CSA - Sort Client/Server Licensces by group??

As Cisco CSA license charges are signficantly different from between server and client agents, we need a method, report, SQL query to be able to determine the number servers and number clients used in a given group. This is to allow internal "charge backs" to occur, and given the difference between server and client licenscing costs - the total of servers and clients is available via the "Maintenance -> License Info" tab, but there is no way to see lists of clients or servers, or do seachs/breakdowns of this info by group, or even a report that allows one to import this data into excel - Even a "SQL query" against the appropiate SQL database fields would be workable - We just need access to this licenscing info in some fashion - Any thoughts out there?

Answered this in "General" group.
Tom S

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For the new application that we have to design we have two groups of users
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Client/server program validation - is it possible?

I've been mulling over this problem for a few days, and am starting to wonder if it's theoretically possible to find a solution. I'm not looking for specific code, this probably won't even be implemented in Java, I'm just wondering if there is a theoretical program model that would work in this situation.
The short version:
Validate the data generated by a client program, without knowing the original data.
The long version:
This is a "profiling" system for a MMOG (Massively Multiplayer Online Game). The MMOG is an internet based client/server graphical program where each client connects to the server and they interact with each other and the virtual world. They pay a monthly fee for access to the game. My program is not affiliated with the MMOG or its makers. I have no connections inside the company and cannot expect any cooperation from them.
The "profiling" system is also a client/server model. The client program runs in the background while the MMOG client is active. It accesses the memory of the MMOG client to retrieve information about the player's character. Then, possibly on request or maybe immediately, it sends the character data to our server.
What I want to validate is that the character data being sent is unmodified and actually comes from the MMOG program.
I can reasonably expect that with mild encryption and some sort of checksum or digest, the vast majority of problems can be avoided. However, I am not sure it's possible to completely secure the system.
I assume that the user has access to and knowledge of the profiler client and the MMOG client, their assembly code, and the ability to modify them or create new programs, leveraging that knowledge. I also assume that the user does not have access to or knowledge of either of the server applications - the MMOG server or mine.
In a worst-case scenario, there are several ways they could circumvent any security I have yet been able to think of. For instance, they could set up a fake MMOG client that had the data they wanted in memory, and let the profiler access that instead of the real thing. Or, they could rewrite the profiler to use the data they wanted and still encrypt it using whatever format I had specified.
I have been considering using some kind of buffer overflow vulnerability or remote execution technique that would allow me to run specific parts of the client program on command, or get information by request, something that could not be anticipated prior to execution and thus could not be faked. But this seems not only insecure for the client but also not quite solid enough, depending on how it was implemented.
Perhaps a series of apparently random validation codes, where the client does not know which one actually is doing the validation, so it must honor them all. Again, this is very conceptual and I'm sure that I'm not explaining them very well. I'm open to ideas.
If I don't come up with anything better, I would consider relying on human error and the fact that the user will not know, at first, the relevance of some of the data being passed between client and server. In this case, I would include some kind of "security handshake" that looks like garbage to the client but actually is validated on the server end. A modified program or data file would result in an invalid handshake, alerting the server (and me) that this client was a potential problem. The client would have no idea anything had gone wrong, because they would not know what data the server was expecting to receive.
I hope I have not confused anyone too much. I know I've confused myself....

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My program accesses the MMOG client's memory while the game is running, and takes the character information from there. It does not have direct access to the MMOG server, and does not attempt to modify the data or the memory. Instead, it just encrypts it and sends it to our server, where the information is loaded into a database.
The security issue comes into play because our database is used for ranking purposes, and if someone were to hack my program, they could send invalid data to our servers and affect the rankings unfairly.
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How to delete the workbench client server name in FDM

Hi Gurus
How to delete/change the workbench client server name in FDQM?
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OK, I understand now. You are referring to the Load Balance Server Group. Yes, this can be done:
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Client-Server - SOA.... Is it really a transition or a big development ?

