JDeveloper connections

I just installed application. I am trying to make a connection. It gives me connection refused:. It also does not let me logging to the Enterprise Manager, It seems to ask me for password. Which user name and password am I supposed to use?
Thanks,
Gus G.

Are you trying to create a connection to an app server, or to the database? What's the error message you get? Are you trying to create a connection from the connection navigator in JDeveloper 10g or something else?
-- Brian

Similar Messages

  • JDeveloper Connection to AS

    I have installed (and am evaluating) Oracle 9i AS. I want to connect to it from JDeveloper. AS and JDeveloper are on seperate machines.
    The Enterprise Manager shows OC4J to be up and running. If I execute "http://<ohs_host>:7777/j2ee/servlet/HelloWorldServlet" I get the proper response.
    But when I connect from JDeveloper to AS the connection fails.
    However, if on the server I execute on the command line: "java -jar oc4j.jar" then the connection from JDeveloper works. (I learned this trick from someone else, not from the manual.) But if I interrupt that process then the JDeveloper connection fails again.
    What is this oc4j.jar executable? Why won't JDeveloper connect without it? Why isn't it automatically part of the AS services? How can I get it to start with AS? Is there some config setting I need to change? Is it described somewhere in the documentation?
    Edward A. Ipser, Jr., PhD
    [email protected]
    www.ipserlab.com

