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We've got the same problem, did you manage to find a solution?

 

Hello Karen.

I read your answer to Mr Cipriani, my job-colleague,

and I tryed to test UnicuteChat in an isolated environment described as follow:

*****************************************************

**** UnicuteChat Server Side installation and configuration ****

*****************************************************

- Server name “unicutechatsrv”

- Windows 2003 Server, Enterprise Edition, Service Pack 2, English Language

- IIS, version 6.0

- Asp.net, version 2.0.50727

- UniCuteChat-WebApplication, version 4.1, installed as follow:

 on a virtual dir named "UniCuteChat",

 with dedicated application pool named "UniCuteChatPool" wich has assigned only UniCuteChat-WebApplication,

 in a web site named "UniCuteChatWebSite" containing only "UniCuteChat" virtual dir.

                 

- UniCuteChat-WebApplication, version 4.1, configured as follow (“web.config” file content):

<?xml version="1.0"?>

<configuration>

<appSettings>

                               <add key="ConnectionString" value="server=devserver;database=CuteChat4;uid=sa;pwd=cipr1an1" />

<add key="OnlineTimeout" value="300" />

<add key="CuteChat.NLB" value="mode=server;password=test123;" />

 </appSettings>

                <system.web>

                               <compilation defaultLanguage="c#" debug="true"/>

                               <customErrors mode="Off"/>

                               <authentication mode="Forms">

                                               <forms name=".UserManagementASPXAUTH" loginUrl="~/Login.aspx"/>

                               </authentication>

                               <authorization>

                                               <allow users="*"/>

                               </authorization>

                               <trace enabled="true"></trace>

                               <sessionState mode="InProc" timeout="20"/>

                               <globalization requestEncoding="utf-8" responseEncoding="utf-8"/>

                </system.web>

</configuration>

             

*****************************************************

**** UnicuteChat Client Side installation and configuration ****

*****************************************************

- Windows XP Professional, version 2002, Service Pack 2, Italian Language

- IIS, version 5.1

- Asp.net, version 2.0.50727

- UniCuteChat-WebApplication, version 4.1, installed as follow:

 on a virtual dir named "UniCuteChat" with a protection level “media pool”,

 in a web site containing other virtual dirs.

                 

- UniCuteChat-WebApplication, version 4.1, configured as follow (web.config file content):

<?xml version="1.0"?>

<configuration>

                <appSettings>

                               <add key="CuteChat.NLB" value="mode=client;password=test123;url=http://unicutechatsrv/unicutechat/CuteSoft_Client/CuteChat/NLBService.ashx" />

                </appSettings>

                <system.web>

                               <compilation defaultLanguage="c#" debug="true"/>

                               <customErrors mode="Off"/>

                               <authentication mode="Forms">

                                               <forms name=".UserManagementASPXAUTH" loginUrl="~/Login.aspx"/>

                               </authentication>

                               <authorization>

                                               <allow users="*"/>

                               </authorization>

                               <trace enabled="true"></trace>

                               <sessionState mode="InProc" timeout="20"/>

                               <globalization requestEncoding="utf-8" responseEncoding="utf-8"/>

                </system.web>

</configuration>

************************************

**** UnicuteChat Load-Balancing Test ****

************************************

In Internet Explore 7.0 of client machine we digit HTTP-URL:

http://localhost/unicutechat/Chat.aspx

obtaining error:

general error message:

                “Unable to get portal instance because current application is not cutechat server.”

 

detailed exception-error message:

                “System.Exception: Unable to get portal instance because current application is not cutechat server.”

 

source-code error message in file:

Source File: “c:"Inetpub"wwwroot"UniCuteChat"chat.aspx”   

Row Number: “55”

Row Code: “foreach(LobbyInfo lobby in ChatApi.GetLobbyInfoArray())”

*****************

**** Questions ****

*****************

What do you think about the installation and configuration? Something has wrong?
About load-balancing documentation, for server side installation, what does it mean “Deploy cute chat/messenger to the server which is running in single-process mode”? 
 
Regards,
Angelo
 

I'm get same your problem!
so any solution from Cutesoft?
my system : 3 web server (IIS) loadbalancing + 1 MSSQL DB server.
I'm deploy using this manual : http://cutesoft.net/ASP.NET+Chat/Developer-Guide/scr/Load-Balancing.htm
when i'm run NLBservice from any server i'm get error :

Missing Header CuteChat.NLB=1
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Exception: Missing Header CuteChat.NLB=1

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. 

Stack Trace:


[Exception: Missing Header CuteChat.NLB=1]
   CuteChat.ChatNLBServiceHandler.ProcessRequest(HttpContext context) +1025
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +358
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

 

so, how about Grouplist.aspx ?

I see it used :

string GetForumChatterNames(object forumid)
    {
        string key="Forum:"+forumid;
   
        foreach(LobbyInfo info in ChatApi.GetLobbyInfoArray())
        {
            if(info.Lobby.Integration==key)
                return info.JoinClient(",");
        }
        return "";
    }
    int GetForumChatterCount(object forumid)
    {
        string key="Forum:"+forumid;
        foreach(LobbyInfo info in ChatApi.GetLobbyInfoArray())
        {
            if(info.Lobby.Integration==key)
                return info.ClientCount;
        }
        return 0;
    }