RMI-IIOP use of TCP/IP

Anyone know if RMI-IIOP use TCP/IP????? or just IP?

Hi,
RMI over IIOP uses IIOP as its communication protocol where as RMI uses a wire level protocol called Java Remote Method Protocol (JRMP) on top of TCP/IP .
For further information on this please visit
http://java.sun.com/products/rmi-iiop/index.html
Hope this helps.
Good Luck.
Gayam.Srinivasa Reddy
Developer Technical Support
Sun Micro Sysytems
http://www.sun.com/developers/support/

Similar Messages

RMIIP use of TCP/IP?

Anyone know if RMI-IIOP use TCP/IP????? or just IP?

TCP/IP of course!
RMI use standard ISO TransfertControlProtocol network layer.TCP is aproximatly the 4th layer and IP the 3.

Rmi-iiop authentication and EJB

In WL6.1, I have an Ejb with secured methods. The (Swing) client application accesses the Ejb through rmi-iiop using the JDK1.3.1 Orb.
Unfortunately, it seems that the caller identity (which was supplied in the InitialContext lookup) is not propagated
to the server: any call to a secured method
fails with a CORBA NO_PERMISSION Exception.
Using the t3 protocol the program works fine, but that would require the 25Mb weblogic.jar on all clients, which is unattainable for us.
Any ideas how this situation can be corrected?
-Allard Siemelink

Hello Allard,
My only suggestion (and you have probably looked at this already) would be to
use the Verbosetozip utility, refer to http://e-docs.bea.com/wls/docs61////adminguide/utils.html#1117405
for more information.
Kind Regards,
Richard Wallace
Senior Developer Relations Engineer
BEA Support.
Allard Siemelink <[email protected]> wrote:
In WL6.1, I have an Ejb with secured methods. The (Swing) client application
accesses the Ejb through rmi-iiop using the JDK1.3.1 Orb.
Unfortunately, it seems that the caller identity (which was supplied
in the InitialContext lookup) is not propagated
to the server: any call to a secured method
fails with a CORBA NO_PERMISSION Exception.
Using the t3 protocol the program works fine, but that would require
the 25Mb weblogic.jar on all clients, which is unattainable for us.
Any ideas how this situation can be corrected?
-Allard Siemelink

Rmi-iiop: calling secured method on Ejb -- NO PERMISSION Exception

In WL6.1, I have an Ejb with secured methods. The (Swing) client application accesses the Ejb through rmi-iiop using the JDK1.3.1 Orb.
Unfortunately, it seems that the caller identity (which was supplied in the InitialContext lookup) is not propagated
to the server: any call to a secured method
fails with a CORBA NO_PERMISSION Exception.
Using the t3 protocol the program works fine, but that would require the 25Mb weblogic.jar on all clients, which is unattainable for us.
Any ideas how this situation can be corrected?
-Allard Siemelink

Hi Allard,
Please pose this in the weblogic.developer.interest.rmi-iiop.
Thanks,
Allard Siemelink wrote:
In WL6.1, I have an Ejb with secured methods. The (Swing) client application accesses the Ejb through rmi-iiop using the JDK1.3.1 Orb.
Unfortunately, it seems that the caller identity (which was supplied in the InitialContext lookup) is not propagated
to the server: any call to a secured method
fails with a CORBA NO_PERMISSION Exception.
Using the t3 protocol the program works fine, but that would require the 25Mb weblogic.jar on all clients, which is unattainable for us.
Any ideas how this situation can be corrected?
-Allard Siemelink--
Apurb Kumar
Developer Relations Engineer
BEA Support

