VXI 11.3 server implementation using NI-VISA APIs

Hi,
Could some one please let me know :- "How to implement VXI 11.3 server using NI-VISA lib ?" Is there any code sample or Document available for the same?
Thanks in advance
Rahul

Have you programed your server? Can you communicate with me about the subject? My email is [email protected] QQ: 540028839

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Active server implementation using jaas

Active server implementation using jaas----------can someone suggest me how to go about it
help needed immediately

Have you programed your server? Can you communicate with me about the subject? My email is [email protected] QQ: 540028839

Question, in a client server implemention

Question, in a client server implemention using only basic sockets and datagrams, what happens if a method is being called at the server side while the same method is already being called/running for another client?
Example:
Client 1 calls Method 1 at Server Side. Method 1 runs.
Client 2 calls Method 1 at Server Side. Method 1 is still running for Client 1. Does it create another Thread and runs for Client 2? Or do I have to implement a seperate Thread for each Client myself?

Thanks!
Don't want to start a new thread so might as well ask this here,
Is there a way to pass or at least update the value of a variable from the outside into a Thread that is running? And this value needs to be seen and be the same for all Threads.
I am thinking of creating new a class that to hold the value I want to update, and passing an object of the class in to the Threads before they runs. Since objects hold reference to the location of the actual object or something like that; people always get worked up over this if I phrase this incorrectly, but I think I got the point across, so that's okay. If I change the value of the object at runtime in the main method, like assign it with a new value according to user input. All the Threads will get the new value right?
Something like that.
public class valueToUpdate {
String value;
public valueToUpdate(String value) {
this.value = value;
public String getValue() {
return value;
public class Main {
public static void main(String[] args) {
String str = "abc";
valueToUpdate vTU = new valueToUpdate(str);
ThreadClass tc1 = new ThreadClass(vTU);
Thread thread1 = new Thread(tc1).start();
ThreadClass tc2 = new ThreadClass(vTU);
Thread thread2 = new Thread(tc2).start();
public class ThreadClass implements Runnable {
valueToUpdate vTU;
public ThreadClass(valueToUpdate vTU) {
this.valueToUpdate = valueToUpdate;
public void run() {
System.out.println(valueToUpdate.getValue());
}Okay, something like that. I know I need to add in a TimerTask for ThreadClass too for it to run for a certain period. But if I were to ask for user input at the main method while the TimerTask in running, and I change the value of vTU, will the output for both Threads be changed to the value of the user input?
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Pull large amounts of data using odata, client API and so takes a long time in project server 2013

We are trying to pull large amounts of data in project server 2013 using both client API and odata calls, but it seem to take a long time. How is this done
In project server 2010 we did this creating SQL views in both the reporting database and for list creating a view in the content database. Our IT dept is saying we can't do this anymore. How does a view in Project database or content database create issues?
As long as we don't add a field in the table. So how's one to do this with creating a view?

Hello,
If you are using Project Server 2013 on premise I would recommend using T-SQL against the dbo. schema in the Project Web Database for your reports, this will be far quicker that the APIs. You can create custom objects in the dbo. schema, see the link below:
https://msdn.microsoft.com/en-us/library/office/ee767687.aspx#pj15_Architecture_DAL
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Paul Mather | Twitter |
http://pwmather.wordpress.com | CPS |
MVP | Downloads

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Hi,
A similar question was posted on Discussion Forums soem time back. Please see the link below.
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000C7B00000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0
You would find the last post in the above thread quite useful where it has a link to OpenG code. I am also copying that link for your reference.
http://www.openg.org/tiki/tiki-index.php?page=OpenG+Internet+Connectivity+Tools
Please feel free to respond to this post with any questions/comments you may have.
Regards,
Ankita A.
National Instruments

IS it possible to use ni-visa with lookout to use an instrument driver

IS it possible to use ni-visa with lookout to use an instrument driver,, or just use the insturment driver...
Thanks
Mark

Hi Mark,
NI-VISA is a driver layer that is used to communicate to Serial, GPIB, VXI and PXI platform.
In reality the drivers that you use with Lookot do not make use of this driver layer called VISA (which is used for the most part in the instrument control area).
Normally the terminology (Instrument Driver) is not used in Lookout (or in any SCADA system). So the answer for your question is no, you cannot use NI-VISA with Lookout, with Lookout you either use the drivers object that comes with the package or you use an OPC server (normaly provided by the hardware manufacturer, this hardware is normally a PLC) to provide data to Lookout.
I hope it helps
Regards
Andre Oliveira
Applications Engineer
National Instruments

Install and configure Tomcat post-Crystal Reports Server implementation?

