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LJDP

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    Continuous random problem when close session and reopen it.

    in General

    Posted

    Sometimes yes and sometimes not. But the error always occurs at startup.

    It has happened: localhost be working normally. On a client has error on startup and this client can not work until you restart the isapi. I'm still working normally on localhost and only I have problems if I close the application and try open it again.

    It's very strange... It takes 4 days trying to fix it but ...

    Continuous random problem when close session and reopen it.

    in General

    Posted

    It is possible that if the user re-enters the page before of time out produce the error I'm trying to solve?

    I do not mean to use the Back button, but by directly entering the url or clicking on a link from another page.

    This is the log:

    [Wed Jan 25 10:05:34 2012] [error] [client 192.168.4.4] Premature end of script headers: Programa.dll
[Wed Jan 25 10:05:34 2012] [warn] [client 192.168.4.4] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/Programa.dll
[Wed Jan 25 10:06:03 2012] [error] [client 80.24.113.46] Premature end of script headers: Programa.dll
[Wed Jan 25 10:06:03 2012] [warn] [client 80.24.113.46] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/Programa.dll
[Wed Jan 25 10:07:13 2012] [error] [client 127.0.0.1] Premature end of script headers: programa.dll, referer: http://localhost/cgi-bin/programa.dll
[Wed Jan 25 10:07:13 2012] [warn] [client 127.0.0.1] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/programa.dll, referer: http://localhost/cgi-bin/programa.dll

    Continuous random problem when close session and reopen it.

    in General

    Posted

    My scenario is:

    1. User close sesión and redirect to an other url.

    With this method close sessión an redirect or session stop when timeout?

    procedure TMainForm.UniButton2Click(Sender: TObject);
begin
 UniSession.AddJS('location.href="http://www.google.com"');
end;

    2. User want return to de unigui page. It´s needed manual start new session or it´s automatic?

    In case of manual start: where and how I can start a new sessión.

    In this second point I get the random error of first post. Not always, only sometimes.

    Continuous random problem when close session and reopen it.

    in General

    Posted

    Continuous random problem when close session and reopen it.

    Try close sesión with:

    UniSession.AddJS('location.href=''http://google.com''');

    because need redirect navigation to an other page

    and with

    UniApplication.Terminate('Closed application');

    I try windo3s2088 server with IIS7 and Apache 2.2.

    An random problem persist with this log:

    From Unigui:

    ProgramWeb: 000003B0: 14:33:48HttpExtensionProc:EAccessViolation : Access violation at address 01B6E044 in module 'ProgramWeb.dll'. Read of address 0000005C

    From Apache 2.2 server

    [Mon Jan 23 14:26:31 2012] [notice] Parent: Received restart signal -- Restarting the server.
[Mon Jan 23 14:26:31 2012] [notice] Child 2852: Exit event signaled. Child process is ending.
httpd.exe: Could not reliably determine the server's fully qualified domain name, using 192.168.3.2 for ServerName
[Mon Jan 23 14:26:31 2012] [notice] Apache/2.2.21 (Win32) configured -- resuming normal operations
[Mon Jan 23 14:26:31 2012] [notice] Server built: Sep  9 2011 10:26:10
[Mon Jan 23 14:26:31 2012] [notice] Parent: Created child process 228
httpd.exe: Could not reliably determine the server's fully qualified domain name, using 192.168.3.2 for ServerName
httpd.exe: Could not reliably determine the server's fully qualified domain name, using 192.168.3.2 for ServerName
[Mon Jan 23 14:26:32 2012] [notice] Child 228: Child process is running
[Mon Jan 23 14:26:32 2012] [notice] Child 228: Acquired the start mutex.
[Mon Jan 23 14:26:32 2012] [notice] Child 228: Starting 64 worker threads.
[Mon Jan 23 14:26:32 2012] [notice] Child 2852: Released the start mutex
[Mon Jan 23 14:26:33 2012] [notice] Child 2852: All worker threads have exited.
[Mon Jan 23 14:26:33 2012] [notice] Child 2852: Child process is exiting
[Mon Jan 23 14:26:33 2012] [notice] Child 228: Starting thread to listen on port 80.
[Mon Jan 23 14:27:36 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:36 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:38 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:38 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:38 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:38 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:42 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:42 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:43 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:27:43 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:28:00 2012] [error] [client 127.0.0.1] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://localhost/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:28:00 2012] [error] [client 127.0.0.1] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://localhost/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:28:02 2012] [error] [client 192.168.4.4] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:28:02 2012] [error] [client 192.168.4.4] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://192.168.3.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:30:12 2012] [error] [client 127.0.0.1] C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico is not executable; ensure interpreted scripts have "#!" or "'!" first line, referer: http://localhost/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:30:12 2012] [error] [client 127.0.0.1] (9)Bad file descriptor: don't know how to spawn child process: C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/img/80.ico, referer: http://localhost/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:30:19 2012] [error] [client 192.168.4.4] Premature end of script headers: ProgramWeb.dll
[Mon Jan 23 14:30:19 2012] [warn] [client 192.168.4.4] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:30:23 2012] [error] [client 192.168.4.4] Premature end of script headers: ProgramWeb.dll
[Mon Jan 23 14:30:23 2012] [warn] [client 192.168.4.4] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:31:08 2012] [error] [client 192.168.4.4] Premature end of script headers: ProgramWeb.dll
[Mon Jan 23 14:31:08 2012] [warn] [client 192.168.4.4] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:31:18 2012] [error] [client 192.168.3.2] Premature end of script headers: ProgramWeb.dll
[Mon Jan 23 14:31:18 2012] [warn] [client 192.168.3.2] ISAPI: HSE_STATUS_ERROR result from HttpExtensionProc(): C:/Archivos de programa/Apache Software Foundation/Apache2.2/cgi-bin/ProgramWeb.dll
[Mon Jan 23 14:31:18 2012] [error] [client 192.168.3.2] File does not exist: C:/Archivos de programa/Apache Software Foundation/Apache2.2/htdocs/favicon.ico
[Mon Jan 23 14:31:21 2012] [error] [client 192.168.3.2] File does not exist: C:/Archivos de programa/Apache Software Foundation/Apache2.2/htdocs/favicon.ico

