How corba client and server find Naming service

hello
i want to ask how corba client and server find the Naming service ?
10x

By using a well-known port (I think the default for JavaIDL's NS is 1049) on a well-known address (localhost).
As these values are not really standard, you can specify them when starting the server and client (+-ORBInitialPort 1050 -ORBInitialHost localhost+). See the documentation .

Similar Messages

How to create client and server app using node.js in firefox os.

I want to create a client and server app using node.js for firefox os. Please suggest me how to create a apps.
I want to send a request from client to server and based on client request, service reply to client.
If any links available, Please share it.
Thanks

Hi sb00349044,
The SUMO forums focuses on end-user support.
For questions about developing for Firefox OS, you will find better guidance in MDN, StackOverflow, and mailing lists:
* [https://developer.mozilla.org/en-US/Firefox_OS MDN - Firefox OS]
* [http://stackoverflow.com/questions/tagged/firefox-os StackOverflow - Firefox OS]
* [https://lists.mozilla.org/listinfo Mailing Lists at Mozilla]
Thanks,
- Ralph

Async tcp client and server. How can I determine that the client or the server is no longer available?

Hello. I would like to write async tcp client and server. I wrote this code but a have a problem, when I call the disconnect method on client or stop method on server. I can't identify that the client or the server is no longer connected.
I thought I will get an exception if the client or the server is not available but this is not happening.
private async void Process()
try
while (true)
var data = await this.Receive();
this.NewMessage.SafeInvoke(Encoding.ASCII.GetString(data));
catch (Exception exception)
How can I determine that the client or the server is no longer available?
Server
public class Server
private readonly Dictionary<IPEndPoint, TcpClient> clients = new Dictionary<IPEndPoint, TcpClient>();
private readonly List<CancellationTokenSource> cancellationTokens = new List<CancellationTokenSource>();
private TcpListener tcpListener;
private bool isStarted;
public event Action<string> NewMessage;
public async Task Start(int port)
this.tcpListener = TcpListener.Create(port);
this.tcpListener.Start();
this.isStarted = true;
while (this.isStarted)
var tcpClient = await this.tcpListener.AcceptTcpClientAsync();
var cts = new CancellationTokenSource();
this.cancellationTokens.Add(cts);
await Task.Factory.StartNew(() => this.Process(cts.Token, tcpClient), cts.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
public void Stop()
this.isStarted = false;
foreach (var cancellationTokenSource in this.cancellationTokens)
cancellationTokenSource.Cancel();
foreach (var tcpClient in this.clients.Values)
tcpClient.GetStream().Close();
tcpClient.Close();
this.clients.Clear();
public async Task SendMessage(string message, IPEndPoint endPoint)
try
var tcpClient = this.clients[endPoint];
await this.Send(tcpClient.GetStream(), Encoding.ASCII.GetBytes(message));
catch (Exception exception)
private async Task Process(CancellationToken cancellationToken, TcpClient tcpClient)
try
var stream = tcpClient.GetStream();
this.clients.Add((IPEndPoint)tcpClient.Client.RemoteEndPoint, tcpClient);
while (!cancellationToken.IsCancellationRequested)
var data = await this.Receive(stream);
this.NewMessage.SafeInvoke(Encoding.ASCII.GetString(data));
catch (Exception exception)
private async Task Send(NetworkStream stream, byte[] buf)
await stream.WriteAsync(BitConverter.GetBytes(buf.Length), 0, 4);
await stream.WriteAsync(buf, 0, buf.Length);
private async Task<byte[]> Receive(NetworkStream stream)
var lengthBytes = new byte[4];
await stream.ReadAsync(lengthBytes, 0, 4);
var length = BitConverter.ToInt32(lengthBytes, 0);
var buf = new byte[length];
await stream.ReadAsync(buf, 0, buf.Length);
return buf;
Client
public class Client
private TcpClient tcpClient;
private NetworkStream stream;
public event Action<string> NewMessage;
public async void Connect(string host, int port)
try
this.tcpClient = new TcpClient();
await this.tcpClient.ConnectAsync(host, port);
this.stream = this.tcpClient.GetStream();
this.Process();
catch (Exception exception)
public void Disconnect()
try
this.stream.Close();
this.tcpClient.Close();
catch (Exception exception)
public async void SendMessage(string message)
try
await this.Send(Encoding.ASCII.GetBytes(message));
catch (Exception exception)
private async void Process()
try
while (true)
var data = await this.Receive();
this.NewMessage.SafeInvoke(Encoding.ASCII.GetString(data));
catch (Exception exception)
private async Task Send(byte[] buf)
await this.stream.WriteAsync(BitConverter.GetBytes(buf.Length), 0, 4);
await this.stream.WriteAsync(buf, 0, buf.Length);
private async Task<byte[]> Receive()
var lengthBytes = new byte[4];
await this.stream.ReadAsync(lengthBytes, 0, 4);
var length = BitConverter.ToInt32(lengthBytes, 0);
var buf = new byte[length];
await this.stream.ReadAsync(buf, 0, buf.Length);
return buf;