Scenario - have Crystal Reports Server 2008 V1 already installed using WACS and IIS. Everything runs great. Want to add in SAP Crystal Dashboard Design. Looking through the documentation for Dashboard Design tells me I need to:
1. Install SAP BusinessObjects Enterprise or Crystal Reports Server.
2. Install SAP BusinessObjects Xcelsius Enterprise 2008.
3. Install Live Office.
4. Install SAP BusinessObjects Web Services.
5. Add the Live Office keycode to the Central Management Console
Made it past 3 and am hung up on 4. According to documentation for Unified Web Services, it looks like I need Tomcat installed, but Crystal Reports Server doesn't offer an expand installation option. There also doesn't seem to be any good documentation included with SAP Crystal Dashboard Design on installing web services - if it's required, why isn't it included and where can I find the documentation (assuming it's different than the Unified Web Services Administrator's Guide I found).
It seems odd that a customer who might want to purchase an add-on for their Crystal Reports Server implementation wouldn't be able to easily add to their product..
1) Can I install web services to Crystal Reports Server using just the WACS or is Tomcat required? The admin guide indicates WACS is not supported for apps that use web services, like Live Office. Is that an absolute?
2) If Tomcat is required, can I install and configure it for an existing Crystal Reports Server 2008 V1 implementation?
3) If i can install Tomcat on a server with an existing Crystal Reports Server 2008 V1 implementation, is there a specific guide to doing so?

Hi Colin,
What is the exact version of BO/Crystal Enterprise.
If it is BOXI R2 then follow below mentioned steps.
To manually install the ActiveX Viewer on the client computer:
1. Copy the ActiveXViewer.cab file from the server to the client computer, and extract its contents to a temporary folder.
2. Move the files Crviewer.dll, Crviewer9.dll, Sviewhlp.dll, and Swebrs.dll to the System32 folder. Keep this folder visible.
3. On the Start menu, click Run. The Run dialog box appears.
4. In the Open box, type "regsvr32" and then drag and drop the Crviewer.dll file icon from the System32 folder onto the Run dialog box.
5 Click OK.
Repeat steps 3 and 4 for the files Sviewhlp.dll, and Swebrs.dll.
You may still be prompted by the browser, choose more options and never install to avoid being prompted. The viewer should work after that.
Thanks,
Purna.

Why seperate DMS server is used

hi, all,
this is benakarajes hey i have some clarification,
in DMS implementation,
a] why the separate DMS server[content server]installed.
b] is this mandatory to install separete server for DMS.
rdgs
ben

Hi,
DMS sizing (content server sizing) is an extra space provided to DMS documents apart from standard SAP Database storage.
this storage is mainly preferred where large amount of files (documents) need to be stored.
If standard SAP database is used then this will lead load on ECC server.
in order to avoid this, DMS content server is used.
Attributes considered are,
1) size of the content server depending upon the volume of documents in terms of word/excel/autocad etc per year and for projected 3-4 years.
2) depending upon the size of the content server estimated in 1, selection of hardware is required.
3) the platform on which this content server would be installed, it may be maxdb, 2003 server or unix etc.
hope this helps U..!
Thank You,
Manoj
award if useful..!

Minimal http 1.1 server implementation

Hi,
does anyone know a really simple (< 10 classes?) http 1.1 server implementation which at least offers keep-alive connections?
I only have to process one type of get-request so I believe using one of the big (java) http servers with access control and modules and all that might be too big and slow.

