Regarding tcp/ip server side

Hello all,
hope its not too irrelevant to the labview.
I have gone through "simple data client.vi" and "simple data server.vi" examples, want to replace simple data server.vi with a simple c program on a different computer.
Can someone please hint me how to form it?? using v8.5. The ultimate need is: c-program sends the required data to client(labview) whenever it is being requested.
The labview and c-program are on different PCs.
Not sure whether simple c-language instructions inport and outport(from dos.h) will do? or do I need to do some socket programming??
Thanking you.
Message Edited by Parny on 12-09-2007 08:10 PM

Hi,
You should be able to find a good TCP example written in C on the internet. Searching on NI's website will most likely only yield LabVIEW examples. Here is one link I found on the internet. I would search google for "tcp" and "C" to see what you might be able to find.
Eric A.
National Instruments
Distributed I/O Product Support Engineer

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TCP EXTEND Server SIde configuration

one of the configuration which is required for server proxy scheme is address ofteh server
I can't specify localhost as server and tcp client is going to run on two differenet servers
I have to run this tcp extend server for 3-4 server for failover support
How can I specify address ( IP ADDRESS HERE) which can changed for each server configuration without specifying this config for each server differenetly
can I replace this address besed on property or system parameter or spring injection.
<proxy-scheme>
<service-name>ExtendTcpProxyService</service-name>
<thread-count>5</thread-count>
<acceptor-config>
<tcp-acceptor>
<local-address>
*<address>IP ADDRESS OF SERVER HERE</address>*
<port>9099</port>
</local-address>
</tcp-acceptor>
</acceptor-config>
<autostart>true</autostart>
</proxy-scheme>
</caching-schemes>

Why can't you use localhost? Surely this is what you want unless you are running on a machine with multiple network cards and need to bind to a particular address.
If you really want to be able to specify a different address for each machine you can do this
<proxy-scheme>
<service-name>ExtendTcpProxyService</service-name>
<thread-count>5</thread-count>
<acceptor-config>
    <tcp-acceptor>
        <local-address>
            <address system-property="extend.address"></address>
            <port>9099</port>
        </local-address>
      </tcp-acceptor>
    </acceptor-config>
<autostart>true</autostart>
</proxy-scheme>Coherence will now use the value of the extend.address system property as the value for your address. This can be passed in on the command line like this:
java -cp coherence.jar -Dextend.address=IP_ADDRESS_HERE com.tangosol.net.DefaultCacheServerObviously your command to start the cache servers would probably have more in it than that.
JK