Hi,
In all sources related to SOA/ESA by SAP, it is said that, transitioning from Client-Server Arch(CSA) to SOA is the same as transitioning from Mainframe systems to Client-Server Arch.
If we think about Mainframe and CSA, it is obvious that there had been big differences in that transition. Such as, the INTELLIGENT CLIENT concept had appeared to replace the DUMMY CLIENTS, so this had changed the way of IT Business. There would be a main application providing several functionalities(server) and other applications which want to use those functionalities (clients) would connect to the server using some functionalities on its own (that means a client appliction should also have some functionalities in order to at least connect to the server, so that made them different from the DUMMY clients of the mainframe era)
Now, when I look at the differences between SOA and CSA, I cannot see that incompareble differences.Why ? Let me explain :
- One of the most important differences between SOA and CSA is, SOA is vendor and platform independent, so that any application can call any applications functionality as long as they are using Web Services. That is true. But the question arises here : It is still the case that someone is calling some others' functionalities (services), so there is still a client/server mentality, isn't there and We will still be using several client/server programming languages in order to realize the main functionality of the web services but this will be transparent to the user and the integration. The main difference is, SOA is vendor and platform independent. But I don't think this can be commented as a missing feature of CSA. Because the aim of CSA was to make the clients more intelligent and not to make them vendor/platform independent. And also architectures like CORBA and DCOM have also tried to achieve that independency (even though they have restrictions compared to Web Services, one of the main reasons for this is using Web as a transport/communication protocol) but they are still treated as some extensions on top of CSA because they are using CSA beneath. But if we compare Mainframes and CSA, even though I haven't seen manframe ages, I think it is clear that CSA does not use any architectural functionality of Mainframes. They are completely different.. But is SOA and CSA completely different ?
I agree with all reasons why today business needs sth more agile, more flexible and it is becoming clearer day by day that SOA and Web Services provides this environment, BUT, I still cannot make it clear, WHY it is accepted as a transition from CSA and why it is not treated as a big development over CSA while using the main features of it.
Any comments will be appreciated.
Regards
Ahmet Engin Tekin

Good point..Actually those are the things clearly known but it becomes a bit confusing to build clear sentences when it comes to declare the differences. Anyway, here are my additions :
- Mainframes were centralized systems which had their own hardware architecture as well. All processes/applications were running on 1 central DB/system and everyone in the company had to use the same functionality and interface.
- In time, as a result of business demand, people needed different functionalities/applications regarding different business needs. This could either be done by extending the higly-costed big mainframe systems/softwares OR a new approach had to be developed in order to solve those problems. At this point, (thanks to IBM,Macintosh and Xerox) PC and ethernet concepts had emerged. That was a completely different hardware architecture which allowed less costly systems and also distributing the process load and/or applications to different systems in one landscape (app servers, intelligent clients - 2 tier, 3- tier arch.). Thus, while those were happening on harware side, new communication and programming models/languages emerged on software side. As a result, people started using different applications on different systems according to their needs and thus an efficient solution had been provided to the business need (described above).
To criticise, this was really a big transition. Not only software concepts but also hardware concepts are also changed drastically. Actually, it is not wrong if we say, developments on the hardware side, allowed changes on the software side
- What happened next ? Companies started using so many different applications by different vendors with different business logic and programming models (thanks to CSA). But in times, this has emerged the biggest problem of the CSA era : Integration.
We all know the rest. "Web Services" concept emerged with SOA as well. So that, the boundaries between the systems began to disappear.
So, is this a transition ? Well, yes it is.. The point that made it confusing (at least for me) is that this time there is no hardware transition (yet) but only a transition in software side. But I still insist that the IT transition during Mainframe->CSA was like a revolution (forget what you've left behind) but from CSA to SOA; it is more likely to be an evolution (the next best thing)
Anyone have more comments ?
Regards,
Ahmet

Best practice for client-server(Socket) application

I want to build a client-server application
1) On startup.. client creates connection to Server and keeps reading data from server
2) Server keeps on sending different messages
3) Based on messages(Async) from server client view has to be changed
I tried different cases ended up facing IllegalStateChangeException while updating GUI
So what is the best way to do this?
Please give a working example .
Thanks,
Vijay
Edited by: 844427 on Jan 12, 2012 12:15 AM
Edited by: 844427 on Jan 12, 2012 12:16 AM

