at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:313)
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
      at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
      at $Proxy69.findById(Unknown Source)
      at com.test.ServiceImpl.save(ServiceImpl.java:58)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
      at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
      at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
      at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
      at $Proxy71.save(Unknown Source)
      at com.SearchTestCase.setUp(SearchTestCase.java:50)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
      at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:564)
      at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
      at org.testng.internal.Invoker.invokeMethod(Invoker.java:653)
      at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
      at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
      at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
      at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
      at org.testng.TestRunner.privateRun(TestRunner.java:767)
      at org.testng.TestRunner.run(TestRunner.java:617)
      at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
      at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
      at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
      at org.testng.SuiteRunner.run(SuiteRunner.java:240)
      at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
      at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
      at org.testng.TestNG.runSuitesSequentially(TestNG.java:1197)
      at org.testng.TestNG.runSuitesLocally(TestNG.java:1122)
      at org.testng.TestNG.run(TestNG.java:1030)
      at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
      at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
      at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
  Caused by: com.mongodb.MongoException$Network: can't call something : localhost:12346/test
      at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:227)
      at com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:305)
      at com.mongodb.DBCollection.findOne(DBCollection.java:647)
      at com.mongodb.DBCollection.findOne(DBCollection.java:626)
      at org.springframework.data.mongodb.core.MongoTemplate$FindOneCallback.doInCollection(MongoTemplate.java:1699)
      at org.springframework.data.mongodb.core.MongoTemplate$FindOneCallback.doInCollection(MongoTemplate.java:1684)
      at org.springframework.data.mongodb.core.MongoTemplate.executeFindOneInternal(MongoTemplate.java:1503)
      ... 48 more
  Caused by: java.net.SocketException: Connection reset by peer: socket write error
      at java.net.SocketOutputStream.socketWrite0(Native Method)
      at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
      at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
      at org.bson.io.PoolOutputBuffer.pipe(PoolOutputBuffer.java:129)
      at com.mongodb.OutMessage.pipe(OutMessage.java:111)
      at com.mongodb.DBPort.go(DBPort.java:119)
      at com.mongodb.DBPort.call(DBPort.java:79)
      at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:218)
      ... 54 more
  </code></pre>