Getting following exception on TCP ssl at server side

Hi,
I am trying to setup an ssl client and ssl server.
But on ssl client side, My need_wrap going into loop(Buffer overflow)
On my server side, i am getting following error.
Please help me...I am not getting much discussion/articles to solve this problem.
javax.net.ssl.SSLProtocolException: Handshake message sequence violation, state = 1, type = 1
javax.net.ssl.SSLProtocolException: Handshake message sequence violation, state = 1, type = 1
at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1371)
at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:513)
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:790)
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:758)
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
at com.ipay.ssl.SSLServerNio.doHandshake(SSLServerNio.java:55)
at com.ipay.ssl.SSLServerNio.main(SSLServerNio.java:215)
Caused by: javax.net.ssl.SSLProtocolException: Handshake message sequence violation, state = 1, type = 1
at sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:156)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868)
at sun.security.ssl.Handshaker$1.run(Handshaker.java:808)
at sun.security.ssl.Handshaker$1.run(Handshaker.java:806)
at java.security.AccessController.doPrivileged(Native Method)
at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1299)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
My server handshake code look like this.
void doHandshake(SocketChannel socketChannel, SSLEngine engine,
         ByteBuffer myNetSendData, ByteBuffer myNetRecieveData) throws Exception {
     // Create byte buffers to use for holding application data
ByteBuffer myAppDataSend = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
ByteBuffer myAppDataRecieve = ByteBuffer.allocate(engine.getSession().getApplicationBufferSize());
System.out.println(engine.getPeerPort());
     // Begin handshake
     engine.beginHandshake();
     SSLEngineResult.HandshakeStatus hs = engine.getHandshakeStatus();
     // Process handshaking message
     while (hs != SSLEngineResult.HandshakeStatus.FINISHED &&
         hs != SSLEngineResult.HandshakeStatus.NOT_HANDSHAKING) {
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          System.out.println("Reached NEED UNWRAP");
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             if (socketChannel.read(myNetRecieveData) < 0) {
                 // Handle closed channel
              System.out.println("not able toRead data from channel to buffer at client");
             myNetRecieveData.flip();
             // Process incoming handshaking data
             SSLEngineResult res = engine.unwrap(myNetRecieveData, myAppDataRecieve);
           // myNetRecieveData.compact();
             // Getting handshake status
             hs = res.getHandshakeStatus();
             System.out.println("Debugging in NEED_UNWRAP-->"+hs);
             // Check status
             switch (res.getStatus()) {
             case OK :
                 // Handle OK status
              System.out.println("OK");
                 break;
             case BUFFER_OVERFLOW:
              System.out.println("BUFFER OVERFLOW");
              break;
             case BUFFER_UNDERFLOW:
              System.out.println("BUFFER UNDERFLOW");
              /* if (socketChannel.read(myNetRecieveData) < 0) {
                 // Handle closed channel
              System.out.println("not able toRead data from channel to buffer at client");
              hs=HandshakeStatus.NEED_UNWRAP;
              System.out.println("Read data on underflow condition");
              break;
             case CLOSED:
              System.out.println("CLOSED");
              break;
             // Handle other status: BUFFER_UNDERFLOW, BUFFER_OVERFLOW, CLOSED
             break;
         case NEED_WRAP :
          System.out.println("Reached NEED WRAP");
             // Empty the local network packet buffer.
             // Generate handshaking data
          //myAppDataSend.flip();
             res = engine.wrap(myAppDataSend, myNetSendData);
             // Getting handshake status
             hs = res.getHandshakeStatus();
             System.out.println("Debugging in NEED_WRAP-->"+hs);
             // Check status
             switch (res.getStatus()) {
             case OK :
              System.out.println("OK");
                 myNetSendData.flip();
                 // Send the handshaking data to peer
                 while (myNetSendData.hasRemaining()) {
                     if (socketChannel.write(myNetSendData) < 0) {
                         // closing socket channel
                 break;
             case BUFFER_OVERFLOW:
              System.out.println("BUFFER OVERFLOW");
              //Writing network send buffer
              myNetSendData.flip();
                 while (myNetSendData.hasRemaining()) {
              if(socketChannel.write(myNetSendData) < 0)
              System.out.println("Some thing wrong happened");
              System.out.println("written data");
              hs=HandshakeStatus.NEED_WRAP;
              break;
             case BUFFER_UNDERFLOW:
              System.out.println("BUFFER UNDERFLOW");
              break;
             case CLOSED:
              System.out.println("CLOSED");
              break;
             // Handle other status: BUFFER_OVERFLOW, BUFFER_UNDERFLOW, CLOSED
              break;
         case NEED_TASK :
          System.out.println("NEED TASK");
          System.out.println("Debugging in NEED_TASK-->"+hs);
          Runnable task;
          while((task=engine.getDelegatedTask()) != null)
          System.out.println("Inside while loop");
          ExecutorService executorService = Executors.newFixedThreadPool(1);
          executorService.execute(task);
             // Handle blocking tasks
          hs=engine.getHandshakeStatus();
          System.out.println("Printing"+engine.getHandshakeStatus());
          break;
         case FINISHED:
          System.out.println("Debugging in FINISHED-->"+hs);
          System.out.println("handshake done");
          hs=HandshakeStatus.FINISHED;
                break;
         // Handle other status: // FINISHED or NOT_HANDSHAKING
     // Processes after handshaking
brs,
varghese

Hi Zia,
The error is...
Caused by: java.io.InvalidClassException: org.eclipse.persistence.indirection.IndirectList; local class incompatible: stream classdesc serialVersionUID = 4038061360325736360, local class serialVersionUID = -494763524358427112
...which means you have two different versions of org.eclipse.persistence.indirection.IndirectList, one on the server and one in the client (JDeveloper). As these classes have different serialVersionUID values then Java throws an exception when deserializing as they are probably not compatible.
I don't know much about the Eclipse stuff but from looking at your post I can only assume one version of the class is in D:\Coherence\toplink\jlib\eclipselink.jar on the Coherence server side and the other is in JDevloper in D:\OracleSOA\Middleware\modules\org.eclipse.persistence_1.1.0.0_2-1.jar as these are the only jar file containing "eclipse" that I can see on the classpaths.
JK