Hi,
Have you debug these two applications? Does it go into the catch exception block when you close the client or the server?
According to my test, it will throw an exception when the client or the server is closed, just log the exception message in the catch block and then you'll get it:
private async void Process()
try
while (true)
var data = await this.Receive();
this.NewMessage.Invoke(Encoding.ASCII.GetString(data));
catch (Exception exception)
Console.WriteLine(exception.Message);
Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
By the way, I don't know what the SafeInvoke method is, it may be an extension method, right? I used Invoke instead to test it.
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How to run a datagram socket client and server program

hi,
I am new to socket programming. I am following the tutorial of sun for socket programming...The link is
http://java.sun.com/docs/books/tutorial/networking/datagrams/clientServer.html
I have understood the concept, but the problem is i cannot run the program. I am using netbeans and i have created a package and stored the files QuoteServer,QuoteServerThread, QuoteClient in this package. How can i make the server program run first and then client program in netbeans
kindly help me
Thankyou

I think you are trying to run both server and client
on one machine!!!
It is impossible, your server is blocking the port to
send packets, so you must run client on another
computer!!!It's not impossible to run a client and server on the same machine just for testing or as a demo. Just have the server listen on one port and the client use a different port.
No need to use 2 seperate computers. I've done it one computer before without a problem.
Nick

How to handle when Client and server write to the socket at the same time

Hi all,
I'm writing a socket communication when client and server may write information the the socket at the same time. I look every where but the samples from the internet only shows example of server replies to client after receiving requests from clients.
Let's say that:
Client 1 ->Socket 1 -> Server 1
Now if there are two threads in the server, one blocked waiting for the input from client on socket 1, the second one write something on the socket to client 1, is it possible?
And if it's possible, if at the time Server 1 writes information to Client 1, Client 1 writes some information to Server 1 too, will there be any conflict problem or the socket could handle that two ways communication simultaneously?
It's critical questions for me. Thanks for your help.

I really use Server Client paradigm. However, beside the request, response mechanism, there is also an additional mechanism called update which server periodically send information update to client without the need for a request from client.
So you suggest client should initiate 2 sockets, one for request and response, one for receiving update from the server? Will this work?