Hi EJP,
Thanks for the suggestion ,
Here is sample code :
public class Lobby implements LobbyModelsChangeListener{
    Stage stage;
    ListView<String> listView;
    ObservableList ol;
     public Lobby(Stage primaryStage) {
        stage = primaryStage;
           ProxyServer.startReadFromServer();//Connects to Socket Server
         ProxyServer.addLobbyModelChangeListener(this);//So that any data from server is fetched to Lobby
        init();
    private void init() {
          ProxyServer.getLobbyList();//Send
        ol = FXCollections.observableArrayList(
          "Loading Data..."
        ol.addListener(new ListChangeListener(){
            @Override
            public void onChanged(Change change) {
                listView.setItems(ol);
     Group root = new Group();
    stage.setScene(new Scene(root));
     listView = new ListView<String>();
    listView.maxWidth(stage.getWidth());
     listView.setItems(ol);
     listView.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
    istView.setOnMouseClicked(new EventHandler<MouseEvent>(){
            @Override
            public void handle(MouseEvent t) {
//                ListView lv = (ListView) t.getSource();
                new NewPage(stage);
     root.getChildren().add(listView);
     @Override
    public void updateLobby(LobbyListModel[] changes) {
//        listView.getItems().clear();
        String[] ar = new String[changes.length];
        for(int i=0;i<changes.length;i++)
            if(changes!=null)
System.out.println(changes[i].getName());
ar[i] = changes[i].getName();
ol.addAll(ar);
ProxyServer.javaProxyServer
//Implements runnable
public void run()
     ......//code to read data from server
//make array of LobbyListModel[] ltm based on data from server
     fireLobbyModelChangeEvent(ltm);
void addLobbyModelChangeListener(LobbyModelsChangeListener aThis) {
this.lobbyModelsChangeListener = aThis;
     private void fireLobbyModelChangeEvent(LobbyListModel[] changes) {
LobbyModelsChangeListener listner
= (LobbyModelsChangeListener) lobbyModelsChangeListener;
listner.updateLobby(changes);
Exception :
java.lang.IllegalStateException: Not on FX application thread; currentThread = Thread-5
         at line         ol.addAll(ar);
But ListView is getting updated with new data...so not sure if its right way to proceed...
Thanks,
Vijay