Google for tiny java web server - replace "tiny" by small, embeddable, ...
I'd guess there is a trade-off between HTTP standard compliance and size if you want to stay in the ten class range.
Here is a two class web server, adapted from the Java Socket Tutorial. Doesn't support keep-alive though, implement it yourself... This can even pretty easily be tuned down to one class if it is ok to support one simultaneous connection only. Doesn't quite support all HTTP features though :-)
import java.net.*;
import java.io.*;
public class NanoServer {
    public static void main(String[] args) throws IOException {
        ServerSocket serverSocket = null;
        try {
            serverSocket = new ServerSocket(6666);
        } catch (IOException e) {
            System.err.println("could not listen on port 6666: " + e);
            System.exit(-1);
        while (true) {
         Socket socket;
         try {
          socket = serverSocket.accept();
         } catch (IOException e) {
          System.err.println("accept failed");
          continue;
         new NanoServerThread(socket).start();
import java.net.*;
import java.io.*;
public class NanoServerThread extends Thread {
    private Socket socket;
    public NanoServerThread(Socket socket) {
     this.socket = socket;
    public void run() {
     PrintWriter out = null;
     BufferedReader in = null;
     try {
         in = new BufferedReader(new InputStreamReader(
                        socket.getInputStream()));
         out = new PrintWriter(socket.getOutputStream(), true);
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         // TODO parse GET + URL from first line; log accesses
         while (true) {
          String line = in.readLine();
          if (isEmpty(line))
              break;
         // TODO examine request URL here, answer according to request
         out.println("HTTP/1.0 200 OK");
         out.println("Content-Type: text/plain");
         out.println("");
         out.println("Hello sailor!");
     } catch (IOException e) {
         e.printStackTrace();
     } finally {
         close(out);
         close(in);
            // What, Socket is not Closeable?
         try { if (socket != null) socket.close(); } catch (IOException e) { }
    public static boolean isEmpty(CharSequence s)
        if (s == null)
            return true;
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        for (int n = 0; n < len; n++) {
            if (!Character.isWhitespace(s.charAt(n)))
                return false;
        return true;
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     if (x == null)
         return;
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         x.close();
     } catch (IOException e) {
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}

Serving PDF using IE

NOTE: This is not a question but rather a thread for solutions to this problem. I hope that someone who is having this same problem in the future can find this information useful. If you have a solution you would like to share then post it here.
I have been having the same problem that many have been having with generating PDF files and returning to IE client. I have read through the many suggestions on how to do this using Java here in these forums and on the web and never really found a direct solution to my problem.
The basic advice that I have seen pretty much everywhere holds true. You must set the content type and the content length without exception. Some say you need to set the content disposition but I have not seen the need for this--it may only apply in special situations I have not yet encountered.
The problem I had was trying to serve PDFs using a struts based framework. This required my URL to look something like (http://localhost/app/report/view.do?jobId=1234567890), where /report/view mapped to an action and jobId was the report job identifier. Using the classic code below in a Struts Action fails miserably to view or save the generated PDF with an error indicating IE failed to communicate with the server.
// load pdfbytes here
response.setContentType("application/pdf");
response.setContentLength(pdfbytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
ouputStream.write(pdfbytes, 0, pdfbytes.length);
ouputStream.flush();
ouputStream.close();I tried many variations with the response such as changing the buffer size, setting content disposition, changing Acrobat preferences among others and nothing worked.
During my search on the web I found an article that indicated IE violates HTTP in that it defines it's own way for determining the content of a URL rather than using the response header. I believe Microsoft's web site says this is by design and not a flaw. The article also indicated that the workaround was to use Microsoft extensions. (I cannot find the article again, if I could I would post a link to it).
With this new information in hand I decided to create a test servlet that would serve an existing PDF from the local file system. The following are snippets from web.xml and the PdfReportViewServlet:
<servlet>
   <servlet-name>pdf</servlet-name>
   <display-name>PDF Report View Servlet</display-name>
   <description>Used to serve PDF reports to client once they are completed running.</description>
   <servlet-class>report.PdfReportViewServlet</servlet-class>
</servlet>
<servlet-mapping>
   <servlet-name>pdf</servlet-name>
   <url-pattern>*.pdf</url-pattern>
</servlet-mapping>
public class PdfReportViewServlet extends HttpServlet {
   public void service(HttpServletRequest request, HttpServletResponse response)
   throws IOException, ServletException {
      // Read in PDF test file
      File l_file = new File("c:/temp/test.pdf");
      FileInputStream in = new FileInputStream(l_file);
      int length = in.available();
      byte[] pdfbytes = new byte[length];
      in.read(pdfbytes);
      in.close();
      // Send response
      response.setContentType("application/pdf");
      response.setContentLength(pdfbytes.length);
      ServletOutputStream ouputStream = response.getOutputStream();
      ouputStream.write(pdfbytes, 0, pdfbytes.length);
      ouputStream.flush();
      ouputStream.close();
}Basically anything ending in "pdf" will be handled by the servlet. After deploying this code to Tomcat and typing in a test URL like (http://localhost/APP/test.pdf) it works!
I then decided to see what would happen if I changed the PDF extension from "pdf" to something else to determine if IE was using the "pdf" extension in the URI or using the content type to determine the true content (At least to prove it in my mind). I changed the following in web.xml:
<servlet-mapping>
   <servlet-name>pdf</servlet-name>
   <url-pattern>*.rpt</url-pattern>
</servlet-mapping>     Now the servlet will handle anything ending in "rpt" but will still return PDF content. The result was a bunch of gibberish that was the PDF file converted into text and displayed in IE. IE must be using the file extension in the URI to identify the content type.
Just for fun I decided to try not setting the content length to see what would happen. I reverted the web.xml file back to map to "*.pdf" and commented out the line to set content length:
      // Send response
      response.setContentType("application/pdf");
      // response.setContentLength(pdfbytes.length);
      ServletOutputStream ouputStream = response.getOutputStream();
      ouputStream.write(pdfbytes, 0, pdfbytes.length);
      ouputStream.flush();
      ouputStream.close();The darn thing worked! So I guess IE doesn't care about content length.
Hmmmm, do I even need to set the content type? I commented out the line to set content type and.....
it worked!
So my new servlet code looks like this and works fine:
      // Send response
      ServletOutputStream ouputStream = response.getOutputStream();
      ouputStream.write(pdfbytes, 0, pdfbytes.length);
      ouputStream.flush();
      ouputStream.close();Of course in my production code I will be setting content type and length because other browsers that correctly implement HTTP will require it unlike IE, at least I think they require it until future testing proves otherwise.
In conclusion, it seems that IE uses the URI to determine the content type rather than using the response header. So if you want IE to correctly recognize the content type of any target you better use the approriate extension in the URI rather than depend on the response header content type.
BTW: I was using Tomcat 5.0.14, IE 6 SP1, Win2k Pro SP4, and Acrobat 6. I have not tested this using different configurations. When I have the time I will try and perform more extensive testing.