How to configure OC4J using RMI/IIOP with SSL

Any help?
I just mange configure the OC4J using RMI/IIOP but base on
But when I follow further to use RMI/IIOP with SSL I face the problem with: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
p/s: I use self generate keystore which should be ok as I can use it for https connection.
Any one can help?
Below is the OC4J log:
D:\oc4j\j2ee\home>java -Djavax.net.debug=all -DGenerateIIOP=true -Diiop.runtime.debug=true -jar oc4j.jar
05/02/23 16:43:16 ================ IIOPServerExtensionProvider.preInitApplicationServer
05/02/23 16:43:38 ================= IIOPServerExtensionProvider.postInitApplicationServer
05/02/23 16:43:38 ================== config = {SEPS={IIOP={ssl-port=5556, port=5555, ssl=true, trusted-clients=*, ssl-client-server-auth-port=5557, keystore=D:\\oc4j\\j2ee\\home\\server.keystore, keystore-password=123456, truststore=D:\\oc4j\\j2ee\\home\\server.keystore, truststore-password=123456, ClassName=com.oracle.iiop.server.IIOPServerExtensionProvider, host=localhost}}}
05/02/23 16:43:38 ================== server.getAttributes() = {threadPool=com.evermind.server.ApplicationServerThreadPool@968fda}
05/02/23 16:43:38 ================== pool: null
05/02/23 16:43:38 ====================== In startServer ...
05/02/23 16:43:38 ==================== Creating an IIOPServer ...
05/02/23 16:43:38 ========= IIOP server being initialized
05/02/23 16:43:38 SSL port: 5556
05/02/23 16:43:38 SSL port 2: 5557
05/02/23 16:43:43 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): getEndpoint(IIOP_CLEAR_TEXT, 5555, null)
05/02/23 16:43:43 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): createListener( socketType = IIOP_CLEAR_TEXT port = 5555 )
05/02/23 16:43:44 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): getEndpoint(SSL, 5556, null)
05/02/23 16:43:44 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): createListener( socketType = SSL port = 5556 )
05/02/23 16:43:45 ***
05/02/23 16:43:45 found key for : mykey
05/02/23 16:43:45 chain [0] = [
Version: V1
Subject: CN=Server, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
Signature Algorithm: MD5withRSA, OID = 1.2.840.113549.1.1.4
Key: SunJSSE RSA public key:
public exponent:
010001
modulus:
b1239fff 2ae5d31d b01a0cfb 1186bae0 bbc7ac41 94f24464 e92a7e33 6a5b0844
109e30fb d24ad770 99b3ff86 bd96c705 56bf2e7a b3bb9d03 40fdcc0a c9bea9a1
c21395a4 37d8b2ce ff00eb64 e22a6dd6 97578f92 29627229 462ebfee 061c99a4
1c69b3a0 aea6a95b 7ed3fd89 f829f17e a9362efe ccf8034a 0910989a a8573305
Validity: [From: Wed Feb 23 15:57:28 SGT 2005,
To: Tue May 24 15:57:28 SGT 2005]
Issuer: CN=Server, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
SerialNumber: [ 421c3768]
Algorithm: [MD5withRSA]
Signature:
0000: 34 F4 FA D4 6F 23 7B 84 30 42 F3 5C 4B 5E 18 17 4...o#..0B.\K^..
0010: 73 69 73 A6 BF 9A 5D C0 67 8D C3 56 DF A9 4A AC sis...].g..V..J.
0020: 88 AF 24 28 C9 39 16 22 29 81 01 93 86 AA 1A 5D ..$(.9.")......]
0030: 07 89 26 22 91 F0 8F DE E1 4A CF 17 9A 02 51 7D ..&".....J....Q.
0040: 92 D3 6D 9B EF 5E C1 C6 66 F9 11 D4 EB 13 8F 17 ..m..^..f.......
0050: E7 66 58 9F 6C B0 60 7C 39 B4 E0 B7 04 A7 7F A6 .fX.l.`.9.......
0060: 4D A5 89 E7 F4 8A DC 59 B4 E7 A5 D4 0A 35 9A F1 M......Y.....5..
0070: A2 CD 3A 04 D6 8F 16 B1 9E 6F 34 40 E8 C0 47 03 ..:[email protected].
05/02/23 16:43:45 ***
05/02/23 16:43:45 adding as trusted cert:
05/02/23 16:43:45 Subject: CN=Client, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
05/02/23 16:43:45 Issuer: CN=Client, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
05/02/23 16:43:45 Algorithm: RSA; Serial number: 0x421c3779
05/02/23 16:43:45 Valid from Wed Feb 23 15:57:45 SGT 2005 until Tue May 24 15:57:45 SGT 2005
05/02/23 16:43:45 adding as trusted cert:
05/02/23 16:43:45 Subject: CN=Server, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
05/02/23 16:43:45 Issuer: CN=Server, OU=Bar, O=Foo, L=Some, ST=Where, C=UN
05/02/23 16:43:45 Algorithm: RSA; Serial number: 0x421c3768
05/02/23 16:43:45 Valid from Wed Feb 23 15:57:28 SGT 2005 until Tue May 24 15:57:28 SGT 2005
05/02/23 16:43:45 trigger seeding of SecureRandom
05/02/23 16:43:45 done seeding SecureRandom
05/02/23 16:43:45 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): getEndpoint(SSL_MUTUALAUTH, 5557, null)
05/02/23 16:43:45 com.sun.corba.ee.internal.iiop.GIOPImpl(Thread[Orion Launcher,5,main]): createListener( socketType = SSL_MUTUALAUTH port = 5557 )
05/02/23 16:43:45 matching alias: mykey
matching alias: mykey
05/02/23 16:43:46 ORB created ..com.oracle.iiop.server.OC4JORB@65b738
05/02/23 16:43:47 com.sun.corba.ee.internal.corba.ClientDelegate(Thread[Orion Launcher,5,main]): invoke(ClientRequest) called
05/02/23 16:43:47 com.oracle.iiop.server.OC4JORB(Thread[Orion Launcher,5,main]): process: dispatching to scid 2
05/02/23 16:43:47 com.oracle.iiop.server.OC4JORB(Thread[Orion Launcher,5,main]): dispatching to sc [email protected]7
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ClientDelegate(Thread[Orion Launcher,5,main]): invoke(ClientRequest) called
05/02/23 16:43:48 com.oracle.iiop.server.OC4JORB(Thread[Orion Launcher,5,main]): process: dispatching to scid 2
05/02/23 16:43:48 com.oracle.iiop.server.OC4JORB(Thread[Orion Launcher,5,main]): dispatching to sc com.sun.corba.ee.internal.corba.ServerDelegate@9300cc
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ServerDelegate(Thread[Orion Launcher,5,main]): Entering dispatch method
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ServerDelegate(Thread[Orion Launcher,5,main]): Consuming service contexts, GIOP version: 1.2
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ServerDelegate(Thread[Orion Launcher,5,main]): Has code set context? false
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ServerDelegate(Thread[Orion Launcher,5,main]): Dispatching to servant
05/02/23 16:43:48 com.sun.corba.ee.internal.corba.ServerDelegate(Thread[Orion Launcher,5,main]): Handling invoke handler type servant
05/02/23 16:43:48 NS service created and started ..org.omg.CosNaming._NamingContextExtStub:IOR:000000000000002b49444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e30000000000001000000000000007c000102000000000c31302e312e3231342e31310015b3000000000031afabcb0000000020d309e06a0000000100000000000000010000000c4e616d65536572766963650000000004000000000a0000000000000100000001000000200000000000010001000000020501000100010020000101090000000100010100
05/02/23 16:43:48 NS ior = ..IOR:000000000000002b49444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e30000000000001000000000000007c000102000000000c31302e312e3231342e31310015b3000000000031afabcb0000000020d309e06a0000000100000000000000010000000c4e616d65536572766963650000000004000000000a0000000000000100000001000000200000000000010001000000020501000100010020000101090000000100010100
05/02/23 16:43:48 Oracle Application Server Containers for J2EE 10g (9.0.4.0.0) initialized
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.ConnectionTable(Thread[JavaIDL Listener,5,main]): Server getConnection(119e583[Unknown 0x0:0x0: Socket[addr=/127.0.0.1,port=1281,localport=5556]], SSL)
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.ConnectionTable(Thread[JavaIDL Listener,5,main]): host = 127.0.0.1 port = 1281
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.ConnectionTable(Thread[JavaIDL Listener,5,main]): Created connection Connection[type=SSL remote_host=127.0.0.1 remote_port=1281 state=ESTABLISHED]
com.sun.corba.ee.internal.iiop.MessageMediator(Thread[JavaIDL Reader for 127.0.0.1:1281,5,main]): Creating message from stream
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, handling exception: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, SEND TLSv1 ALERT: fatal, description = unexpected_message
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, WRITE: TLSv1 Alert, length = 2
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called closeSocket()
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.ReaderThread(Thread[JavaIDL Reader for 127.0.0.1:1281,5,main]): IOException in createInputStream: javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
05/02/23 16:45:14 javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.SSLSocketImpl.d(DashoA12275)
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.AppInputStream.read(DashoA12275)
05/02/23 16:45:14 at com.sun.corba.ee.internal.iiop.messages.MessageBase.readFully(MessageBase.java:520)
05/02/23 16:45:14 at com.sun.corba.ee.internal.iiop.messages.MessageBase.createFromStream(MessageBase.java:58)
05/02/23 16:45:14 at com.sun.corba.ee.internal.iiop.MessageMediator.processRequest(MessageMediator.java:110)
05/02/23 16:45:14 at com.sun.corba.ee.internal.iiop.IIOPConnection.processInput(IIOPConnection.java:339)
05/02/23 16:45:14 at com.sun.corba.ee.internal.iiop.ReaderThread.run(ReaderThread.java:63)
05/02/23 16:45:14 Caused by: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.InputRecord.b(DashoA12275)
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.InputRecord.read(DashoA12275)
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA12275)
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.SSLSocketImpl.j(DashoA12275)
05/02/23 16:45:14 at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(DashoA12275)
05/02/23 16:45:14 ... 6 more
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.IIOPConnection(Thread[JavaIDL Reader for 127.0.0.1:1281,5,main]): purge_calls: starting: code = 1398079696 die = true
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called close()
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called closeInternal(true)
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called close()
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called closeInternal(true)
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called close()
05/02/23 16:45:14 JavaIDL Reader for 127.0.0.1:1281, called closeInternal(true)
05/02/23 16:45:14 com.sun.corba.ee.internal.iiop.ConnectionTable(Thread[JavaIDL Reader for 127.0.0.1:1281,5,main]): DeleteConn called: host = 127.0.0.1 port = 1281

