Java 5 RMI protocol (JRMP) Implementation

I've got the source code of Java 5, but I couldn't find the implementation of the RMI protocol (JRMP). Anyone can help me?
Besides, where can I find more details related to the lower levels of RMI?
Tks.

Hi ejp.
I guess this packet sun.rmi.transport is not distributed with the Sun's standard java source code, at least I couldn't find it.
There is a place where I can get it?
Thanks.

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    import java.rmi.*;
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  • Please help, I am having java.rmi.UnmarshalException.

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    System.out.println("Starting RMI service at address = "+thisAddress+" and PortNo = "+thisPort);That's not true unless you call super(1099) inside this constructor. So at this point you are printing misleading information.
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  • Java.rmi.RemoteException: Protocol error reported by the card! why?

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    80 38 2 2 6 33 f1 ec a8 ff b8 7f
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    Oh, thanks for pointing at the JCRE Spec, it is very informative, but i still have not found the problem yet.
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    - SecureClient must be obviously correctly
    so maybe it's something about PINCardAccessor? hmm...i havent found anything, but here is the complete code:
    import javax.smartcardio.CardException;
    * Copyright © 2003 Sun Microsystems, Inc. All rights reserved.
    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
    * @(#)SecureOCFCardAccessor.java     1.11 03/07/08
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        public PINCardAccessor(boolean debug) throws CardException {
              super(debug);
         private static final byte INS_SELECT   = (byte)0xA4;
        private static final byte APDU_CMD_MASK = (byte)0xFC;
        private static final byte CLA_ISO7816 = (byte)0x00;
        private static final byte CLA_AUTH = (byte)0x80;
        private static final byte INS_AUTH = (byte)0x39;
        private static final boolean debug2 = false;
        /** Modifies the data and calls super.sendCommandAPDU to perform the actual send.
         * The data returned from the smart card is returned by this method within
         * the <CODE>ResponseAPDU</CODE> object
         * @param apdu The command APDU to be sent to the smart card
         * @return The response APDU returned from the card. <CODE>null</CODE> if none available.
         * @throws Exception if a communication error or timeout occurred
        public byte[] exchangeAPDU( byte[] sendData ) throws java.io.IOException{
            System.out.println("Send Data:"+SmartCardIOAccessor.getHexString(sendData));
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                dataWithChecksum = new byte[ sendData.length ];
                System.arraycopy(sendData, 0, dataWithChecksum, 0, sendData.length);
            else {
                dataWithChecksum = new byte[ sendData.length + 2];
                System.arraycopy(sendData, 0, dataWithChecksum, 0, sendData.length-1);
                dataWithChecksum[dataWithChecksum.length-1] = sendData[sendData.length-1];
                int Lc = dataWithChecksum[4];
                short csum = 0;
                for(short n = 5; n<Lc+5; ++n) {
                    csum += sendData[n];
                dataWithChecksum[Lc+5] = (byte) (csum>>8);
                dataWithChecksum[Lc+6] = (byte) (csum);
                dataWithChecksum[4] += 2;  // increase Lc
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                for(int i=0; i<dataWithChecksum.length;++i) {
                    System.out.print(Integer.toHexString(dataWithChecksum[i] & 0x00FF) + " ");
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                for(int i=0; i<receiveDataWithChecksum.length;++i) {
                    System.out.print(Integer.toHexString(receiveDataWithChecksum[i] & 0x00FF) + " ");
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                int Le = receiveDataWithChecksum.length - 2;   // 2 bytes reserved for SW
                if(debug2) {
                    System.out.println("Le=" + Le);
                short csum1 = 0;
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                (receiveDataWithChecksum[receiveDataWithChecksum.length - 2]<<8)
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                (receiveDataWithChecksum[receiveDataWithChecksum.length - 1] & 0x00FF)
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                System.out.println("csum1=" + Integer.toHexString(csum1));
                System.out.println("csum2=" + Integer.toHexString(csum2));
                if(csum1 != csum2) throw new java.io.IOException("Wrong checksum on returned data");
                receiveData = new byte[receiveDataWithChecksum.length-2];
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            else {
                receiveData = new byte[receiveDataWithChecksum.length];
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            if(debug2) {
                for(int i=0; i<receiveData.length;++i) {
                    System.out.print(Integer.toHexString(receiveData[i] & 0x00FF) + " ");
                System.out.println();
                System.out.println();
            System.out.println("Receive Data:"+SmartCardIOAccessor.getHexString(receiveData));
            return receiveData;
        boolean authenticateUser( short ID ){
            byte[] externalAuthCommand = new byte[8];
            externalAuthCommand[0] = CLA_AUTH;
            externalAuthCommand[1] = INS_AUTH;
            externalAuthCommand[4] = 2;  // Lc
            externalAuthCommand[5] = (byte)(ID>>8);
            externalAuthCommand[6] = (byte)ID;
            externalAuthCommand[7] = 0x7F;
            try {
                byte[] response = this.exchangeAPDU( externalAuthCommand );
                if(response[0] != (byte)0x90 || response[1] != 0x00) return false;
                else return true;
            }catch (Exception e){
                return false;
        private boolean isSelect(byte[] buffer) {
            if(buffer.length < 2) return false;
            if((buffer[0]&APDU_CMD_MASK)==CLA_ISO7816 && buffer[1]==INS_SELECT) {
                if(debug2) {
                    System.out.println("accessor: select command");
                return true;
            else {
                return false;
    }

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    I am using JDK version 1.5.0_06. Same exception comes under JDK 6.0
    Any help will be highly appreciated.