Client/server

Hi, i am doing a client/server arc .I have a server , that will connected to the oracle , using jdbc.The client here is an application, how do i change it to applet?
The server code
import java.sql.*;
import java.util.Properties;
import java.io.*;
import java.net.*;
public class CommentsServer extends Thread {
public static final int DEFAULT_PORT = 7777;
protected int port;
protected ServerSocket server;
String username ="combtest";
String password = "combtest";
public static void main (String args[]) {
int port=0;
if (args.length == 1) {
try {
port = Integer.parseInt (args[0]);
} catch (NumberFormatException e) { }
try {
     Class.forName("oracle.jdbc.driver.OracleDriver");
String sourceURL ="jdbc:oracle:thin:@klm:1521:KLMPMIS";
String user="combtest";
String password="combtest";
catch (Exception e) {
System.err.println("Failed to load JDBC driver.");
System.exit (1);
new CommentsServer (port);
public CommentsServer (int port) {
super ("Comments Server");
if (port == 0)
port = DEFAULT_PORT;
this.port = port;
try {
server = new ServerSocket (port);
} catch (IOException e) {
System.err.println ("Error creating server");
System.exit (1);
start();
public void run() {
System.out.println ("Server Running");
ThreadGroup connections = new ThreadGroup ("Comment Connections");
connections.setMaxPriority(this.getPriority()-1);
try {
while (true) {
Socket client = server.accept();
System.out.println ("Connection from: " + client.getInetAddress().getHostName());
CommentsConnection c = new CommentsConnection (connections, client);
} catch (IOException e) {
System.err.println ("Exception listening");
System.exit (1);
System.exit (0);
class CommentsConnection extends Thread {
static int counter = 0;
protected ObjectInputStream in;
protected PrintWriter out;
public CommentsConnection (ThreadGroup group, Socket client) {
super (group, "Connection " + counter++);
try {
in = new ObjectInputStream (client.getInputStream ());
out = new PrintWriter (client.getOutputStream(), true);
} catch (IOException e) {
try {
client.close();
} catch (IOException e2) { }
System.err.println ("Unable to connect.");
return;
start();
public void run () {
try {
String mode = (String)in.readObject();
if (mode.equals("insert")) {
     String name=(String)in.readObject();
try {
     String u="jdbc:oracle:thin:@klm:1521:KLMPMIS";
     Connection con=DriverManager.getConnection(u,"combtest","combtest");
     PreparedStatement prep=con.prepareStatement("Insert into TEST values(?)");
     prep.setString(1,name);
     if(prep.executeUpdate()!=1)
     throw new Exception("Bad update");
} catch (Exception e) {
out.println ("Error updating: " + e);
return;
} else if (mode.equals("query")) {
try {
     Connection con=DriverManager.getConnection("jdbc:oracle:thin:@klmsph1:1521:KLMPMIS","combtest","combtest");
Statement statement=con.createStatement();
ResultSet result=statement.executeQuery("SELECT * FROM TEST");
out.println("Name");
int nameCol=result.findColumn("NAME");
String name,user,comments;
while(result.next())
     name=result.getString(nameCol);
     out.println(name);
statement.close();
con.close();
} catch (Exception e) {
out.println ("Error querying: " + e);
return;
} else {
out.println ("Invalid Command: " + mode);
} catch (Exception e) {
out.println ("Error reading Stream: " + e);
out.close();
the client code
import java.net.*;
import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class CommentsClient extends JApplet{
TextArea ta;
TextField name;
public static final int DEFAULT_PORT = 7777;
private static final String QueryString = "query";
private static final String InsertString = "insert";
private int port = 0;
private String host = null;
private OutputStream os = null;
public CommentsClient (String host, int port, OutputStream os) {
this.host = host;
this.port = ((port == 0) ? DEFAULT_PORT : port);
this.os = os;
query();
public CommentsClient (String host, int port, OutputStream os,
String name) {
this.host = host;
this.port = ((port == 0) ? DEFAULT_PORT : port);
this.os = os;
insert(name);
private void query () {
PrintWriter out = new PrintWriter (os, true);
try {
Socket s = new Socket (host, port);
ObjectOutputStream oos = new ObjectOutputStream (s.getOutputStream());
// PrintWriter out=new PrintWriter(s.getOutputStream(),true);
oos.writeObject (QueryString);
oos.flush();
BufferedReader in = new BufferedReader (new InputStreamReader (s.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
out.println (line);
out.close();
s.close();
} catch (IOException e) {
out.println ("Error querying." + e);
return;
private void insert (String name) {
PrintWriter out = new PrintWriter (os, true);
try {
Socket s = new Socket (host, port);
ObjectOutputStream oos = new ObjectOutputStream (s.getOutputStream());
oos.writeObject (InsertString);
oos.writeObject (name);
oos.flush();
BufferedReader in = new BufferedReader (new InputStreamReader (s.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
out.println (line);
oos.close();
s.close();
} catch (IOException e) {
out.println ("Error inserting." + e);
return;
public static void main (String args[]) {
if (args.length == 0) {
CommentsClient cc = new CommentsClient ("localhost", 0, System.out);
} else if (args.length == 1) {
CommentsClient cc = new CommentsClient ("localhost", 0, System.out, args[0]);
the applet (acts as an interface)
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.io.*;
//<applet code = "CommentsApplet" width = 800 height = 600>
//</applet>
public class CommentsApplet extends Applet {
TextArea ta;
TextField name;
TextField user;
TextField comments;
public void init () {
Panel p1 = new Panel(new BorderLayout(10, 10));
Button b1 = new Button ("Query");
p1.add (b1, BorderLayout.SOUTH);
ta = new TextArea ();
ta.setEditable(false);
p1.add (ta, BorderLayout.CENTER);
b1.addActionListener (new ActionListener() {
public void actionPerformed (ActionEvent e) {
ByteArrayOutputStream bao = new ByteArrayOutputStream();
CommentsClient cc = new CommentsClient ("localhost", 0, bao);
ta.setText (bao.toString());
add (p1);
Panel p2 = new Panel (new BorderLayout (10, 10));
Button b2 = new Button ("Insert");
p2.add (b2, BorderLayout.SOUTH);
Panel p3 = new Panel();
name = new TextField ("", 10);
p3.add (name);
p2.add (p3, BorderLayout.CENTER);
b2.addActionListener (new ActionListener() {
public void actionPerformed (ActionEvent e) {
ByteArrayOutputStream bao = new ByteArrayOutputStream();
CommentsClient cc = new CommentsClient ("localhost", 0, bao, name.getText());
ta.setText (bao.toString());
add (p2);
the html file
<html>
<body>
<hr>
<applet
code=CommentsApplet.class
width = 400
height = 400
>
</applet>
<hr>
</body>
</html>
Thanks in advance,
Jessy

