[jboss-user] [Beginners Corner] - JBoss throws UnknownHostException on startup

matwe do-not-reply at jboss.com
Thu Aug 31 03:30:07 EDT 2006


Hi,

I am really new to JBoss but I need it for an application at work. What I've done is downloaded and installed JBoss 4.0.1.sp1 and deployed an EAR-file in the server\default\deploy directory. When I launch JBoss I get the following error:

java.net.UnknownHostException: java.sun.com
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:153)
        at java.net.Socket.connect(Socket.java:452)
        at java.net.Socket.connect(Socket.java:402)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:139)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:402)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:618)
        at sun.net.www.http.HttpClient.(HttpClient.java:306)
        at sun.net.www.http.HttpClient.(HttpClient.java:267)
        at sun.net.www.http.HttpClient.New(HttpClient.java:339)
        at sun.net.www.http.HttpClient.New(HttpClient.java:320)
        at sun.net.www.http.HttpClient.New(HttpClient.java:315)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:521)
        at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:498)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:626)
        at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
        at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source)
        at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown Source)
        at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown Source)
        at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source)
        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
        at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
        at com.teamcenter.mld.jmx.ConfigurationListener.(ConfigurationListener.java:586)
        at com.teamcenter.mld.jmx.PlmSimpleMBeanFactory.(PlmSimpleMBeanFactory.java:195)
        at com.teamcenter.jeti.resourceadapter.spi.impl.ConnectionFactoryImpl.(ConnectionFactoryImpl.java:86)
        at com.teamcenter.jeti.resourceadapter.spi.impl.ManagedConnectionFactoryImpl.createConnectionFactory(ManagedConn
ectionFactoryImpl.java:127)
        at org.jboss.resource.connectionmanager.ConnectionFactoryBindingService.createConnectionFactory(ConnectionFactor
yBindingService.java:182)
        at org.jboss.resource.connectionmanager.ConnectionFactoryBindingService.startService(ConnectionFactoryBindingSer
vice.java:71)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:272)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:222)
        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:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:891)
        at $Proxy0.start(Unknown Source)
        at org.jboss.system.ServiceController.start(ServiceController.java:416)
        at org.jboss.system.ServiceController.start(ServiceController.java:438)
        at org.jboss.system.ServiceController.start(ServiceController.java:438)
        at org.jboss.system.ServiceController.start(ServiceController.java:438)
        at org.jboss.system.ServiceController.start(ServiceController.java:438)
        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
        at $Proxy31.start(Unknown Source)
        at org.jboss.deployment.SimpleSubDeployerSupport.startService(SimpleSubDeployerSupport.java:378)
        at org.jboss.deployment.SimpleSubDeployerSupport.start(SimpleSubDeployerSupport.java:141)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:964)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:956)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:775)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:738)
        at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:122)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:131)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
        at $Proxy8.deploy(Unknown Source)
        at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:305)
        at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:481)
        at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:20
4)
        at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:277)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:272)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:222)
        at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:891)
        at $Proxy0.start(Unknown Source)
        at org.jboss.system.ServiceController.start(ServiceController.java:416)
        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
        at $Proxy4.start(Unknown Source)
        at org.jboss.deployment.SARDeployer.start(SARDeployer.java:261)
        at org.jboss.deployment.MainDeployer.start(MainDeployer.java:964)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:775)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:738)
        at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:722)
        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:324)
        at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:122)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:131)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
        at $Proxy5.deploy(Unknown Source)
        at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:413)
        at org.jboss.system.server.ServerImpl.start(ServerImpl.java:310)
        at org.jboss.Main.boot(Main.java:162)
        at org.jboss.Main$1.run(Main.java:423)
        at java.lang.Thread.run(Thread.java:534)

Is this some class in my EAR trying to connect to the internet or is it some DTD validation (although I've turned off all DTD validation in JBoss)?

Please Help!!!

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