Configure client and server

Hi ,
Iam trying to configure client and server on OEL5.5 on vmware server i ahve 2 virtual machines which are on network i want to make one machine as server and another as client so on server machine i have a database called as SERVER and iam creating a listerner for it and my listener is created i chked my listener.ora files but on termianal when i execute
LSNRCTL> STATUS LISTENER1
TNS-01101: Could not find service name
LSNRCTL>
LSNRCTL> START LISTENER1
Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener1.log
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=oracle10g.home.com)(PORT=2525)))
TNS-12542: TNS:address already in use
TNS-12560: TNS:protocol adapter error
TNS-00512: Address already in use
Linux Error: 98: Address already in use
Listener failed to start. See the error message(s) above...
and copying and pasting the contents of listener.ora file
# listener.ora Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = oracle10g.home.com)(PORT = 2525))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
SID_LIST_LISTENER1 =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = server)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(SID_NAME = server)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = oracle10g.home.com)(PORT = 1521))
so as there is only 2 listeners on my machine named as listener which listens at 1521(default) and another which i created listener2 listens as 2525
so please help me and let me know where iam going wrong
Thanks in advance ....
with Regards
Kavita

user12665759 wrote:
Hi ,
Iam trying to configure client and server on OEL5.5 on vmware server i ahve 2 virtual machines which are on network i want to make one machine as server and another as client so on server machine i have a database called as SERVER and iam creating a listerner for it and my listener is created i chked my listener.ora files but on termianal when i execute
LSNRCTL> STATUS LISTENER1
TNS-01101: Could not find service name
LSNRCTL>
LSNRCTL> START LISTENER1
Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener1.log
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=oracle10g.home.com)(PORT=2525)))
TNS-12542: TNS:address already in useThose last two lines tell the tale. Something else is running on port 2525. Why are you trying to use that port for your listener?
Use netstat to find out what process is using the port.
And as a follow-up, why configure two listeners?
TNS-12560: TNS:protocol adapter error
TNS-00512: Address already in use
Linux Error: 98: Address already in use
Listener failed to start. See the error message(s) above...
and copying and pasting the contents of listener.ora file
# listener.ora Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = oracle10g.home.com)(PORT = 2525))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
SID_LIST_LISTENER1 =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = server)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(SID_NAME = server)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = oracle10g.home.com)(PORT = 1521))
so as there is only 2 listeners on my machine named as listener which listens at 1521(default) and another which i created listener2 listens as 2525
so please help me and let me know where iam going wrong
Thanks in advance ....
with Regards
Kavita

Error getting the server-side naming service functionality

Hi all,
we are currently setting up the CTS+ activity based transport scenario. Everything seems to be working fine, however, we have to import each transport twice...
Before I go into detail in the error we get I will first describe our landscape. All the configuration we did was done in debate with SAP.
We use the SAP Solution manager (ehp1 SP 4) as the CTS+ server as recommended by SAP and have an NWDI system of which we only use the components DTR and CBS (since CMS is not used anymore in the activity based transport). We have defined three logical ports/RFCs. CTSCONFIG points to the NWDI system. CTSDEPLOY is running on the java stack of the solution manager and is only used for portal content (=epa) transports. CTSDEPLOY_DI is pointing to the NWDI system and is used for all NWDI (=dip) changes. The NWDI is running ehp1 SP3.
In STMS I defined all the non-abap systems (and configured them to use CTSDEPLOY_DI) and created the following transport route:
upload system (IMP) -> DEV -> ACC -> QAS -> PRD
I first attached the used dependencies in a transport request (SAP_BUILDT, EP_BUILDT, etc) these imported just fine. Then I did the SCA files which contain our custom code. I extracted these from the assemble step on our current NWDI system which will be removed as soon as we switch to the new CTS+ environment.
When we import the transport into the runtime systems then we see the DTR and CBS be filled sucesfully for this specific system. However, the transport request itself always fails with errorcode 12 and the error is:
Error during export service registration: Error getting the server-side naming service functionality during getInitialContext opera
tion. com.sap.engine.services.jndi.persistent.exceptions.NamingException: Error getting the server-side naming service functionality during getInitialContext operation.
Error in execution of Web services CTSDEPLOY_DI , exception is cx_cts_file_import_failed
File import canceled
When we then reimport the same transport it will go the second time fine. This is no problem during the setup but will not be workable when we go live ofcourse. Is there anyone who had this issue before as well and have a solution for it?
Kind Regards,
Nico van der Linden...