hi
I have no idea what you are doing. Strange programming
public class CommentsClient extends JApplet why does it extends JApplet when it isn't a JApplet but an application
and why is there a second applet
public class CommentsApplet extends Applet (should this be extends JPanel??)
but for normal classes this is the procedure
rename the constructor in "public void init()" the method init is automaticly called by the browser.
remove the main method if there is some code in the main method that needed move it to the init method. ( in your case the arguments can't be read from the command line but must be read out of the *.html file )

Servlet in client/server application?

hi,
I am planing to make a client server application( SWING & an OODB), would it be clever to use servlet ( not httpservlet) as midle tier framework?
If yes , what are the benefits?
Thanks.

thanks for responding
actually my client don't wanna run a separate server application on the hosting machine as it costs too much, so thats why i think there is no other way to achieve the task rather than using servlets.
please do help me or atleast give me a suggestion. actually i'm developing an internet messenger application. i have developed it using client/server application model in which both (the swing client and the server) uses java sockets to communicate with each other. but now i want to develop the server side of the messenger as servlets. but as far as i know the servlets follow the request/response model. if i follow that model i have to use some sort of client pull after certain amount of time say after five or ten seconds, and this approach does not fulfill my requirements as it would slow the performance if there are hundreds of clients calling the servlet every 5 seconds. thus i want to create persisted connections between the client and the servlet which last for the life time of the user's session. also it is important for the data integrity of the application, so please help me in this matter as i have no other source of guidence in this meany world. i hope you will certainely help me in this matter. please mention that if there are any drawbacks of my approach i mean the persisted connections.
thanks you a lot
Best reagrds
Imran Sarwar.

Should i use secure sockets for my whole client/server application?

Hi,
I have a client server application, and I want to ensure that the login process is secure (i.e. use secure sockets). but I dont know how to switch back to a normal socket once that is done.
So I am left thinking that i should just use SSL for my whole application, which can last pretty long. But I would rather not. Is there any other way of doing this?
or should I just encrypt the login info using MD5 or something like that, then send it over an unsecure socket?
thanks!

Hey,
Are you sure you haven't confused JGSS for JSSE?
Imagine you have a client-server system and you sometimes want data sent over the wire to be encrypted... JGSS offers you this flexibility; if you a encrypted transmission, run ift through JGSS before transmitting it; if you don't want an encrypted transmission, bypass JGSS and just send the transmission.
The benefit is the security (encryption) isn't hard-wired into you communications protocol i.e. TLS. JGSS has nothing to do with connections it is just protocol for securing messages, not sending them.
You would need to establish the secure context but this could be done at startup and persist for the duration of you applicaiton invocation. You perhaps might need to implement a mechanism to identify encrypted messages on the receiving peer (so it knows to attempt decryption).
Admittedly, kerberos seems like one of those 'inside-joke' things. I've come to realise if you don't have some sort of kerberos realm/server against which to authenticate - you need to swap it out as the underlying mechanism. How this is done I'm not sure yet, but I intend to find out today....further down the rabbit hole I go!
If I discover anything helpful, I will let you know.
Warm regards,
D

OLE Alternatives in Forms 6i Client Server

I'm fishing for some advice and maybe some examples of how to get around an OLE issue that's adversely affecting an upgrade project.
We're currently migrating a Forms 4.5 application to 6i. This application displays MS Word documents (OLE Container) that are stored in the database and uses OLE to open manipulate, and save the documents back to the database. We've come across some serious problems with OLE and 6i that don't look like they'll be fixed any time soon (bug #2615804 in particular).
Since OLE (ActiveX) is not supported a web delivered configuration, we're looking at an alternative to interacting and storing Word documents using a client/server configuration. This will have the added bonus of making the move to web delivery once we decide to go down that path.
Has anyone out there had any good experience with overcoming this OLE problem? It seems like every pre-Forms 9i book out there has touted OLE as a way of interacting with Office tools and now OLE has become a roadblock.
I've had a look at the JACOB example, but that doesn't really help if you're not deploying via the web.