That's great. Now try doing a POST to your URL and see if IE still likes it. Or use HTTPS. Or both POST and HTTPS. Or use GET with a really long URL and watch IE crash (This one is probably a buffer overrun). Then try those various combinations on different versions of IE with all the various patches, etc. I've given up and I just tell people to download Firefox.

Help needed on Logging Servlet Implementation using high traffic HTTP Post

I have a servlet called LogServlet, which accepts the post HTTP request Data from another application and logs it into a file. The key thing here is the logs should get logged in a squence it is received.
Since the frequency of the data being sent is very high the LogServlet is not able to keep it up with the sequence and messing up the sequence.
Are there any suggestions on how to improve this and make sure the servlet logs it in the way it receives it?
Can I replace the Servlet with JSP to do the logging and will that solve my sequence issue?
Or there are any other techniques.
Thanking you in advance.

You could use the log4j logging tool, it uses a static Logger for the class and you can run it in synchronized mode to ensure that your log messages don't clobber each other. Hmm, you're testing my knowledge of how synchronization is implemented in Java. It uses a semaphore-style approach under the covers, but is it a fair-style (first-come, first-served) implementation?
After a quick Google search I just learned that in the normal VM fairness is not guaranteed, but if you use the Sun Real-Time VM synchronized will guarantee FIFO style access to synchronized resources. The Real-Time VM is not free, so if cost is an issue that might not be an option for you. That's going to make things more complicated for you since ordering sounds important.
You can probably write something fairly easily to do what you want. Basically write a queue processing class that uses either static methods/variables or a Singleton approach to ensure that your messages get processed in a FIFO order. Then just use your existing logging logic or use log4j to write your messages to a log file. There are several pitfalls to writing multi-threaded components like this, so be careful that you've synchronized the right methods and, depending on how you decide to implement it, use the right Queue implementation (hint: you may need to look in the java.util.concurrent package for your queue implementation, depending on the approach you take.)
One thing to note, this last approach may be overkill depending on what you mean by "very high frequency." If you're getting 10-20 requests a second, I think you still might be able to get away with log4j in synchronized mode. It also depends on how important the ordering really is. If one request arrives 500 microseconds after the other, is it okay to reverse the ordering? If so then syncrhonized log4j may still be okay. If not, then you're going to have to write something a little more sophisticated or take a closer look at the capabilities of the real-time VM.
Alternatively, someone who's more knowledgeable than me on the subject might be able to suggest a better approach using JMS.