Hello Nico,
I would need the java trace files to get more info on this issue, but you can start troubleshooting this error with these notes:
#1172252: CTS+, 'attach file': Troubleshooting Guide;
#1003674: Enhancement for non-ABAP systems in CTS;
#1155884: CTS+, configuration 'close coupling': Troubleshooting guide;
Pay special attention to parameter NON_ABAP_WBO_CLIENT, whether it's correctly set on your CTS+ system(s).
Note #1003674 is a must for any CTS+ systems to work properly, as well as having an updated version of the transport programs (tp and R3trans).
Lastly, note #1155884 goes through some JCoException exceptions that commonly take place during CTS+ transports. But again, you need to check the underlying trace files to find the root cause of your issue.
I hope this information helps.
Best regards,
Tomas Black

How to install and consume GroupWise Web Service (SOAP)

Hello! I'm Razvan, programmer from Romnia, and I am new to GroupWise development.
I am asking if anyone could help me with a C# Visual Studio 2010 example of how to install and consume GroupWise Web Service (SOAP).
The documentation from novell site didn't help me, i didn't understant much of it.
All I need is either a link to a documented GroupWise C# developer step-by-step tutorial, or some code examples.
Can you please show me some code examples in C# with:
1)loging in using a username and a password,
2)retrieving contact list,
3)retrieving appointment list,
4)sending a mail,
5)setting an appointment
I don't know how to use "groupwise.wsdl" and customise it so that it points to our GroupWise server.
Please, I really need this because I am working at a project right now which involves GroupWise integration.
I hope I haven't disturbed anyone with my simple question.
I know this might be a very simple question given the complexity of the other posts here, but that's why I really hope I will get an answer soon.
Thank you very much!
Signature:
How old is the Orthodox faith?
How old is the orthodox faith?

Just a comment.
The value for the version element should be "1.02"
not "1.2".
Preston
>>> On Tuesday, March 01, 2011 at 8:06 AM,
TheRomanian<[email protected]> wrote:
> I have great news! After strong documentation yesterday and today, I've
> just made a successfull example that actually connects to our GroupWise
> server.
>
> I made it in PHP.
>
> I need an ASP.NET + C# application, but now is very simple to convert
> it. I post the PHP code here for other people who in future might be
> interested in finding out.
>
> So a simple PHP GroupWise Login code using "groupwise.wsdl" web
> service:
>
>
> require_once('./GWService/GroupwiseService.php');
> require_once('FB.class.php');
>
> $classmap = array(
> 'Authenication' => 'Authenication',
> 'PlainText' => 'PlainText',
> 'loginRequest' => 'loginRequest',
> 'loginResponse' => 'loginResponse',
> 'logoutRequest' => 'logoutRequest',
> 'logoutResponse' => 'logoutResponse',
> 'UserInfo' => 'UserInfo',
> );
>
> $gwservice = new GroupwiseService(
> "./WSDL/groupwise.wsdl",
> array(
> "location" => "http://11.150.40.78:8756/soap",
> *Your GroupWise server IP:
> and PORT*
> "classmap" => $classmap,
> "trace" => true)
> );
>
> // do login
> $pt = new PlainText();
> $pt‑>username = *"YOUR GROUPWISE USERNAME"*;
> $pt‑>password = *"YOUR GROUPWISE PASSWORD"*;
>
> $lr = new loginRequest();
> $lr‑>auth = $pt;
> $lr‑>language = "en";
> $lr‑>version = "1.2";
> $lr‑>application = "phpClient";
>
> $lres = $gwservice‑>loginRequest($lr);
> //print_r($lres);
>
>
> I Hope this will help others.
>
> ‑‑
> Signature:
>
> How old is the Orthodox Faith?
> 'How old is the orthodox faith?'
> (http://www.orthodoxphotos.com/history.shtml)

Abap proxies ( Client and Server proxies)