With the beans you've looking at visual stuff : like the look and feel project
With the importer it's more like leveraging java functionality : in my case I've just implemented a call to a webservice on an application server. There is nothing visual here and it's just called via a straight bit of PL/SQL that call my java classes ( however, in that case I could also use UTL_HTTP directly to make the call and thus not bother with java importer - but the database wouldn't allow UTL_HTTP calls :( )
For both of these you'd need to tell forms where to find the JAR file in it's java environment - but you won't have that in c/s
Another way is to load up java code into the database and process it within the database and hide it completely from Forms. I've done this sort of thing loading Apache-FOP into Oracle and creating PDF files in the database (as BLOBS) from XML/XSL also in the database as XMLTYPES.
At least that's my view on how it fits together ... maybe others know more :)
Steve

WARNING - Oracle intends to desupport Forms client server mode

When Forms 6i becomes desupported you will have to move to Forms 9i. Forms 9i runtime can only be run in web mode from a web browser. You will not be able to run client-server forms in native operating systems such as Windows or Unix. The forms will essentially run on the application server with Java applets to being sent to your web browser. Links to third party products will no longer work with host commands executing on your local machine. You will have to include Java code to make local commands work.
The transition from Forms 6i client-server to Forms 9i web mode will be one of the most painful upgrades Oracle has ever inflicted on its customers.
Essentially, Oracle is trying to palm us off with running forms from web browsers whether we or our customers like it or not. Java seems to be creeping in. I suspect Developer will eventually turn into JDeveloper, as they will not want to support two products. Easy one line statements and built-ins will be replaced by hundreds of lines of Java nonsense. Developer will move from a 4GL RAD environment to a cumbersome bloated 3GL Java environment.
You can stop this happening if you want to keep you customers happy by:
1. Sending Oracle enhancement requests to allow Forms 9i to run in native client-server mode.
2. Complaining to your Oracle sales contact.
3. Asking difficult questions at Oracle user groups.

Duncan et al.,
I've been wondering why exactly a Forms9i app. needs to run in a web page? Why could the applet not be deployed in a more "standalone" fashion, i.e., an independent application window. This would at least offer the appearance of a native application, complete with the new Java look-and-feel.
If Oracle really wanted make their customers happy, they would then take the next step and come up with a way to embed OC4J into a client-side deployment executable, which would then effectively allow for a 2-tier client-server architecture.
It seems to me that 2-tier/3-tier each have their place in the world, depending on the situation. In the extreme "2-tier" example would be an application that is to be deployed on a single client workstation. It would be hard to argue that a separate application server ought to be used. On the other extreme, anybody who has tried to manage the deployment--and upgrade--of a large number of Forms clients is very attracted to the prospect of only having to maintain and upgrade a few application servers.
I agree with the direction of the product as far as replacing Toolkit2 and the native runtime with the JRE. The advantage of on-demand updating of application code is compelling. The capability of moving application logic to the middle tier is extremely useful. Platform independence is now done using the "universal" JRE instead of TK2.
If the product could maintain the client-side processing capability--without resorting to Javabeans--it would be just that much stronger. As an application architect, I want to be able to design the application to allocate the work where it makes the most sense, either on the client, the application server, or the database server.
How hard would it be to put this client-side processing capability back into the product?
Regards,
Bruce MacDonald

HST6i, Client/Server env. Forms runtime crash!

We successfuly instaled HSD6i on Forms Server. But we also need to run forms on client/server environment.
When I start HSU or generated app. in Forms Runtime (ver 6.0.8.11.3) and do nothing other than navigate from menu to form 'Users' for example, form opens but the very
next time whole runtime environment dissaper (crash with no error message).
How can I manage this problem?
null