    I think this is a bug. When you exported the Registry from your server JVM it was also exported with java.rmi.server.ignoreStubClasses=true, but the Registry bootstrap at the client requires the 1.1 stub protocol for compatiblity reasons so you got this error. I would report this on the Bug Parade.
    You could get around it by setting java.rmi.server.ignoreStubClasses after exporting the Registry.
    BTW java.rmi.server.ignoreStubClasses isn't supposed to do anything at the client whether true or false so you can cut your testing space in half.

  • Standard Java RMI and WLS5.1?

     

    I would surmise that the problem you are seeing is the result of the fact
    that we do not except standard Java RMI calls using the functionality in the
    JDK. You must use the WebLogic implementation of RMI. It is exactly the
    same in terms of APIs, but we have gone through and optimize the underlying
    protocol.
    Please see the documentation for more details.
    We offer both RMI over IIOP and RMI over T3.
    Thanks,
    Michael
    Michael Girdley
    Product Manager, WebLogic Server & Express
    BEA Systems Inc
    Mario Felarca <[email protected]> wrote in message
    news:[email protected]..
    Hello,
    I was trying to get a simple callback demo working using standard java
    RMI and the WLS5.1. Unfortunately, although things seemed to compile
    and launch smoothly, when the client started up and tried to talk to the
    WLS I would get the following error:
    weblogic.rmi.server.ExportException: A description for CallbackImpl was
    found but it could not be read due to: [Failed to find a stub for [class
    CallbackImpl] implements at least one interface [interface Callback]
    which extends Remote.]
    weblogic.rmi.StubNotFoundException: Failed to find a stub for [class
    CallbackImpl] implements at least one interface [interface Callback]
    which extends Remote.
    I tried determining if this was a classpath problem, but all my efforts
    kept producing this result.
    On the flip side, if I retool my objects slightly in order to make them
    use weblogic.rmi.*, then everything works perfectly.
    Is there a tradeoff to using weblogic.rmi over java.rmi?
    Also, does anyone have any ideas as to what might be causing my error
    when using standard rmi?
    Thanks so much in advance,
    Mario-

  • Client connect via java.rmi

    I am trying to fidnd the simplest method for connecting to Weblogic RMI registry to
    get a reference to a server program which implements a component interface with PeopleSoft.
    Can normal java.rmi be used to get that reference, if so how can I find out which
    port to use to send the reqest.
    Or do I have to use http tunelling or t3 protocols? This is a junit test so I want
    to avoid loading the weblogic rmi implementation and security classes required to
    keep it as simple as possible.
    Thank you.

    You also need to make sure you generated the IIOP stubs using -iiop with the ejbc compiler...
    Andy Piper wrote:
    Neil Forrest <[email protected]> writes:
    I am trying to access an EJB deployed in Weblogic 6.0 via a Java client using RMI-IIOP.
    I can connect to the server and get an Initial Context and even find the EJB using its JNDI Name.
    But when I try to pull back the EJBHome object using the PortableRemoteObject.narrow method I get a class cast exception.
    Can anyone shed some light on this ?This is doc'd in the 6.1 examples or you can find out from previous
    postings on this newsgroup. You need to use a security manager in the
    client.
    andy

  • Java.rmi.ServerException:

    I am new to RMI concept
    i stuck with the below problem
    when i execute
    E:\MyProjects\StockRMI>java -Djava.security.policy=policy.all StockMarketServerStockMarketServer is as shown below
    import java.rmi.*;
    import java.rmi.server.UnicastRemoteObject;
    import SimpleStocks.*;
    public class StockMarketServer {
      public static void main(String[] args) throws Exception {
        if(System.getSecurityManager() == null) {
          System.setSecurityManager( new RMISecurityManager() );
        StockMarketImpl myObject = new StockMarketImpl( "NASDAQ" );
        System.out.println( "RMI StockMarketServer ready..." );
    } i got the following error
    java.rmi.ServerException: RemoteException occurred in server thread; nested exce
    ption is:
            java.rmi.UnmarshalException: error unmarshalling arguments; nested excep
    tion is:
            java.lang.ClassNotFoundException: SimpleStocks.StockMarketImpl_Stub
    RMI StockMarketServer ready...Interface class, Interface implementation class and stub all reside in MyProjects\StockRMI\SimpleStocks directory
    where as Server class(StockMarkerServer) is in MyProjects\StockRMI
    even i place the stub in MyProjects\StockRMI directory i got the same error.
    Can any one please save me out of this problem

    hurry!
    Thank u First of all
    I got it.. finally after 2 days
    The error is in CLASSPATH only , i set it
    Thanks once again