Client Server program using Applets for client

Creating a client server program using Applets for the clients.
Having problems distrubting the message from client to client
using ObjectOutputStreams/ObjectInputSteams.
I can connect each client to simple server and respond with by writting
the i/o stream of each client but unable to communicate from client to client. If any one out there has in tips of creating a class of objectOutputStreams that holds a array of ObjectOutputStreams and then broadcasts the message to every client, it would be much appreciated
Thanks.

Cheers poop for your reply
I never explained the problem properly. What it is I am trying to set up a Client Server program using Applets as the clients GUI. The problem is broadcasting the message to multiply client connnection(s).
Below is code, each client can connect and send message to the server. The problems is broadcasting the message to every client connection. The every client can input a message but only the last connected client can receive the message?????? Thanks in advance..
/*this my server class */
import java.io.*;
import java.net.*;
public class Server extends JFrame
private static final int ServerPort=8080;
private static final int MaxClients=10;
private ObjectOutputStream output=null;
private ObjectInputStream input=null;
private BroadCastMessage broadcastMessage;
public void runServer()
BroadCastMessage broadcastMessage= new BroadCastMessage();
try
{ //connect to server
ServerSocket s = new ServerSocket(ServerPort,MaxClients);
     //listen to port 5000 for new connections
     ///max is 25
     System.out.println("Server listening on port "+ServerPort);
while (state.isProgramRunning())
     try
     /// sGUI.waitForConnection();//new line
     s.setSoTimeout(100);
     //enable times in server-socket
     while (true)
     Socket incoming = s.accept();
     //wait and accept connnections from serverSocket
     //instance of the class,pases the new connection and message
     //spawn as a thread
     SocketConnection connection=new SocketConnection(incoming,broadcastMessage);
     Thread a = new Thread(connection); a.start();
     System.out.println(state.getConnectionCount()+"Connection received from :"+incoming.getInetAddress());
     catch(InterruptedIOException x){}
while (state.getConnectionCount()>0);
System.exit(0);
}catch (IOException e){}
public static void main(String[] args)
Server s =new Server();
     s.runServer();
/*this is my socket connection thread*/
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class SocketConnection implements Runnable
private ObjectOutputStream out;
private ObjectOutputStream output=null;
private ObjectInputStream input=null;
private BroadCastMessage passOnMessage;
private Socket theConnection=null;
private String Inmessage="";
private int Ocount;
public SocketConnection(Socket caller,BroadCastMessage broadcastMessage,Ocount)
theConnection =caller;///(5000,n)
Ocount=ncount;
passOnMessage=broadcastMessage;
public void run()
try
getStreams();
processConnection();
catch(Exception e)
{String clientDetails=("connection from IP Address: "+theConnection.getInetAddress());}
private synchronized void getStreams() throws IOException
{ //get streams to send and receive data
//set up output buffer to send header information
///Ocount++;
//create new objectoutputstream
output=passOnMessage.getOutputObject(output,theConnection,Ocount);
///flush output buffer to send header info.
Ocount++;
//set up input stream for objects
input =new ObjectInputStream(
theConnection.getInputStream());
System.out.print("\nGot I/O streams\n");
private synchronized void processConnection()throws IOException
//process connection with client
String Outmessage =" count : "+status.getConnectionCount();
//send connection successful message to client
     Outmessage=Outmessage+"SERVER>>>Connection successful";
     output.writeObject(Outmessage);
output.flush();
do ///process messages sent from client
     try
     Inmessage = (String) input.readObject();
     System.out.println(Inmessage);
     /* //while the connection is open each line
     that is passed from the client to the server
     is read in and is displayed*/
     messageDetails.setMessage(Inmessage);
     String CurrentMessage=messageDetails.getMessage();
     //output.writeObject(CurrentMessage);
     // output.flush();
     passOnMessage.FloodMessage(CurrentMessage);
     //sending out the message
catch(ClassNotFoundException classNotFoundException){}
}while (!Outmessage.equals("CLIENT>>>TERMINATE"));
/*this my attempt at broadcasting the message to all clients
my thinking was that you could create a array of objectoutputstreams
which in turn could be broadcasted(bit confussed here)*/
import java.io.*;
import java.net.*;
public class BroadCastMessage /// implements Runnable
private int count;
private String Inmessage="";
private ObjectOutputStream temp=null;
private ObjectOutputStream[] output = new ObjectOutputStream [12];
//temp level of array of objects
public BroadCastMessage()
count=0;
public synchronized void FloodMessage(String message) throws IOException
System.out.print(count);
     for(int i=0;i<count+1;i++)
     try
{ System.out.print(count);
     output[count].writeObject(message);
     output[count].flush();
     catch(IOException ioException)
{ioException.printStackTrace();}
     notifyAll();
public ObjectOutputStream getOutputObject(ObjectOutputStream out,Socket caller,int Ocount)
try
{ temp = new ObjectOutputStream(caller.getOutputStream());
     AddObjectOutputStream(temp,Ocount);
////FloodMessage();
     catch(IOException ioException)
{ioException.printStackTrace();}
return temp;
public void AddObjectOutputStream(ObjectOutputStream out,int Ocount)
{ ///add new object to array
count=Ocount;
output[count]=out;
System.out.print("\nthe number of output streams : "+count+"\n");
}