Good point, I do belive what you are referring to is this:
Any client, whether running inside a server or not, has EJB security properties. Table 15-2 lists the EJB client security properties controlled by the ejb_sec.properties file. By default, OC4J searches for this file in the current directory when running as a client, or in ORACLE_HOME/j2ee/home/config when running in the server. You can specify the location of this file explicitly with the system property setting -Dejb_sec_properties_location=pathname.
Table 15-2 EJB Client Security Properties
Property Meaning
# oc4j.iiop.keyStoreLoc
The path and name of the keystore. An absolute path is recommended.
# oc4j.iiop.keyStorePass
The password for the keystore.
# oc4j.iiop.trustStoreLoc
The path name and name of the truststore. An absolute path is recommended.
# oc4j.iiop.trustStorePass
The password for the truststore.
# oc4j.iiop.enable.clientauth
Whether the client supports client-side authentication. If this property is set to true, you must specify a keystore location and password.
# oc4j.iiop.ciphersuites
Which cipher suites are to be enabled. The valid cipher suites are:
TLS_RSA_WITH_RC4_128_MD5
SSL_RSA_WITH_RC4_128_MD5
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA
TLS_RSA_EXPORT_WITH_RC4_40_MD5
SSL_RSA_EXPORT_WITH_RC4_40_MD5
TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA
SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA
nameservice.useSSL
Whether to use SSL when making the initial connection to the server.
client.sendpassword
Whether to send user name and password in clear form (unencrypted) in the service context when not using SSL. If this property is set to true, the user name and password are sent only to servers listed in the trustedServer list.
oc4j.iiop.trustedServers
A list of servers that can be trusted to receive passwords sent in clear form. This has no effect if client.sendpassword is set to false. The list is comma-delimited. Each entry in the list can be an IP address, a host name, a host name pattern (for example, *.example.com), or * (where "*" alone means that all servers are trusted.