HOWTO: Setting up Server-Side Authentication with SSL

This howto covers the configuration of server-side SSL authentication for both Net8 and IIOP (JServer) connections. It documents the steps required to set up an SSL encrypted connection; it does not cover certificate authentication.
It is worthwhile noting that although the setup of SSL requires the installation of certificates, these certificates do not have to be current, only valid. For some reason, in order to enable SSL connections, it is necessary to set up valid certificate file on the server whether you intend to use certificate authentication or not.
NOTE: I have been unable to determine whether or not the above statement is entirely correct. If anyone can confirm or disprove it, please let me know.
The steps described below must all be carried out from the same logon account. They have been tested on both 816 and 817 databases, but will probably work for all versions, including 9i (unless there have been some drastic changes in 9i that I'm not aware of).
1. Log on to the database server with an administrative login.
Configure the database and listener to run under the current login account (Control Panel -> Services). It is not necessary to restart these services at this time.
2. Create an Oracle wallet and set up the required certificates
(i) Open the Oracle Wallet Manager:
Start -> Programs -> [Oracle Home] -> Network Administration -> Wallet Manager
(ii) Create a new wallet (Wallet -> New).
(iii) When prompted, elect to generate a certificate request.
(iv) On the request form, the only field that matters is the Common Name. Enter the fully qualified domain name (FQDN) of the database server (i.e. the name with which the database server will be referenced by clients).
(v) Export the certificate request to file (Operations -> Export Certificate Request).
(vi) Obtain a valid server certificate from an authorised signing authority. It will also be necessary to download the signing authoritys publicly available trusted root certificate. Certificates can be obtained from Verisign (http://www.verisign.com/)
(vii) Install the trusted root certificate obtained in (vi) into the wallet (Operations -> Import Trusted Certificate). Either paste the contents of the certificate file, or browse to the file on the file system.
(viii) Install the server certificate obtained in (vi) into the wallet (Operations -> Import User Certificate). Either paste the contents of the certificate file, or browse to the file on the file system.
(ix) Save the wallet (Wallet -> Save). The wallet will be saved to the [user home]\Oracle\Wallets directory.
3. Configure the listener for SSL.
(i) Open the Oracle Net8 Assistant:
Start -> Programs -> [Oracle Home] -> Network Administration -> Net8 Assistant
(ii) Select Net8 Configuration -> Local -> Profile.
(iii) From the drop-down list at right, select Oracle Advanced Security. Select the SSL tab.
(iv) Select the Server radio button.
(v) In the wallet directory field, enter the location of the wallet created in step 2, e.g. C:\WINNT\Profiles\oracleuser\ORACLE\WALLET
(vi) Uncheck the Require Client Authentication checkbox.
(vii) Select Net8 Configuration -> Listeners -> [listener name].
(viii) Add a new address:
Protocol: TCP/IP with SSL
Host: [database server FQDN] (e.g. oraserver)
Port: 2484
(ix) Add a second new address:
Protocol: TCP/IP with SSL
Host: [database server FQDN] (e.g. oraserver)
Port: 2482
Check the Dedicate this endpoint to IIOP connections checkbox.
(x) Save the Net8 configuration (File p Save Network Configuration).
(xi) Restart the listener service.
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(i) Open the database inti.ora file (\admin\[SID]\pfile\init.ora or equivalent).
(ii) At the bottom of the file, uncomment the line that reads
mts_dispatchers = "(PROTOCOL=TCPS)(PRE=oracle.aurora.server.SGiopServer)"
(iii) Save the file and restart the database service.
5. Test the SSL confi guration using the Net8 Assistant.
(i) Open the Oracle Net8 Assistant.
(ii) Select Net8 Configuration -> Local -> Service Naming.
(iii) Add a new net service (Edit p Create).
Net service name: [SID].auth (e.g. iasdb.auth)
Protocol: TCP/IP with SSL
Host: [database server] (e.g. oraserver)
Port: 2484
Service Name/SID: [SID] (e.g. iasdb.orion.internal)
Note: at the end of the net service configuration, click Finish, not Test. The test can hang if run from the wizard.
(iv) Test the connection (Command -> Test Service). If the only error to appear is username/password denied, the test has succeeded.
null

