我有一台运行 JBoss 7.1 和 MongoDB 2.2.0 的 Windows Server 2008 机器。有时，在这台机器上使用 arquillian 进行单元测试时，我会从 MongoDB 收到错误：
08:07:36,789 ERROR [some.class] (pool-8-thread-18) com.mongodb.MongoException$Network: can't call something : /127.0.0.1:27017/someCollection
at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:226) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:313) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DB.command(DB.java:174) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DB.command(DB.java:158) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DB.command(DB.java:198) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBCollection.getCount(DBCollection.java:899) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBCollection.getCount(DBCollection.java:870) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBCollection.count(DBCollection.java:825) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.gridfs.GridFS.<init>(GridFS.java:93) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at some.Someclass.doSomething(SomeClass.java:623) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:127) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:135) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:82) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInCallerTx(CMTTxInterceptor.java:202) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:306) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:190) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:32) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]
at de.cluetec.catalogueRepository.dao.CatalogueManagementDAOBean$$$view9.storeMediaData(Unknown Source) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:111) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:105) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at de.cluetec.catalogueRepository.dao.CatalogueManagementDAOBean$Proxy$_$$_Weld$Proxy$.storeMediaData(CatalogueManagementDAOBean$Proxy$_$$_Weld$Proxy$.java) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at de.cluetec.catalogueRepository.dao.CatalogueManagementTest.testDeleteCatalogueElements(CatalogueManagementTest.java:748) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) [arquillian-service:]
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) [arquillian-service:]
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$6$1.invoke(Arquillian.java:270) [arquillian-service:]
at org.jboss.arquillian.container.test.impl.execution.LocalTestExecuter.execute(LocalTestExecuter.java:60) [arquillian-service:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81) [arquillian-service:]
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135) [arquillian-service:]
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67) [arquillian-service:]
at org.jboss.arquillian.container.test.impl.execution.ContainerTestExecuter.execute(ContainerTestExecuter.java:38) [arquillian-service:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81) [arquillian-service:]
at org.jboss.arquillian.test.impl.TestContextHandler.createTestContext(TestContextHandler.java:89) [arquillian-service:]
at sun.reflect.GeneratedMethodAccessor159.invoke(Unknown Source) [:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88) [arquillian-service:]
at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75) [arquillian-service:]
at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source) [:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88) [arquillian-service:]
at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60) [arquillian-service:]
at sun.reflect.GeneratedMethodAccessor157.invoke(Unknown Source) [:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94) [arquillian-service:]
at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88) [arquillian-service:]
at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135) [arquillian-service:]
at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.test(EventTestRunnerAdaptor.java:111) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$6.evaluate(Arquillian.java:263) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$4.evaluate(Arquillian.java:226) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$5.evaluate(Arquillian.java:240) [arquillian-service:]
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) [arquillian-service:]
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) [arquillian-service:]
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) [arquillian-service:]
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) [arquillian-service:]
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) [arquillian-service:]
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) [arquillian-service:]
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) [arquillian-service:]
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:185) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:199) [arquillian-service:]
at org.junit.runners.ParentRunner.run(ParentRunner.java:300) [arquillian-service:]
at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:147) [arquillian-service:]
at org.junit.runner.JUnitCore.run(JUnitCore.java:157) [arquillian-service:]
at org.junit.runner.JUnitCore.run(JUnitCore.java:136) [arquillian-service:]
at org.jboss.arquillian.junit.container.JUnitTestRunner.execute(JUnitTestRunner.java:65) [arquillian-service:]
at org.jboss.arquillian.protocol.jmx.JMXTestRunner.runTestMethodInternal(JMXTestRunner.java:128) [arquillian-service:]
at org.jboss.arquillian.protocol.jmx.JMXTestRunner.runTestMethod(JMXTestRunner.java:107) [arquillian-service:]
at org.jboss.as.arquillian.service.ArquillianService$ExtendedJMXTestRunner.runTestMethod(ArquillianService.java:226) [arquillian-service:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.PerInterface.invoke(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.MBeanSupport.invoke(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Unknown Source) [rt.jar:1.6.0_25]
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Unknown Source) [rt.jar:1.6.0_25]
at org.jboss.as.jmx.PluggableMBeanServerImpl$TcclMBeanServer.invoke(PluggableMBeanServerImpl.java:498)
at org.jboss.as.jmx.PluggableMBeanServerImpl.invoke(PluggableMBeanServerImpl.java:246)
at org.jboss.remotingjmx.protocol.v1.ServerProxy$InvokeHandler.handle(ServerProxy.java:1034)
at org.jboss.remotingjmx.protocol.v1.ServerProxy$MessageReciever$1.run(ServerProxy.java:215)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) [rt.jar:1.6.0_25]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.6.0_25]
at java.lang.Thread.run(Unknown Source) [rt.jar:1.6.0_25]
Caused by: 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:222) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBPort.go(DBPort.java:111) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBPort.call(DBPort.java:78) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:217) [3cdb2ec6-2136-422e-b4ca-28508d3911be.jar:]
... 158 more
此错误仅有时会发生。我不知道该怎么办了。我尝试重新安装 mongodb，将其显式绑定到 127.0.0.1。似乎没有任何效果。有什么建议么？