How to get InitialContextFactory using RMI/IIOP without using weblogic.jar

Hi Robert
I know this is an old post. but I am interested in knowing how to get the
initial context using RMI/IIOP without the use weblogic specific classes
like weblogic.jndi.WLInitialContextFactory . If you have a code snippet that
you can provide as an example, it would be just great.
thanx in advance
Daya Sharma
See comments inline...
Stewart Wachs wrote:
I would like to get an initial context to Weblogic JNDI from a client.
code snippet:
Hashtable ht = new Hashtable();
ht.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFacorty");
ht.put(Context.PROVIDER_URL, "t3://localhost:7001");
try {
Context ctx = new InitialContext(ht);
catch(...) {
This works fine when I include weblogic.jar (and other dependend weblogic
jar's) in the classpath.
Is there a way to access WL JNDI from a client without the weblogicclasses
in the classpath?If you are using WLS 6.1, you could use RMI/IIOP to do this but in general,
the
answer is no, you will need at least some of the weblogic classes on the
client.
If not, is there a lightweight jar available for distribution for client
JNDI connectivity?This is something in the works. In addition, a colleague and I are working
on
a white paper that describes the "Thin Client Options with WebLogic Server"
that we hope to make available in the not too distant future...
Are there any licencing issues with distributing the weblogic classes to
clients that need to access WL JNDI?No. WLS is licensed by the server so you are free to distribute
weblogic.jar
to your clients.
Hope this helps,
Robert

Take a look at the RMI/IIOP section of our whitepaper "Small Footprint
Client options for BEA WebLogic Server" at:
http://dev2dev.bea.com/resourcelibrary/whitepapers.jsp?highlight=whitepapers
Daya Sharma wrote:
Hi Robert
I know this is an old post. but I am interested in knowing how to get the
initial context using RMI/IIOP without the use weblogic specific classes
like weblogic.jndi.WLInitialContextFactory . If you have a code snippet that
you can provide as an example, it would be just great.
thanx in advance
Daya Sharma
See comments inline...
Stewart Wachs wrote:
I would like to get an initial context to Weblogic JNDI from a client.
code snippet:
Hashtable ht = new Hashtable();
ht.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFacorty");
ht.put(Context.PROVIDER_URL, "t3://localhost:7001");
try {
Context ctx = new InitialContext(ht);
catch(...) {
This works fine when I include weblogic.jar (and other dependend weblogic
jar's) in the classpath.
Is there a way to access WL JNDI from a client without the weblogic
classes
in the classpath?
If you are using WLS 6.1, you could use RMI/IIOP to do this but in general,
the
answer is no, you will need at least some of the weblogic classes on the
client.
If not, is there a lightweight jar available for distribution for client
JNDI connectivity?
This is something in the works. In addition, a colleague and I are working
on
a white paper that describes the "Thin Client Options with WebLogic Server"
that we hope to make available in the not too distant future...
Are there any licencing issues with distributing the weblogic classes to
clients that need to access WL JNDI?
No. WLS is licensed by the server so you are free to distribute
weblogic.jar
to your clients.
Hope this helps,
Robert