Dear Alex,
Thank you for reaching the Small Business Support Community.
I would first suggest you to uncheck the "Perfect Forward Secrecy" setting on the RVS4000 and if see if there is some similar setting enabled, then disable it, on the other side. If still the same thing happens, then go to RVS4000, VPN Advanced settings, and disable the "Aggressive Mode" so it becomes "Main mode" and use the same on the other end of the tunnel.
Just in case and as a VPN configuration guide, below is a document called "IPSec VPN setup" if it helps somehow;
http://sbkb.cisco.com/CiscoSB/Loginr.aspx?login=1&pid=2&app=search&vw=1&articleid=587
Besides my suggestions I would advise you to contact your ISP to make sure there is no IPSec traffic restrictions and/or if there is something in particular they require to make this happen and please do not hesitate to reach me back if there is any further assistance I may help you with.
Kind regards,
Jeffrey Rodriguez S. .:|:.:|:.
Cisco Customer Support Engineer
*Please rate the Post so other will know when an answer has been found.

Establish a connection through RF modem's on client & server side & to set up PPP communication for data transfer

hi
can any1 over here help me out in how to establish connection between 2 RF modem's for data transfer , between client & server USing LABVIEW?
I want to establish a connection between 2 PC's through RF modem on client & server side & to set up PPP communication for data transfer.
(I have tried data transfer through RS-232 using TCP/IP whn the 2 PC's are connected over ethernet... which is working.
I also tried connecting loopback cable between 2 PC's COM port & geting data transfer using VIsa configure serial port & other visa functions ... which is working)
can u guide me how to establish connection between 2 RF modem's using LABview?
& how does the data transfer take place between 2 RF modems through RS-232?
is it using TCP/IP?
If you got any links to go abt this issue do send me related links .. or any examples .....
I am currently using Labview version 8.
Waiting in anticipation.. reply ASAP..
thanking you
Regards
Yogan..

Howdy yogan,
Maybe you could clarify a few things for me, and we'll see how we can help ya. TCP/IP protocol occurs through an ethernet connection; RS-232 communication occurs through an RS-232 serial connection, typically through a cable that has a DB9 connector on both ends. Do you mean that the RF modems in question have the option to communicate via RS-232 and/or via TCP/IP ethernet? Specific information like the manufacturer of your RF modems, the model number of your RF modems, and how you connect the modems to the PC would enable us to give you more efficient support.
You can check our Instrument Driver Network (IDNet) to see if a plug-and-play/IVI driver already exists for your RF modem. (You'll need to know its manufacturer and model number.) In the case that you do find an IDNet driver for your modem, you can use this KnowledgeBase article for instructions on how to use the driver.
Another excellent resource to consider is the NI Example Finder. You can access this within LabVIEW by navigating to Help»Find Examples and then searching for serial or TCP/IP examples.
Message Edited by pBerg on 03-10-2008 04:35 PM
Warm regards,
pBerg

Server side does not detect network failure

Hi folks,
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Thanks for help.
Regards
Bulent

That is how TCP works (noting that it has nothing to do with java.)
Your solution is one of the following or some combination...
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Hi All,
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Hi Robin,
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Hello,
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/people/ingo.hilgefort/blog/2008/09/19/businessobjects-and-sap--configure-sap-authentication
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https://websmp106.sap-ag.de/~sapidb/011000358700001646962008E/XI3-1_BIP_SAP_INSTALL_EN.pdf
I've found a similar discussions here ;
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Thank you Mr Hilgefort for your detailled explanations.
I now have to provide some explanations to my managers, and to be honest , there are still some points that
are unclear to me, and it would be extremely helpful if could confirm (or not) the follwoing points.
When scheduing Webi report from the sap portal, we're getting SSO errors.
SAP provide the follwoing note explaining how to extend the validity of the J2EE token (Portal token), but this is not a long term solution, at certain point of time the ticket will expire. Webi shceduling should not be perfromed from the Portal.
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thank you for your patience.
Best Regards.

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Edited by: user4592285 on 2012-10-18 上午6:48

Hi,
As Gurus suggested, you will have to restrict viewing of data through dimension level security.
Give access of members to users, only which are relevant to users so that they can't view other user's data/members.
Like give access of members belonging to HR dept only to HR users and give access of Finance dept related members to finance users only.
Hence HR users will view only HR relevant data and won't be able to view (read or write) finance related data and vice-sa-versa.
Hope this helps
Regards
-SM
Edited by: 918547 on Oct 18, 2012 8:40 PM

Can i use same Server for server side and client??