    Hi all,
    I am using JDeveloper 10.1.3 for my development environment.
    I am able to deploy the EAR at development environment but at live site, I am getting error like Connection refused.
    I am using Oracle Application server 10.1.3 for deployment.
    I am getting frequent restarting problem of my application server and the logs are as follows...
    09/10/12 11:56:06 SEVERE: CoreRemoteMBeanServer.fetchMBeanServerEjbRemote Error reading application-client descriptor: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused] for URL: ormis://app3.mptax.net:12702/defaultjavax.naming.NamingException: Error reading application-client descriptor: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused] [Root exception is java.lang.InstantiationException: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]]
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getApplicationContext(ApplicationClientInitialContextFactory.java:127)
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getInitialContext(ApplicationClientInitialContextFactory.java:117)
         at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)
         at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247)
         at javax.naming.InitialContext.init(InitialContext.java:223)
         at javax.naming.InitialContext.<init>(InitialContext.java:197)
         at oracle.oc4j.admin.jmx.client.CoreRemoteMBeanServer.fetchMBeanServerEjbRemote(CoreRemoteMBeanServer.java:468)
         at oracle.oc4j.admin.jmx.client.CoreRemoteMBeanServer.<init>(CoreRemoteMBeanServer.java:161)
         at oracle.oc4j.admin.jmx.client.RemoteMBeanServer.<init>(RemoteMBeanServer.java:128)
         at oracle.oc4j.admin.jmx.client.RemoteMBeanServer.getMBeanServer(RemoteMBeanServer.java:158)
         at oracle.oc4j.admin.jmx.client.ClientMBeanServerProxyFactory.getMBeanServer(ClientMBeanServerProxyFactory.java:68)
         at oracle.oc4j.admin.jmx.remote.rmi.RMIJMXConnectorImpl.getConnector(RMIJMXConnectorImpl.java:190)
         at oracle.oc4j.admin.jmx.remote.JMXConnectorImpl.connect(JMXConnectorImpl.java:400)
         at oracle.oc4j.admin.topology.ConnectionRefImpl.getConnector(ConnectionRefImpl.java:241)
         at oracle.oc4j.admin.management.farm.mbeans.JVMAgr.getAttribute(JVMAgr.java:1378)
         at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)
         at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:239)
         at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1071)
         at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:953)
         at oracle.oc4j.admin.jmx.server.mbeans.model.DefaultModelMBeanImpl.invoke(DefaultModelMBeanImpl.java:700)
         at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213)
         at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
         at oracle.oc4j.admin.jmx.server.state.LocalizationFilterMBeanServer.invoke(LocalizationFilterMBeanServer.java:579)
         at oracle.oc4j.admin.jmx.distributed.MBeanServerDelegate.invoke(MBeanServerDelegate.java:495)
         at oracle.oc4j.admin.management.farm.mbeans.J2EEServerAgr.getAttribute(J2EEServerAgr.java:1599)
         at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)
         at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:239)
         at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1071)
         at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:953)
         at oracle.oc4j.admin.jmx.server.mbeans.model.DefaultModelMBeanImpl.invoke(DefaultModelMBeanImpl.java:700)
         at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213)
         at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
         at oracle.oc4j.admin.jmx.server.state.LocalizationFilterMBeanServer.invoke(LocalizationFilterMBeanServer.java:579)
         at oracle.sysman.ias.studio.jmx.spi.JMXConnectorImpl.invoke(JMXConnectorImpl.java:389)
         at oracle.sysman.ias.studio.j2ee.shared.jmx.oc4j.ClusterIASJMXUtil.getAttribute(ClusterIASJMXUtil.java:370)
         at oracle.sysman.ias.studio.setup.javasso.JMXJavaSSOConfAdminBean.isJssoConfigured(JMXJavaSSOConfAdminBean.java:1041)
         at oracle.sysman.ias.studio.setup.javasso.JavaSSOConfHelper.isJssoConfigured(JavaSSOConfHelper.java:802)
         at oracle.sysman.ias.studio.cluster.TopologyHelper.prepareData(TopologyHelper.java:1300)
         at oracle.sysman.ias.studio.sdk.AbstractController.prepareData(AbstractController.java:875)
         at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:391)
         at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:765)
         at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:283)
         at oracle.sysman.ias.studio.app.StudioConsole.doGet(StudioConsole.java:297)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
         at oracle.sysman.ias.studio.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:75)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
         at oracle.sysman.ias.studio.app.MultipleJVMFilter.doFilter(MultipleJVMFilter.java:85)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
         at oracle.sysman.ias.studio.app.PostLogonFilter.doFilter(PostLogonFilter.java:80)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
         at oracle.sysman.ias.studio.app.ShortHostnameRedirectFilter.doFilter(ShortHostnameRedirectFilter.java:68)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:619)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190)
         at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
         at java.lang.Thread.run(Thread.java:595)
    Caused by: java.lang.InstantiationException: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at com.oracle.naming.J2EEContext.create(J2EEContext.java:104)
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getApplicationContext(ApplicationClientInitialContextFactory.java:124)
         ... 77 more
    Caused by: oracle.oc4j.rmi.OracleRemoteException: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.lookupResourceFinder(ApplicationClientResourceFinder.java:110)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getFinder(ApplicationClientResourceFinder.java:123)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getLocation(ApplicationClientResourceFinder.java:75)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getEjbBinding(ApplicationClientResourceFinder.java:38)
         at com.oracle.naming.J2EEContext.addEJBReferenceEntries(J2EEContext.java:515)
         at com.oracle.naming.J2EEContext.create(J2EEContext.java:97)
         ... 78 more
    Caused by: javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at com.evermind.server.rmi.RMIClient.lookup(RMIClient.java:292)
         at com.evermind.server.rmi.RMIClientContext.lookup(RMIClientContext.java:51)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.lookupResourceFinder(ApplicationClientResourceFinder.java:101)
         ... 83 more
    Caused by: java.io.IOException: Connection refused
         at com.evermind.server.rmi.RMIClientConnection.createSecureSocket(RMIClientConnection.java:703)
         at com.evermind.server.rmi.RMIClientConnection.createSocket(RMIClientConnection.java:678)
         at oracle.oc4j.rmi.ClientSocketRmiTransport.createNetworkConnection(ClientSocketRmiTransport.java:58)
         at oracle.oc4j.rmi.ClientRmiTransport.connectToServer(ClientRmiTransport.java:78)
         at oracle.oc4j.rmi.ClientSocketRmiTransport.connectToServer(ClientSocketRmiTransport.java:68)
         at com.evermind.server.rmi.RMIClientConnection.connect(RMIClientConnection.java:646)
         at com.evermind.server.rmi.RMIClientConnection.sendLookupRequest(RMIClientConnection.java:190)
         at com.evermind.server.rmi.RMIClientConnection.lookup(RMIClientConnection.java:174)
         at com.evermind.server.rmi.RMIClient.lookup(RMIClient.java:283)