Error while using RMI IIOP

Hi all,
this is my client code which access EJB 2.1 and SUN JES AS 8.1 using RMI IIOP
i get the remote home interface well but when i use home.create(), it retruns null.
can anyone help me???
Here is the coding,
Properties props = new Properties();
//props.put("javax.rmi.CORBA.UtilClass",
// "com.sun.corba.ee.impl.javax.rmi.CORBA.Util");
props.put("org.omg.CORBA.ORBClass","com.ooc.OBServer.ORB");
props.put("org.omg.CORBA.ORBSingletonClass","com.ooc.CORBA.ORBSingleton");
props.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.cosnaming.CNCtxFactory");
props.put(Context.PROVIDER_URL, "iiop://10.24.17.68:3360"); // the port of the application server
props.put("ooc.orb.service.NameService",
"corbaloc:iiop:10.24.17.68:3360/NameService");
String[] args = null;
ORB orb = ORB.init(args, props);
Context ctx;
Object obj;
try {
ctx = new InitialContext(props);
System.out.println("RMI: 1");
obj = ctx.lookup("ejb/NewSessionBean");
System.out.println("RMI: 2");
System.out.println("object name: "+obj.getClass().getName());
System.out.println("object class loader: "+obj.getClass().getClassLoader());
NewSessionRemoteHome home = (NewSessionRemoteHome) PortableRemoteObject.
narrow(obj, NewSessionRemoteHome.class);
System.out.println("Interface name: "+home.getClass().getName());
System.out.println("RMI: 3: " + home.toString());
if (home == null){
System.out.println("home is null");
NewSessionRemote remo = (NewSessionRemote)home.create();
System.out.println("RMI: 4");
remo.printText("Welcome to RMI world"); //the message send by the client
System.out.println("The sending of RMI is succeed");
} catch (Exception ex) {
System.out.println("exception starts:");
ex.printStackTrace();
System.out.println("Exception occurs. Exception: " + ex.getMessage());
Here is the traces,
RMI: 1
RMI: 2
object name: com.ooc.CORBA.StubForObject
object class loader: null
Interface name: fr.teleca.orangebenchosa.cdrstat._NewSessionRemoteHome_Stub
RMI: 3: IOR:000000000000004b524d493a66722e74656c6563612e6f72616e676562656e63686f73612e6 36472737461742e4e657753657373696f6e52656d6f7465486f6d653a30303030303030303030303 0303030300000000000010000000000000188000102000000000c31302e32342e31372e3638000d2 0000000000056afabcb00000000260000003f00000009533141532d4f52420000000000000002000 00008526f6f74504f41000000001237353732393838353136303237353936380000000000000d010 d0bede7dc000000000001ff140000000000070000000100000020000000000001000100000002050 10001000100200001010900000001000101000000002600000002000200000000000300000016000 000000000000c31302e32342e31372e3638000d1600000000000300000016000000000000000c313 02e32342e31372e3638000d1300000000001f0000000400000003000000200000000400000001000 000210000007c000000000000000100000000000000240000001e000000660000000000000001000 0000c31302e32342e31372e3638000d1600400000000000000008060667810201010100000017040 1000806066781020101010000000764656661756c740004000000000000000000000100000008060 66781020101010000000f
exception starts:
java.lang.ClassCastException
at com.sun.corba.se.internal.iiop.ShutdownUtilDelegate.isLocal(Unknown Source)
at javax.rmi.CORBA.Util.isLocal(Unknown Source)
at fr.teleca.orangebenchosa.cdrstat._NewSessionRemoteHome_Stub.create(Unknown Source)
at fr.teleca.orangebenchosa.servicelogic.CallHandler$EndState.sendCDRStat(CallHand ler.java:1385)
at fr.teleca.orangebenchosa.servicelogic.CallHandler$EndState.start(CallHandler.ja va:1047)
at com.appium.TAS.SessionContainer.StatefulObject.enterState(StatefulObject.java)
at fr.teleca.orangebenchosa.servicelogic.CallHandler.access$4800(CallHandler.java: 61)
at fr.teleca.orangebenchosa.servicelogic.CallHandler$SuccessfulLogicState.routeRes (CallHandler.java:902)
at com.appium.TAS.SessionComponents.CallControl.a.exec(a.java)
at com.appium.Basement.Synchronization.Asynchronizer.d(Asynchronizer.java)
at com.appium.Basement.Synchronization.g.run(g.java)
Exception occurs. Exception: null

Hi ejp,
because my stand alone client application runs on telecom server which uses orbacus. It calls the remote method on sun AS using RMI IIOP
I specifed the properties of the client to use SUN AS naming services.
I added j2ee.jar and appserv-rt.jar in my client program. but i dont know eventhough i specified the Util properties to use as below
props.put("javax.rmi.CORBA.UtilClass","com.sun.corba.ee.impl.javax.rmi.CORBA.Util");
props.put("org.omg.CORBA.ORBClass", "com.sun.corba.ee.impl.orb.ORBImpl");
props.put("org.omg.CORBA.ORBSingletonClass", "com.sun.corba.ee.impl.orb.ORBSingleton");
props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
props.put(Context.PROVIDER_URL,"iiop://10.24.17.68:3360"); // the port of the application server
props.put("ooc.orb.service.NameService", "corbaloc:iiop:10.24.17.68:3360/NameService");
ORB orb = ORB.init(args,props);
Context ctx;
Object obj;
try {
ctx = new InitialContext(props);
obj= ctx.lookup("ejb/NewSessionBean");
NamingEnumeration ne = ctx.listBindings("ejb");
while (ne.hasMore()) {
System.out.println("Binding: " + ne.next());
System.out.println("object name"+obj.getClass().getName());
System.out.println("object class loader"+obj.getClass().getClassLoader());
NewSessionRemoteHome home=(NewSessionRemoteHome)PortableRemoteObject.narrow(obj,NewSessionRemoteHome.class);
System.out.println("Interface name: "+home.getClass().getName());
NewSessionRemote remo=home.create();
System.out.println("Remote name: "+remo.getClass().getName());
remo.printText("Welcome"); //the message send by the client
} catch (Exception ex) {
ex.printStackTrace();
but it uses J2SE Util. Is there any other workaround to do?
Thanks
mdb

ClassCastException while narrow an EJV using RMI-IIOP

Hi,
I'm trying to deploy an EJB on weblogic 6.1 SP4 on an AIX system, and a client
(JSP) running on weblogic 6.1 SP4 on a SUN system. And, the dialog between EJB
and servlet has to use RMI-IIOP (due to exploitation constraints).
I receive this exception when getting the reference of the EJB's home :
java.lang.ClassCastException: Cannot narrow remote object to ejbMweb.TstEjbMwebHome
at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteObjectDelegateImpl.java:124)
at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:132)
at cliEjbMweb.cliTstMweb.narrow(cliTstMweb.java:133)
at cliEjbMweb.cliTstMweb.getHome(cliTstMweb.java:31)
at cliEjbMweb.cliTstMweb.testBean1(cliTstMweb.java:53)
at jsp_servlet.__index._jspService(__index.java:91)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:262)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:321)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:198)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2637)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2359)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
The same test using t3 is running OK (there is no problem of classpath).
Can you hel me ?
Thank you !
Marc