Hi,
i m developing webservices in java and using two different server for server side and client.
e.g. i m using one tomcat server on a machine to run webservice and again using one more tomcat server on client side at different machine.
and hence it need two tomcat server.
But i want only one server to run webservice and client.
So please help me out...
Thanks

Hi,
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REgards,
Ravi.

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Hi,
I have Page1 which will retrieve some data into a internal table. Once user performs an action I want to set a server side cookie in Page1 and then retrieve that cookie with data in Page2 of the same BSP and display it?
Is this possible using set/get server cookies?
Thanks
Kiran

Hi Kiran,
Yes, you can.
Basically, you set a server-side cookie in the event OnInputProcessing of Page 1 (or the MVC equivalent) :
cl_bsp_server_side_cookie=>set_server_cookie(
exporting
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    session_id = 'NONE'
    data_value = <your_data_here>
    data_name = 'NONE'
    expiry_time_rek = 3600 ).
And, you retrieve this information in the OnInitialization event of Page 2 :
cl_bsp_server_side_cookie=>get_server_cookie(
exporting
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    session_id = 'NONE'
    data_name = 'NONE'
IMPORTING
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    expiry_time = w_time
CHANGING
    data_value = <your_data_here> ).
Best regards,
Guillaume

SharePoint Designer 2013: Server-side activities have been updated

When developing custom activities for SharePoint 2013 Workflows, I ran into the problem that SharePoint Designer prompts “Server-side activities have been updated. Please restart SharePoint designer” every time when you try to create a new workflow.

Hi,
I recommend to clear/delete the cached files and folders under the following directories from your server installed SharePoint Designer, then check results again.
<user profile>\appdata\roaming\microsoft\SharePoint Designer\ProxyAssemblyCache
< user profile>\appdata\local\microsoft\websitecache\<sitename>
http://social.technet.microsoft.com/Forums/en-US/5796972e-3a92-4306-8cf1-e1e7b9ab9635/error-while-saving-a-workflow-via-sharepoint-designer-serverside-activities-have-been-updated-you?forum=sharepointcustomization
If the issue still occurs, please re-install SharePoint Designer.
Best regards.
Thanks
Victoria Xia
TechNet Community Support

Server side function not get called after dispatching cairngorm event second time on same page

Hi All,
I am facing a urgent issue regarding cairngorm event. Actually my page contain 3 button add,delete,save
and clicking of any button I do the respected functionality. For ex:
I click the add button & on clicking of add button I fire a cairngorm evnt & after getting response from server side that the record is added
I displayed a message that the record is added & update the data source.
After addition of the record , with out going to other page if I perform the same functionaly(Like adding another record) on same page the cairngorm
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I dont know why the server side function not get called?. similarly if I try for delete or update case the same things happend. Only for the first time it works properly but not for the second time.
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Ujjwal

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In ASP.NET we would typically bind repeating controls such as DataLists and Repeaters manually using <i>Control</i>.DataBind(), because we're usually using a separate class library containing collections for our objects. Seems the SAP Table control doesn't like this approach.
I changed the code so that the databinding is specified on the control, and call the Page's DataBind() method and it all worked fine.
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<%@ Assembly Name="AssemblyName" %>

How to install owb server-side software on UNIX Solaris (SPACR-64)?

Hi there,
How to install owb server-side software on UNIX Solaris (SPACR-64)?
I've read the install guide
and it mentions
3. Start the installer by entering the following at the prompt:
cd mount_point
./runInstaller
I don't have access to any graphical interface on the UNIX box e.g. x-windows nor any cd with the software, just the solaris software downloaded from web - does this include the runinstaller
and is the runisnatller just a command line interface?
I hoped I would be able to download the software from oracle website and then simply run the a setup scrip?
Is it possible to do this? Would I simply substitute cd mount_point to cd <directory I put software)
I've never ran oracle universall installer on UNIX before.
Many Thanks
Edited by: user575470 on Feb 15, 2009 7:54 AM
Edited by: user575470 on Feb 15, 2009 8:06 AM

Hi,
You can install the server-side software from the downloaded software.
You don't need the CD
You do need an X-windows client on your computer to connect to the server OR work directly on the server.
Without X-windows you cannot start the Oracle Universal Installer.
Maybe there is a command line installation, I have never used this.
I hope this helps.
Regards,
Emile

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

Regarding tcp/ip server side

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