         ... 85 more
    09/10/12 12:00:05 SEVERE: CoreRemoteMBeanServer.fetchMBeanServerEjbRemote Error reading application-client descriptor: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused] for URL: ormis://app3.mptax.net:12702/defaultjavax.naming.NamingException: Error reading application-client descriptor: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused] [Root exception is java.lang.InstantiationException: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]]
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getApplicationContext(ApplicationClientInitialContextFactory.java:127)
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getInitialContext(ApplicationClientInitialContextFactory.java:117)
         at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)
         at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247)
         at javax.naming.InitialContext.init(InitialContext.java:223)
         at javax.naming.InitialContext.<init>(InitialContext.java:197)
         at oracle.oc4j.admin.jmx.client.CoreRemoteMBeanServer.fetchMBeanServerEjbRemote(CoreRemoteMBeanServer.java:468)
         at oracle.oc4j.admin.jmx.client.CoreRemoteMBeanServer.<init>(CoreRemoteMBeanServer.java:161)
         at oracle.oc4j.admin.jmx.client.RemoteMBeanServer.<init>(RemoteMBeanServer.java:128)
         at oracle.oc4j.admin.jmx.client.RemoteMBeanServer.getMBeanServer(RemoteMBeanServer.java:158)
         at oracle.oc4j.admin.jmx.client.ClientMBeanServerProxyFactory.getMBeanServer(ClientMBeanServerProxyFactory.java:68)
         at oracle.oc4j.admin.jmx.remote.rmi.RMIJMXConnectorImpl.getConnector(RMIJMXConnectorImpl.java:190)
         at oracle.oc4j.admin.jmx.remote.JMXConnectorImpl.connect(JMXConnectorImpl.java:400)
         at oracle.oc4j.admin.topology.ConnectionRefImpl.getConnector(ConnectionRefImpl.java:241)
         at oracle.oc4j.admin.management.farm.mbeans.JVMAgr.getAttribute(JVMAgr.java:1378)
         at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)
         at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:239)
         at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1071)
         at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:953)
         at oracle.oc4j.admin.jmx.server.mbeans.model.DefaultModelMBeanImpl.invoke(DefaultModelMBeanImpl.java:700)
         at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213)
         at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
         at oracle.oc4j.admin.jmx.server.state.LocalizationFilterMBeanServer.invoke(LocalizationFilterMBeanServer.java:579)
         at oracle.oc4j.admin.jmx.distributed.MBeanServerDelegate.invoke(MBeanServerDelegate.java:495)
         at oracle.oc4j.admin.management.farm.mbeans.J2EEServerAgr.getAttribute(J2EEServerAgr.java:1599)
         at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)
         at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:585)
         at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:239)
         at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1071)
         at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:953)
         at oracle.oc4j.admin.jmx.server.mbeans.model.DefaultModelMBeanImpl.invoke(DefaultModelMBeanImpl.java:700)
         at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213)
         at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
         at oracle.oc4j.admin.jmx.server.state.LocalizationFilterMBeanServer.invoke(LocalizationFilterMBeanServer.java:579)
         at oracle.sysman.ias.studio.jmx.spi.JMXConnectorImpl.invoke(JMXConnectorImpl.java:389)
         at oracle.sysman.ias.studio.j2ee.shared.jmx.oc4j.ClusterIASJMXUtil.getAttribute(ClusterIASJMXUtil.java:370)
         at oracle.sysman.ias.studio.setup.javasso.JMXJavaSSOConfAdminBean.isJssoConfigured(JMXJavaSSOConfAdminBean.java:1041)
         at oracle.sysman.ias.studio.setup.javasso.JavaSSOConfHelper.isJssoConfigured(JavaSSOConfHelper.java:802)
         at oracle.sysman.ias.studio.cluster.TopologyHelper.prepareData(TopologyHelper.java:1300)
         at oracle.sysman.ias.studio.sdk.AbstractController.prepareData(AbstractController.java:875)
         at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:391)
         at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:765)
         at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:283)
         at oracle.sysman.ias.studio.app.StudioConsole.doGet(StudioConsole.java:297)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
         at oracle.sysman.ias.studio.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:75)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
         at oracle.sysman.ias.studio.app.MultipleJVMFilter.doFilter(MultipleJVMFilter.java:85)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
         at oracle.sysman.ias.studio.app.PostLogonFilter.doFilter(PostLogonFilter.java:80)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
         at oracle.sysman.ias.studio.app.ShortHostnameRedirectFilter.doFilter(ShortHostnameRedirectFilter.java:68)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:619)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190)
         at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
         at java.lang.Thread.run(Thread.java:595)
    Caused by: java.lang.InstantiationException: Error communicating with server: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at com.oracle.naming.J2EEContext.create(J2EEContext.java:104)
         at oracle.j2ee.naming.ApplicationClientInitialContextFactory.getApplicationContext(ApplicationClientInitialContextFactory.java:124)
         ... 77 more
    Caused by: oracle.oc4j.rmi.OracleRemoteException: Connection refused; nested exception is:
         javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.lookupResourceFinder(ApplicationClientResourceFinder.java:110)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getFinder(ApplicationClientResourceFinder.java:123)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getLocation(ApplicationClientResourceFinder.java:75)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.getEjbBinding(ApplicationClientResourceFinder.java:38)
         at com.oracle.naming.J2EEContext.addEJBReferenceEntries(J2EEContext.java:515)
         at com.oracle.naming.J2EEContext.create(J2EEContext.java:97)
         ... 78 more
    Caused by: javax.naming.CommunicationException: Connection refused [Root exception is java.io.IOException: Connection refused]
         at com.evermind.server.rmi.RMIClient.lookup(RMIClient.java:292)
         at com.evermind.server.rmi.RMIClientContext.lookup(RMIClientContext.java:51)
         at oracle.oc4j.deployment.ApplicationClientResourceFinder.lookupResourceFinder(ApplicationClientResourceFinder.java:101)
         ... 83 more
    Caused by: java.io.IOException: Connection refused
         at com.evermind.server.rmi.RMIClientConnection.createSecureSocket(RMIClientConnection.java:703)
         at com.evermind.server.rmi.RMIClientConnection.createSocket(RMIClientConnection.java:678)
         at oracle.oc4j.rmi.ClientSocketRmiTransport.createNetworkConnection(ClientSocketRmiTransport.java:58)
         at oracle.oc4j.rmi.ClientRmiTransport.connectToServer(ClientRmiTransport.java:78)
         at oracle.oc4j.rmi.ClientSocketRmiTransport.connectToServer(ClientSocketRmiTransport.java:68)
         at com.evermind.server.rmi.RMIClientConnection.connect(RMIClientConnection.java:646)
         at com.evermind.server.rmi.RMIClientConnection.sendLookupRequest(RMIClientConnection.java:190)
         at com.evermind.server.rmi.RMIClientConnection.lookup(RMIClientConnection.java:174)
         at com.evermind.server.rmi.RMIClient.lookup(RMIClient.java:283)
         ... 85 more
    Please help me out,
    Thanks,
    RGB Team