I changed all 'automatic' to <unspecified> but my forms are still crashing with access violation at uiw60.dll. It seems that only forms with item groups though. I also found another posting here by Ivica Coric about "Problem with Item Groups" where people mentioned forms with item groups would crash. It seems that this is my problem. But changing 'automatic' to something else still doesn't solve my problem. Any ideas? Thanks.
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Headstart Team:
Uros,
I have discovered what makes this happen. As you have read in the the install guide, you need to change a number of properties in the object library. Specifically, the color "Automatic", which is very useful in webforms, is problematic on client/server.
Because most items in the generated forms subclass from the object library, you would ideally only need to recreate the fmx files and be rid of the "Automatics".
Unfortunately, there's one place where the generator uses the object library properties, but DOES NOT SUBCLASS BUT COPIES these properties into the generated forms. This happens with boilerplate graphics that result from item group decorations, and then only when the item group decoration has a prompt! Here the color of the CG$TITLE visual attribute is used, but not subclassed. This also explains why you solved it by regenerating the problematic forms.
To solve this for the applications you cannot regenerate, open the fmbs, navigate to the Canvas, and then to the Graphics. You'll find the culprit there soon enough.
Kind regards,
Peter<HR></BLOCKQUOTE>
null

Client server vs direct linked

Hi, when reading TimesTen documentation it shows that client / server connections are much slower than direct linked, but direct linked require that the application be running on the same machine as the timesten datastore.
For a clustered environment what sort of configuration is recommended so that all nodes have access to the same data?
Thanks

It is of course true that client/server connections are significantly slower than direct mode connections but typically they are still quite a bit faster than a regular RDBMS.
Before deciding on an architecture i would recommend evaluating the performance of client/server connections to see if they meet your requirements.
There are two main architectures that are possible here (I'm assuming that you want a highly-available configuration):
1. A central TimesTen active/standby pair on two machines. The applications run on the rest of the machines in the cluster and access the datastores in client/server mode. If there are some components that need better performance than C/S can provide they can run on the active/standby nodes using direct mode. This setup is easy to configure and easy to manage.
2. Partition the data across multiple datastores distributed across all the cluster nodes. If there are 4 nodes, each will have 4 datastores; one will be the local 'master' for 25% of the total data and the others are read-only copies of the other 75% of the data. TimesTen replication is used to keep all the copies synchronised. Applications can use direct connect mode to access all of the data but applications at a node can only directly update the 25% of data mastered at the local node. Updates for other data must be directed (by the application) to the relevant 'master' node. Essentially, the workload must be partitioned to match the data partitioning. This setup is more complex to configure and more complex to manage but potentially could give better overall performance.
This requirement is not that uncommon and we are considering adding some kind of automatic partitioning/distribution functionality to TimesTen in a future release.
Chris

Headstart 6i - no client/server support?

Hello,
I have received today list of some new features of Headstart 6i (Beta supposed to be available this week).
In the new features list, here what it is wrote:
<<Because of known issues associated with running Forms 6i in a client-server environment, Headstart 6i will not be certified for client-server deployment. Applications can still be deployed client-server, but Headstart will not attempt to identify and overcome client-server specific issues.>>
Is someone have heard about these "known issues" in client/server?
Thank you
Jean
null

The problems are GUI issues.
The basic problem is this:
Headstart can either be optimized to display in Webforms with the Oracle Look and Feel, or it can be optimized to display in client-server mode. You can't do both at the same time. Since we had to pick one or the other, we chose the Webforms OLAF GUI settings.
You can customize the template package to revert to the client-server GUI settings if you like. This basically involves changes to the visual attributes in the object library, removing the use of the keyword 'automatic' and setting actual colors for foreground color, background color and fill pattern.
There are also problems with displaying the menu and Smartbar. You should remove the icons that are displayed in the menu. If an entire menu group is disabled, the associated icons on the Smartbar disappear instead of greying out (no workaround).
There might also be other GUI issues. As stated, we have not tried to identify or resolve these issues.
Regards,
Lauri

Client/server application using sockets

Hi there,
I'm trying to create a client/server application using sockets where the client has a GUI of a membership application form for some sort of club. Basically, the user will enter their name, address, membership no. etc in to various Jtext fields and then press a JButton to submit these details to the server. The server will then hopefully just dump these details to a text file.
Can anyone give me any examples, ideas on how to start, links etc.
Thanks v. much in anticipation,
Nick

Take a browse of the tutorial on sockets: http://java.sun.com/docs/books/tutorial/networking/sockets/clientServer.html

CSA - Sort Client/Server Licensces by group??

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