  • Java.rmi.ServerException Problem

    The exception that has occured is java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
    java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
    java.lang.ClassNotFoundException: Process00Impl_Stub
    I have the interface, Client, Server and the Implementation java files
    in the same machine.
    11/29/2002 08:52p 282 Process00.class
    11/29/2002 08:25p 221 Process00.java
    11/29/2002 07:40p 215 Process00.java.bak
    11/29/2002 08:56p 1,008 Process00Client.java
    11/29/2002 08:55p 1,010 Process00Client.java.bak
    11/29/2002 08:57p 451 Process00Impl.class
    11/29/2002 08:57p 936 Process00Impl.java
    11/29/2002 08:52p 934 Process00Impl.java.bak
    11/29/2002 08:57p 2,153 Process00Impl_Skel.class
    11/29/2002 08:57p 3,938 Process00Impl_Stub.class
    11/29/2002 08:56p 995 Process00Server.class
    11/29/2002 08:57p 645 Process00Server.java
    11/29/2002 08:56p 643 Process00Server.java.bak
    I also have the _Stub.class. I do not know why I get this error. If any
    one have an idea, kindly share with me.
    Thanks.

    Hi,
    I had the same problem. In my machine, path was having jre1.1.7 before my jdk 1.4. So it was picking up from jre1.1.7.
    Java was happy when I moved my jdk1.4 path to the beginning of the path variable.
    Hope this helps you.

  • Java.rmi.ServerException: Missing port information

    when i call the service ,i got the error:
    run-test-client:
    [java] java.rmi.ServerException: Missing port information
    [java] at com.sun.xml.rpc.client.StreamingSender._raiseFault(StreamingS
    ender.java:382)
    [java] at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.
    java:234)
    [java] at sys.SetIF_Stub.getdeviceid(SetIF_Stub.java:68)
    [java] at sys.StockPriceFetcher.getdeviceid(Unknown Source)
    [java] at sys.TestPriceFetcher.main(Unknown Source)
    what cause it??
    in my SetImpl.java i use wurfltags.jar
    //SetImpl.java
    package sys;
    import java.io.*;
    import java.net.*;
    import java.util.*;
    import net.sourceforge.wurfl.wurflapi.*;
    public class SetImpl implements SetIF {
         private String ret="";
    private ProConf pc;
    private MyObjectsManager mom;
         public SetImpl(){}
    public String getdeviceid(String request)
    String result="";           
    try{              
    mom=new MyObjectsManager();
    mom.wurflWebInit();
    UAManager uam =mom.getUAManagerInstance();
    result=uam.getDeviceIDFromUA("MOT-T720/05.08.41R MIB/2.0 Profile/MIDP-1.0 Configuration/CLDC-1.0");
    System.out.println(result);
    catch(Exception e){}
    return result;     
    and, i generate the wsdl file and deploy it successfully. but in the client
    when i call the service it will be error.
    the client code is:
    /////////StockPriceFetcher.java
    package sys;
    import javax.xml.rpc.*;
    import com.sun.xml.rpc.client.*;
    public final class StockPriceFetcher {
    public static final String getdeviceid(String req,String endpoint) {
    String result="";
    try {
    SetIF_Stub stub =(SetIF_Stub)(new SystemConfiguration_Impl().getSetIFPort());
    stub._setProperty(javax.xml.rpc.Stub.ENDPOINT_ADDRESS_PROPERTY,endpoint);
    result = stub.getdeviceid(req);
    } catch (Exception ex) {
    ex.printStackTrace();
    return result;
    } // getLonNowItem
    //////////////////////TestPriceTetcher.java
    package sys;
    import java.math.BigDecimal;
    import java.util.*;
    public class TestPriceFetcher {
    public static void main(String[] args) {
    try {
    // String result=StockPriceFetcher.endsetinfo("ball=5&srv=7&pcode=500001","http://192.152.251.224:8080/jaxrpc-sys/jaxrpc");
    String result=StockPriceFetcher.getdeviceid("ball=5&srv=7&pcode=500001","http://192.152.251.224:8080/jaxrpc-sys/jaxrpc");
    System.out.println(result+"bb");
    } catch (Exception ex) {
    ex.printStackTrace();
    when i run the testpricefetcher.java it will raise the above error infomation.
    it spent 2 days for me to find the problem, but i cannot solve it.
    i think it does matter with the wurfl package.because i doesnt use the method of the package in the SetImpl.java it will be ok. How to call the package?please give me a hand.

    can you give me a hand!thank you

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