  • JDeveloper connect ok, but not getConnection

    Hi all, I am working on my first java program with JDeveloper. I was able to connect to my local Oracle9i database successfully, but when I tried to connect it in the program, I got "ORA-06401: NETCMN: invalid driver designator".
    *** Here is the export from my JDeveloper connection *****
    <?xml version = '1.0'?>
    <!DOCTYPE connections>
    <connections>
    <connection>
    <JDBC_PORT>1521</JDBC_PORT>
    <ConnectionType>JDBC</ConnectionType>
    <HOSTNAME>localhost</HOSTNAME>
    <user>SCOTT</user>
    <ConnectionName>Connection1</ConnectionName>
    <SID>CIS</SID>
    <JdbcDriver>oracle.jdbc.driver.OracleDriver</JdbcDriver>
    <password>tiger</password>
    <ORACLE_JDBC_TYPE>oci8</ORACLE_JDBC_TYPE>
    </connection>
    </connections>
    **** Here is my connection codes in program ******
    DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
    conn = DriverManager.getConnection ("jdbc:oracle:oci8:@localhost.1521:CIS", "scott", "tiger");
    Thanks in advance for your help.
    Chris

    For using the 'thin' driver
    <ORACLE_JDBC_TYPE>thin</ORACLE_JDBC_TYPE>
    conn = DriverManager.getConnection ("jdbc:oracle:thin:@localhost.1521:CIS", "scott", "tiger");
    If you want to use the thick-oci driver the connection string will be of the format
    conn = DriverManager.getConnection ("jdbc:oracle:oci8:@tns_entry_name", "scott", "tiger");
    Regards
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