Client & server can use different language when using socket for client/ser

When building client/server applications using socket , is it that client and server do not need to use both Java as long as they implement the same networking protocol?
Thanks a lot!

thank you, DrClap!

Logout implementation using Site Studio

Hi,
I just wanted to know if the logout functionality of UCM has been implemented using site studio and if yes, how to go about it. We are currently using the logout component that is present in UCM. However, the problem is, that the usage of that component requires you to add a registry entry in IE, to allow this to work. This isnt something that can be done on all machines and is hence not a feasible solution. So I was wondering if there's any other way that this can be implemented. Suggestions please?!
Thanks.

Is there a way to use Fragments or do I need to get a developer to write me non-Stellent code? Well, you need to get yourself a developer to write a fragment. And - dependet on what you want to do - maybe some Content Server customizaitons like custom services.
Imho though it is not a good idea to use Site Studio as a web application plattform. A simple form is fine but if it gets more than that, you should consider writing a jsp or hcsp and check it in to the content server. This jsp or hcsp can still use your fragments and your html layout so that it does not look different from the Site Studio pages. Then you can link this script to a section in your Site Studio web site hierachy and by doing so include this dynamic part into your web site.
Another approach for when you really need to do a lot of application stuff is to write the applications in another Java web app - not checked in to the Content Server - and use CIS to pull content from the Content Server. Or Web Services.

Flush Implementation using mbeans

Hi all,
need your help with an issue regarding mbean implementation using IBM WAS + JMX + Spring. The requirement is : we have a spring based application and in the spring applicationContext file we have certain value injections that i need to make configurable. For this i have used a facility provided by spring to expose a bean as an mbean. Now everything works perfedtly fine but only till the time my server is up and running. As soon as i restart my server the changes that i made using mbean are lost. I want to flush the changes(using JMX) made using mbean to the code so that these changes can be made into the codes permanently and not temporarily as its being done by jmx. Any help is highly appreciated. Thnx in anticipation.
Regards,
Vaibhav

Hello,
Take a look at this page.
Please note it says:
"The LabVIEW FPGA for SPARTAN 3E XUP driver was developed to enable educators
to use LabVIEW FPGA to teach digital and embedded design concepts. This
driver is for educational use and cannot be used on custom FPGA
hardware."
If this does not apply to you, then please take some time to look at the NI compactRIO FPGA product which may be better for your application:
compactRIO
If you are eligible to use the SPARTAN 3E XUP driver, then a video introduction and tutorials are available.
Hope this helps!
Message Edited by macaba on 07-24-2009 10:09 AM
Mark B
===If this fixes your problem, mark as solution!===

VXI 11.3 server implementation using NI-VISA APIs

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