"Marc" <[email protected]> writes:
It can't download the stub, you need to set an appropriate security
manager for the RMIClassLoader to work, or make sure the stubs are on
the client.
andy
Hi,
I'm trying to deploy an EJB on weblogic 6.1 SP4 on an AIX system, and a client
(JSP) running on weblogic 6.1 SP4 on a SUN system. And, the dialog between EJB
and servlet has to use RMI-IIOP (due to exploitation constraints).
I receive this exception when getting the reference of the EJB's home :
java.lang.ClassCastException: Cannot narrow remote object to ejbMweb.TstEjbMwebHome
at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteObjectDelegateImpl.java:124)
at javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:132)
at cliEjbMweb.cliTstMweb.narrow(cliTstMweb.java:133)
at cliEjbMweb.cliTstMweb.getHome(cliTstMweb.java:31)
at cliEjbMweb.cliTstMweb.testBean1(cliTstMweb.java:53)
at jsp_servlet.__index._jspService(__index.java:91)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:262)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:321)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:198)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2637)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2359)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
The same test using t3 is running OK (there is no problem of classpath).
Can you hel me ?
Thank you !
Marc

Is there any sample RMI-IIOP application using distributed transactions

Hi,
Based on the links below:
http://e-docs.bea.com/wls/docs61/jta/trxrmi.html#1018506
http://e-docs.bea.com/wls/docs61/jta/gstrx.html#1067532
It appears that is possible to have distributed transactions across RMI-IIOP
clients and RMI-IIOP applications (servers).
I am surprised by the note:
Note: These code fragments do not derive from any of the sample applications
that ship with WebLogic Server. They merely illustrate the use of the
UserTransaction object within an RMI application.
The above note suggests that there is no sample code available.
Is there any sample code that illustrates RMI-IIOP applications (servers)
participating in distributed transactions?
Regards,
Dan Cimpoesu

Transaction examples for IIOP are in the works for the next release.
"Dan Cimpoesu" <[email protected]> wrote:
Hi,
Based on the links below:
http://e-docs.bea.com/wls/docs61/jta/trxrmi.html#1018506
http://e-docs.bea.com/wls/docs61/jta/gstrx.html#1067532
It appears that is possible to have distributed transactions across RMI-IIOP
clients and RMI-IIOP applications (servers).
I am surprised by the note:
Note: These code fragments do not derive from any of the sample applications
that ship with WebLogic Server. They merely illustrate the use of the
UserTransaction object within an RMI application.
The above note suggests that there is no sample code available.
Is there any sample code that illustrates RMI-IIOP applications (servers)
participating in distributed transactions?
Regards,
Dan Cimpoesu

Use RMI-IIOP with wls 5.1 or 6.0 ???

Morning,
I was wondering if is was possible to use RMI-IIOP with
WebLogic Server 5.1 or 6.0 and if possible with which version
of the RMI-IIOP specification ???
I've not seen any information about that in the documentation ; if anybody could
help, I would appreciate !
Thanks a lot.
Pierre-Yves FOURMOND
Axway Software. a Sopra Group Company
Direction Edition de Progiciels
EAI - R&D XTalk
Puteaux 2 - Bureau n°204
[email protected]
01 47 17 22 55

"Pierre-Yves Fourmond" <[email protected]> writes:
I was wondering if is was possible to use RMI-IIOP with
WebLogic Server 5.1 or 6.0 and if possible with which version
of the RMI-IIOP specification ???WLS 5.1SP11 has the same RMI-IIOP runtime as WLS6.1SP2. 6.0 contains
the old runtime, at the moment it seems most customers are happy to
upgrade to 6.1 from 6.0
andy
>
I've not seen any information about that in the documentation ; if anybody could
help, I would appreciate !
Thanks a lot.
Pierre-Yves FOURMOND
Axway Software. a Sopra Group Company
Direction Edition de Progiciels
EAI - R&D XTalk
Puteaux 2 - Bureau n°204
[email protected]
01 47 17 22 55--
" .sigs are like your face - rarely seen by you and uglier than you think"
mail: [email protected]

When we use RMI-IIOP?

Dear,
Can anyone tell me when we use RMI-IIOP? When we use RMI-IIOP and
EJB? When will use JSP? When will use servlet?
Sorry for that silly question, but i really want to know it?
kurt

As I know, If using RMI-IIOP, we have to handle lots of stuffs like
connection pool, security...etc.
Am I right?
Kurt
Tom Barnes <[email protected]> wrote in message
news:[email protected]..
>
>
Andy Piper wrote:
RMI-IIOP is useful for:
a) Interop, i.e. between different appservers
b) C++ client integration
Customers also sometimes want it because they have security
restrictions on what protocols they can put through a firewall.
It is also useful for light-weight Java clients. RMI-IIOP clients need
not use the (large) weblogic.jar jar.
Tom

Rmi/iiop with clients behind firewall?