Hi Team
Good day to you. I am now started doing some example scenarios on ABAP proxies(ie Client and Server proxies). After going through the blogs which are avialable, i am writing this question to you for clarification.
As per my understanding, the below are the required predefined settings which i need to do in my landscape to generate abap proxies(ie client and server proxies).
My landscape includes the below systems.
System A : SAP XI 3.0 system and
System B : SAP R/3 on WAS 620
SAP R/3 predefined Steps
1.Create HTTP connection in the business system.
2.Configuration Business system as local Integration Engine.
3. Connection between Business System and System Landscape Directory.
4. Maintaining the SAP J2EE Connection Parameters for LCRSAPRFC and SAPSLDAPI in SAP J2EE engine
(Here in the step 4, i found the below needs to be done)
1. Goto J2EE Engine
2. Choose Cluster --> Server --> Services. JCo RFC provider
3. Under RFC destination specify the following:
     Program ID: LCRSAPRFC
     Gateway Host: <Integration Server host>
     Gateway Service: <Integration Server gateway service>
     Number of process: 3
4. Under Repository specify the following:
5. Choose Set.
Application Server: <Integration Server host>
(i am not able to perform the steps which comes under point 4. so please Guide me how to goto J2EE engine and configure accordingly.
5. Maintain SLD access details in Transaction SLDAPICUST.
As per my understanding, i need to do the above predefined configuration steps in SAP R/3 system (ie bussiness System) for doing Abap Client or Server proxies.
And in the meantime, i would like to know whether i need to do any predefined configuration steps in XI 3.o system also. Please check and suggest me accordingly.
Once i get clarification on predefined configuration steps, i will proceed with the example scenarios on client and server proxies which are already in SDN.
Thanks in advance.
Regards
Raj

Hello Pavan
thanks for your response. you said that for the connection type 'H' we need to provide values for GATEWAY HOST and GATEWAY SERVICE but here i need to create the RFC destination of type 'T'. so please tell me whether i need to give the values for GATEWAY HOST and GATEWAY SERVICE for connection type 'T' also and the second thing is please tell me the difference between Application system and bussiness system accordingly to my landscape which i mentioned in my question.
I am in little confusion because as per the requirement for abap proxies in the blog they mentioned that all these setting should be done in the bussiness system (ie SAP R/3) but you are saying that Application system. so please clarify.
My landscape which i am going to use in Abap proxy generation
System A: XI 3.0
System B: R/3
Here which is bussiness system and which is application system. Pls calrify.
Thanks in advance.
Regards
Raj

How to develop and call Asynchronous web service

Hi All,
I need to have a java web service that will be called asynchronously.
That should execute, once triggered and caller shouldnt need to wait till its completion.
How to develop and call asynchronoue web service ?
Thanks
Saikrishna

Let your web service start its own background thread (*) somehow and move your business logic from web service to this thread. Then you can return from your web service. The client won't be blocked and your application will run on your server after service callout will be finished.
I hope that's what you need. Anyway, there is only "asynchronous communication" and nothing like "asynchronous web service". At least from HTTP point of view, every call is synchronous - you have request and response.
(*) You shouldn't start your own thread since you are in JEE world. Look at documentation for your container. E.g. for weblogic there are workers you can use this way. Or you can choose the other way. I hope that for any container you can just enqueue your web service request to any JMS queue and move your business logic to an appropriate MDB. Then, your web service will be just a simple JMS producer and your web service client won't be forced to wait for business logic to finish.
Last but not least, next time choose a better forum. :-)

Communication between two jvm (client and server)

