Dependency injection across enterprise applications is possible?

Hi All ,
I am working on EJB3.0. I want to know if we can use dependency injection across application?
I have
1.  jpadc  having all JPA classes and 1 jpaAppl enterprise application having only jpadc
2.  session1dc and session1Appl enterprise application for session1dc
3.  session2dc and session2Appl enterprise application for session2dc
I want to use jpa classes and sesisonbean classes from jpadc and session2dc respectively
inside session2dc. is it possible? i tried but i am not able to d odependency injection
Please let me know if this is possible?
Thnx in advance
Regards
Kavita

Hi Kavita,
Yes, you can use dependency injection. For more information, refer to this document:
http://help.sap.com/saphelp_nwce711/helpdata/en/44/bf6e9344751eaae10000000a1553f6/frameset.htm
If you need information related to the JPA part, read this:
http://help.sap.com/saphelp_nwce711/helpdata/en/46/307a2a50094f09e10000000a114a6b/frameset.htm
Best regards,
Ekaterina

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        public String getHello2() {
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    There is no problem looking up Hello2 Bean using an Application Client such as the following:
    public class LocalHelloApplicationClient {
        @EJB(name="Hello2")
        private static Hello2Remote hello2Bean;
        public static void main(String[] args) {
            System.out.println("hello2Bean.getHello2(): " + hello2Bean.getHello2());
    }There is also no problem doing JNDI lookup (from a Stand-Alone Client the same bean if both Hello1 and Hello2 were created by themselves. ie not part of an Enterprise Application (EAR) build. However, I am wondering whether it is possible to do JNDI lookup of the same bean (Hello2) that is part of an Enterprise Application (EAR) built. Below are the type of JNDI lookup entries that I have tried without success:
    public class StandalonePojoCallHelloWorld {
        public static void main(String [] args)
            try
                InitialContext jndiContext = new InitialContext();
                Hello2Remote hello2Bean =  (Hello2Remote) jndiContext.lookup("ejb.Hello2Remote");
                                                                     or
                Hello2Remote hello2Bean =  (Hello2Remote) jndiContext.lookup("LocalHelloEnterpriseApplication.Hello2.remote");
                                                                     or
                Hello2Remote hello2Bean =  (Hello2Remote) jndiContext.lookup("LocalHelloEnterpriseApplication.ejb.Hello2Remote");
                                                                     or
                Hello2Remote hello2Bean =  (Hello2Remote) jndiContext.lookup("LocalHelloEnterpriseApplication.Hello2Remote");
                                                                     or
                Hello2Remote hello2Bean =  (Hello2Remote) jndiContext.lookup("LocalHelloEnterpriseApplication.LocalHelloEnterpriseApplication-ejb.Hello2Remote");
                System.out.println("hello2Bean.getHello2(): " + hello2Bean.getHello2());
            catch (javax.naming.NamingException ne)
             ne.printStackTrace();
    They all came up with the same error message:
    javax.naming.NameNotFoundException: LocalHelloEnterpriseApplication.LocalHelloEnterpriseApplication-ejb.Hello2Remote not found
            at com.sun.enterprise.naming.TransientContext.doLookup(TransientContext.java:216)
            at com.sun.enterprise.naming.TransientContext.lookup(TransientContext.java:188)
            at com.sun.enterprise.naming.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:74)
            at com.sun.enterprise.naming.RemoteSerialContextProviderImpl.lookup(RemoteSerialContextProviderImpl.java:129)
            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)Any suggestion would be appreciated.
    Thanks,
    Jack

    Hello
    I've somme problems to get access to ejb interface from remote stand-alone client.
    Here is my EJB code :
    package stateless;
    import javax.ejb.Stateless;
    @Stateless(name = "TestSB", mappedName = "ejb/stateless/TestSB")
    public class TestEJBBean implements TestEJBRemote {
        public String getMessage() {
           return "Hello EJB World";
    }And the remote interface :
    package stateless;
    import javax.ejb.Remote;
    @Remote
    public interface TestEJBRemote {
        String getMessage();
    } In client side, i just edit main.java like this :
    package testclient;
    import java.io.FileInputStream;
    import java.util.Properties;
    import javax.naming.InitialContext;
    import stateless.TestEJBRemote;
    public class Main {
        public static void main(String[] args) throws Exception {
            Properties props = new Properties();
            props.load(new FileInputStream("jndi.properties"));
            InitialContext ctx = new InitialContext(props);
            TestEJBRemote testEJB = (TestEJBRemote) ctx.lookup("ejb/stateless/TestSB");
            System.out.println(testEJB.getMessage());
    }here is my jndi.properties file (my glassfish server IP is 192.168.0.10) :
    java.naming.factory.initial = com.sun.enterprise.naming.SerialInitContextFactory
    java.naming.factory.url.pkgs = com.sun.enterprise.naming
    java.naming.factory.state = com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl
    org.omg.CORBA.ORBInitialHost = 192.168.0.10
    org.omg.CORBA.ORBInitialPort = 3918when i run client on the same machine than the glassfish app server, it works fine.
    But i run it on the different machine than the glassfish app server (on the same LAN without firewall), it fails with this error message :
    eclan@eclan-laptop:~/NetBeansProjects/TestClient$ java -jar dist/TestClient.jar
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 3918"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 4038"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 4138"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 3918"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 4038"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    24 ao&ucirc;t 2008 09:53:05 com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
    ATTENTION: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: 127.0.1.1; port: 4138"
    org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2690)
         at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2711)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:261)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:274)
         at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java:130)
         at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:192)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:181)
         at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:325)
         at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
         at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
         at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:131)
         at com.sun.enterprise.naming.SerialContext.getRemoteProvider(SerialContext.java:220)
         at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:160)
         at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:398)
         at javax.naming.InitialContext.lookup(InitialContext.java:392)
         at testclient.Main.main(Main.java:14)
    Caused by: java.lang.RuntimeException: java.net.ConnectException: Connection refused
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:347)
         at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:244)
         ... 13 more
    Caused by: java.net.ConnectException: Connection refused
         at sun.nio.ch.Net.connect(Native Method)
         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
         at com.sun.corba.ee.impl.orbutil.ORBUtility.openSocketChannel(ORBUtility.java:105)
         at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:332)
         ... 14 more
    eclan@eclan-laptop:~/NetBeansProjects/TestClient$ THANKS YOU FOR YOUR HELP
    Justin

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