I have a client app (standalone/applet) that will be running behind a firewall and I'm trying to connect it to S1AS7 through rmi/iiop. I keep getting some connection exceptions on the server when it tries to connect back to the client. Is there anyway to find out which port the server tries to connect to the client so I can open up that port with the firewall? Is there any other workarounds?

Check out the below document. This is a document for the earlier version of the appserver, but I guess this part should still hold good in S1AS 7 :
http://docs.sun.com/source/816-5777-10/jpgrichc.htm#24425
Basically, during the RMI-IIOP communication, the ports are assigned dynamically and hence we cannot exactly say which ports will be used for the response.
As a general rule of thumb, the response will be going through the ephemeral ports. (Ephemeral ports are temporary ports assigned by a machine's IP stack, and are assigned from a designated range of ports for this purpose. When the connection terminates, the ephemeral port is available for reuse, although most IP stacks won't reuse that port number until the entire pool of ephemeral ports have been used. So, if the client program reconnects, it will be assigned a different ephemeral port number for its side of the new connection.)
So, it is advisable to open the the entire ephemeral port range in the firewall.
On Solaris, the ephemeral port range can be determined using the below command :
# /usr/sbin/ndd /dev/tcp tcp_smallest_anon_port tcp_largest_anon_port
These values could also be altered using the below commands :
# /usr/sbin/ndd -set /dev/tcp tcp_smallest_anon_port 49152
# /usr/sbin/ndd -set /dev/tcp tcp_largest_anon_port 61000
Hope that helps...
Cheers,
VM

RMI-IIOP client - CORBA Server

I already have a CORBA server in C++ which has already been written. I am trying to develop an RMI-IIOP client which would talk to this CORBA Server.
The CORBA server has several interfaces that I would like to use with my RMI-IIOP client. How do I proceed?? Can somebody give me an example of an RMI-IIOP client? Basically my question is: how do I take the IDL and build an RMI-IIOP client with it???

Hello
I already have a CORBA server in C++ which has already
been written. I am trying to develop an RMI-IIOP
client which would talk to this CORBA Server.
The CORBA server has several interfaces that I would
like to use with my RMI-IIOP client. How do I
proceed?? Can somebody give me an example of an
RMI-IIOP client? Basically my question is: how do I
take the IDL and build an RMI-IIOP client with it???The steps to do are the following:
* Creating the Remote interface
* Using the rmic compiler to genarate the IDL and the client stub.
* Generating stub and skeleton of the C++ server using that IDL (the one you already made is no longer compatible)
* Bulding up the new C++ server
* Using a nameservice (tnameserver for example) and binding your server to that.
* Writing the RMI-IIOP client
I proceeded like this (using Visibroker 4.5 on the server side) and I was able to do it... but as you can see from my last post, I wasn't able to pass Strings from the client to the server.
Bye

Screwey rmi-iiop behavior

I got the rmi-iiop example code to work just fine, but I tried extending
it a little and strangeness ensues. Here's what I did:
I'm using a stock weblogic 6.0 install on solaris 8 (sparc). I added
the following new method to the Trader interface:
public void func(javax.naming.Name n) throws RemoteException;
and I added the implementation of that method to TraderBean like so:
public void func(javax.naming.Name n) {
System.out.prinltn("n [" + n + "]");
I then added a call to the new Trader function to the end of the
example() method in Client, just before the trader is removed:
try {
com.sun.jndi.ldap.LdapName lname =
new com.sun.jndi.ldap.LdapName("a=b");
trader.func(lname);
} catch (javax.naming.NamingException ne) {
ne.printStackTrace();
Then I compiled everything using the supplied build.sh, copied the
ejb_over_iiop.jar into config/mydomain/applications, and ran
startWebLogic.sh int the config/mydomain directory to start the server.
I then run the client like so (using the 1.3 java version included with
weblogic 6.0):
java -cp
/opt/bea/wlserver6.0/config/examples/clientclasses:/opt/bea/wlserver6.0/config/mydomain/applications:/opt/bea/wlserver6.0/lib/weblogic.jar
examples.rmi_iiop.ejb.rmi_iiop.Client iiop://localhost:7001
And I get the following output:
Beginning statelessSession.Client...
Creating a trader
Buying 100 shares of BEAS.
Buying 200 shares of MSFT.
Buying 300 shares of AMZN.
Buying 400 shares of HWP.
Selling 100 shares of BEAS.
Selling 200 shares of MSFT.
Selling 300 shares of AMZN.
Selling 400 shares of HWP.
There was an exception while creating and using the Trader.
This indicates that there was a problem communicating with the server:
java.rmi.RemoteException: CORBA UNKNOWN 0 No; nested exception is:
org.omg.CORBA.UNKNOWN: minor code: 0 completed: No
End statelessSession.Client...
Basically the call to the new method fails, and the server communication
error it produces doesn't provide much information. So question #1 is,
what's going on here?
And here's the really weird part: if I change the method signatures in
Trader and TraderBean so that the argument type is the concrete class
com.sun.jndi.ldap.LdapName instead of the interface javax.naming.Name
(which does extend java.io.Serializable, incidentally), it works fine!
I tried this with my own interfaces and concrete classes, and I get the
same strange behavior: calling methods with interface argument types on
the ejb via rmi-iiop fails with the above cryptic error, but methods
with concrete argument types work fine.
I also tried this out on a non-ejb rmi-iiop server object using jdk 1.3
but not weblogic. In that case both interfaces and concrete method
argument types work just fine.
Now I'm wondering if this could be a bug in weblogic.ejbc's iiop
generation. Can anyone else verify this problem?
Edwin Park
[email protected]