Hi ,
   I want to access the UME service of the SAP J2EE Container using a stanalone client application.
So the client would be running on remote JVM.
Here we use the JNDI service to communicate between the client and server.
p.put(Context.INITIAL_CONTEXT_FACTORY,"com.sap.engine.services.jndi.InitialContextFactoryImpl");
                    p.put(Context.PROVIDER_URL, providerURL.trim());
                    p.put(Context.SECURITY_PRINCIPAL, securityPrinciple.trim());
                    p.put(Context.SECURITY_CREDENTIALS, securityCredentials.trim());
                    Context ctx = (Context) new InitialContext(p);
                    Object objRef = ctx.lookup(ejbName.trim());
I want to know that is the communication between the client and server secured in this scenario
Best Regards
Manoj

Okay, the client and server VMs are different implementations of the Hotspot engine. Hotspot basically takes the Java bytecode from your .class files and turns it into native machine instructions at runtime. (The optimizations are actually much more complex than that, but that's the basic concept.)
The client VM is so named because it's designed to be used for GUI-type applications interacting with the user. It is designed to have a quicker startup and smaller memory footprint.
The server VM uses more memory and is typically slower at starting up than the client VM, but can often perform ridiculously fast. This of course depends completely on the particular code being run, and you should probably profile and see which VM works better for your application.
Some interesting optimizations are performed by the 1.4.1 server VM, such as: removal of array-bounds checks (when it determines that the index can't become out of bounds), inlining of methods, and more.
Here is a link to more info if you're interested:
http://java.sun.com/products/hotspot/docs/whitepaper/Java_HotSpot_WP_Final_4_30_01.html

The version of OLE on the client and server machines does not match. (Exception from HRESULT: 0x80010110)

Hi,
I have installed FIM CM Client on one machine and FIM CM update service on another machine. Both are windows server 2008 r2 machines.
When i try to enroll a permanent smart card for a user, its shows me the following error:-
The version of OLE on the client and server machines does not match. (Exception from HRESULT: 0x80010110)
Also there is no logging done for the particular event.
I am able to change my smart card pin and view my smart card info. through the FIM CM client.
Is there a compatibility issue of FIM CM 2010 with Windows server 2008 r2?
Thanks

Hi,
Sorry for the delay in reply.
Please try the following steps first:
Open Powershell as Administrator
Go to Start--> Run and type wbemtest.exe.
•Click Connect.
•In the namespace text box type "root" (without quotes).
•Click Connect.
•Click Enum Instances…
•In the Class Info dialog box enter Superclass Name as "__ProviderHostQuotaConfiguration" (without quotes) and press OK. Note: the Superclass name includes a double underscore at the front.
•In the Query Result window, double-click "__ProviderHostQuotaConfiguration=@"
•In the Object Editor window, double-click HandlesPerHost.
•In the Value dialog, type in 8192
•Click Save Property.
•Click Save Object.
Under properties find the property "MemoryPerHost" or any other ones you need to modify and double click it
Change the value from 512 MB which is 536870912 to 1GB which is 1073741824
Click Save Property
Click Save Object.
•Close Wbemtest.
•Restart the computer.
And if all nodes are Windows server 2012, install the following update rollup as well:
Windows RT, Windows 8, and Windows Server 2012 update rollup: August 2013
http://support.microsoft.com/KB/2862768
If you have any feedback on our support, please send to [email protected]

Connection between SDM client and server is broken

Dear All,
First of all this is what I have
-NW04 SPS 17
-NWDS Version: 7.0.09 Build id: 200608262203
-using VPN connection
-telnet on port 57018 is succesfull
I can login to SDM server (from NWDS and from SDM GUI) I can see the state of SDM(green light), restart it, can navigate through tabs in GUI, but every time I am trying to deploy an ear i have this error:
Deployment exception : Filetransfer failed: Error received from server: Connection between SDM client and server is broken
Inner exception was :
Filetransfer failed: Error received from server: Connection between SDM client and server is broken
I have already read a lot of topics,blogs,notes but didn't find the solution.
Can anybody help me?
Best Regards

Having same issue. Nothing helped so far... Using NWDS 7.0 SP18.
I have turned SDM tracing on and this is what I see on client side after sending first data package:
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: debug "20120224140253 0280/17 Client: finished sending string part"
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: debug "20120224140253 0280/0 Client: receive String part from Server"
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl.receiveFromServer(NetComm ..): Entering method
com.sap.bc.cts.tp.net.NetComm.receive(): Entering method
com.sap.bc.cts.tp.net.NetComm: debug "Method "receive(char[])" could not read all requested bytes. There are still 12 bytes to read"
com.sap.bc.cts.tp.net.NetComm: debug "Caught IOException during read of header bytes (-1, 43):Connection reset"
com.sap.bc.cts.tp.net.NetComm: debug " throwing IOException(net.id_000001)"
com.sap.bc.cts.tp.net.NetComm.receive(): Exiting method
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: Exiting method
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: debug "20120224140253 0281/1 Client: connection was broken"
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: Exiting method
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: debug "20120224140253 0281/0 Client: finshed sendAndReceive"
com.sap.sdm.is.cs.cmd.client.impl.CmdClientImpl: Exiting method
My connection on server is still active so I have to restart SDM server to reset and try it again.
Anyone have idea whats happening?
Edited by: skyrma on Feb 24, 2012 2:46 PM
Edited by: skyrma on Feb 24, 2012 2:47 PM
Edited by: skyrma on Feb 24, 2012 2:47 PM

Client and Server in one process

Hi all,
I am trying to create a process which can act as both Client and Server.
How can I do this?
Thanks!

AH. That's a better definition or explanation. Thanks.
This smells of a single process with multiple threads, each thread handling the basic needs of your requirements. In other words, have a thread deal with making one or more client type connections (use a main thread - the client controller - to spawn client-connection threads. This assumes you need multiplicity in your client-connection model.
Then make another thread - the server controller - to handle inbound connections, spawning a new thread for each inbound connection. Your main thread, the one that contains your main method, can watch everything that's going on and log or report what's going on in your client and server threads.
Going into specifics would be a lot to do here. Maybe someone is up for the challenge. Of course, this being a "New to Java Technology" forum, these concepts may be a bit beyond your skillset.
This is not the only way to go about solving your problem, but it's the only way I can think of at the moment given your requirements.
Hope this helps some.

JSSE Client and server communication problem .err:untrusted server cert

Hai all,
I am trying to communicate JSSE client and server.
I have created root.cert(CA),root.key,server.cert,server.key , client.cert and client.key. All these certificates are created using openssl.
I have placed root.cert in default keystore cacerts.
I have created a keystores(server & client) name mykeystore.
I have placed root.cert and client.cert in the client keystore.
I have placed root.cert and server.cert in the server keystore.
But during the run time i am getting javax.net.ssl.SSLException: untrusted server cert chain.
please suggest the modifications needs to be done to fix the error.
please tell me In the client keystore and in the server keystore....what certificates we need to put?
whether my approach as said above is correct or not?
In java code how to specify this particular certificate we are referring?
I have coded in this way ....
SSLContext ctx;
KeyManagerFactory kmf;
KeyStore ks;
char[] prasad = "prasad".toCharArray();
ctx = SSLContext.getInstance("SSLv3");
kmf = KeyManagerFactory.getInstance("SunX509");
ks = KeyStore.getInstance("jks");
ks.load(new FileInputStream("mykeystore"), prasad);
kmf.init(ks, prasad);
ctx.init(kmf.getKeyManagers(), null, null);
factory = ctx.getSocketFactory();
But my doubt is we are specifying only keystore name with that how it will check root.cert(ca) and client.cert and server.cert?
Is there any modifications need in my code?
Please tell me some way ...
Thanks ,
Prasad.

Hi prasad,
There will be a problem with the certificates being received from thr remote server or client. Check that your trust store contains the certificate of the remote machine or the CA that signed it and that the certificate has not expired.
Also be sure that both machines are using the latest version of the JSSE.
Hope this will help you.
Regards,
Anil.
Technical Support Engineer.

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