Comments in line...
Edwin Park wrote:
I got the rmi-iiop example code to work just fine, but I tried extending
it a little and strangeness ensues. Here's what I did:
I'm using a stock weblogic 6.0 install on solaris 8 (sparc). I added
the following new method to the Trader interface:
public void func(javax.naming.Name n) throws RemoteException;
and I added the implementation of that method to TraderBean like so:
public void func(javax.naming.Name n) {
System.out.prinltn("n [" + n + "]");
I then added a call to the new Trader function to the end of the
example() method in Client, just before the trader is removed:
try {
com.sun.jndi.ldap.LdapName lname =
new com.sun.jndi.ldap.LdapName("a=b");
trader.func(lname);
} catch (javax.naming.NamingException ne) {
ne.printStackTrace();
Then I compiled everything using the supplied build.sh, copied the
ejb_over_iiop.jar into config/mydomain/applications, and ran
startWebLogic.sh int the config/mydomain directory to start the server.
I then run the client like so (using the 1.3 java version included with
weblogic 6.0):
java -cp
/opt/bea/wlserver6.0/config/examples/clientclasses:/opt/bea/wlserver6.0/config/mydomain/applications:/opt/bea/wlserver6.0/lib/weblogic.jar
examples.rmi_iiop.ejb.rmi_iiop.Client iiop://localhost:7001
And I get the following output:
Beginning statelessSession.Client...
Creating a trader
Buying 100 shares of BEAS.
Buying 200 shares of MSFT.
Buying 300 shares of AMZN.
Buying 400 shares of HWP.
Selling 100 shares of BEAS.
Selling 200 shares of MSFT.
Selling 300 shares of AMZN.
Selling 400 shares of HWP.
There was an exception while creating and using the Trader.
This indicates that there was a problem communicating with the server:
java.rmi.RemoteException: CORBA UNKNOWN 0 No; nested exception is:
org.omg.CORBA.UNKNOWN: minor code: 0 completed: No
End statelessSession.Client...
Basically the call to the new method fails, and the server communication
error it produces doesn't provide much information. So question #1 is,
what's going on here?
Marshaling through the interface apparently fails. What orb are you using on the client?
>
And here's the really weird part: if I change the method signatures in
Trader and TraderBean so that the argument type is the concrete class
com.sun.jndi.ldap.LdapName instead of the interface javax.naming.Name
(which does extend java.io.Serializable, incidentally), it works fine!It appears that marshaling an interface (or abstract class) fails, but marshaling a concrete class succeeds.
>
>
I tried this with my own interfaces and concrete classes, and I get the
same strange behavior: calling methods with interface argument types on
the ejb via rmi-iiop fails with the above cryptic error, but methods
with concrete argument types work fine.
I also tried this out on a non-ejb rmi-iiop server object using jdk 1.3
but not weblogic. In that case both interfaces and concrete method
argument types work just fine.
Now I'm wondering if this could be a bug in weblogic.ejbc's iiop
generation. Can anyone else verify this problem?I'll look into this.
>
>
Edwin Park
[email protected]

RMI-IIOP Example for Java SE 6

Hi.
Can someone provide me an example (link or code) of how to write an RMI-IIOP remote object, bind it to jndi (glassfish) and then call it from within the glassfish application server (I'm calling from an EJB).
The guide available at http://java.sun.com/javase/6/docs/technotes/guides/rmi-iiop/tutorial.html is unfortunately not helpful because it the code there does not work when binding the remote object in glassfish JNDI (using empty InitialContext constructor) as opposed to the orbd daemon that is described in the guide.
Am I not allowed to bind RMI-IIOP objects in glassfish application server JNDI, i.e. do I have to use orbd?
Do you have to generate stubs for the remote objects in Java SE6? The tutorial says to do it but the exception I get on glassfish application server is not from the _<interface-name>Stub.java but rather from <interface-name>_DynamicStub.java.
Any help is greatly appreciated!

Are you trying to create an RMI-IIOP server inside an
Application Server (Glassfish)?I'm not really sure about how it all works but I don't think so. I am exporting my Remote objects (using PortableRemoteObject) from a standalone Java SE client app. Relating this to normal RMI I had assumed that this automatically started an RMI-IIOP server on an anonomous port, although I now see that the javadoc says that the export method only "Makes a server object ready to receive remote calls.", whatever that means. So if calling the export method doesn't start an RMI-IIOP server then I'm guessing I would have to start one, and then yes, if possible, I would like to do it in glassfish and avoid starting up more applications.
I am guessing I am missing something fundamental here..
The tutorial uses the JNDI Registry (tnameserv). (and
it works fine)Is that what is automatically started when glassfish application server is started?
Have you looked into using a Portable Object Adapter?No, I have not. I want to keep it as simple and close to regular RMI though, so if possible I would like to avoid POA.

RMI-IIOP use of TCP/IP

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