    I see this thred about ISAPI / Multi processor problem and I do not know if this may be the cause:

    http://www.delphigroups.info/2/5/337564.html

    I use IbObjects. See http://www.ibobjects.../ibowhatis.html

     

    Multi-tier Development

    IB Objects caters admirably for middle-tier application server, CGI, WIN-CGI and ISAPI styles of application development, where a tight, stable connectivity core and high performance are demanded. These components are well-proven in multi-threading applications. Under most circumstances IBO handles sessions in multi-threaded apps automatically via thread local storage mechanisms. In applications where explicit session control is required, such as an ISAPI module, IBO's TIB_Session provides the necessary isolation.

    IBO 4 introduces explicit support for connection pooling, very suitable for ISAPI applications, because each web hit can close its own connection if it used one; and connection handles need not be wasted on hits that turn out not to need a connection.

    What's your opinion.

    Thanks.

    How I can controling sleep duration with UniScreenMask

    in General

    Posted

    Excuse my ignorance but I dont understand this:

    Does above code wait until email is sent?

    The mail has been sent when it reaches the end of the procedure:

    how do you understand that email is sent?

    This is the real code:

    procedure TUsuCorreo.BCorreoClick(Sender: TObject);
var SMTP: TIdSMTP;
  Mensaje: TIdMessage;
  Adjunto: TIdAttachmentFile;
begin
 try
    SMTP.Connect;
 except
   MessageDlg('Erro ó conectar co servidor', mtWarning, []);
   Exit;
 end;
 if SMTP.Connected then begin
    try
      SMTP.Send( Mensaje );
    except
      MessageDlg('Erro ó enviar a mensaxe', mtWarning, []);
      Exit;
    end;
    try
       SMTP.Disconnect;
    except
      MessageDlg('Erro ó desconectar do servidor', mtWarning, []);
      Exit;
    end;
 end;
 if Adjunto <> nil then
FreeAndNil( Adjunto );
 FreeAndNil( Mensaje );
 FreeAndNil( SMTP );
 MessageDlg('Enviuse o contrasinal ó Email que tes no teu perfil de usuario.', mtWarning, []);
end;

    How I can controling sleep duration with UniScreenMask

    in General

    Posted

    thanks for the response.

    I tried several ways to use UniScreenMask and have not found any satisfactory.

    This is my last code to send an email. I need to lock the window while sent email and at the end show a menssage with the action result.

    this is my code:

    procedure TUsuCorreo.BCorreoClick(Sender: TObject);
var SMTP: TIdSMTP;
  Mensaje: TIdMessage;
  Adjunto: TIdAttachmentFile;
begin
 BCorreo.Visible := false;
 LErro.Caption := 'ENVIANDO MAIL';
 Lerro.Refresh;
 Resultado := '';
 with TIniFile.Create(FicIni) do begin
   try
     sHost := ReadString('RH','MAIL_HOST','');
     sPort := ReadString('RH','MAIL_PORT','');
     sUsuario := ReadString('RH','MAIL_USUARIO','');
     sClave := ReadString('RH','MAIL_CLAVE','');
     sFromNome := ReadString('RH','MAIL_FROMNOME','');
     sFromEmail := ReadString('RH','MAIL_FROMEMAIL','');
     sReplyTo := ReadString('RH','MAIL_REPLYTO','');
     sAdjunto  := '';
     sCopia := ReadString('RH','MAIL_COPIA','');
     sAsunto := 'Web, reenvio de clave de acceso de usuario';
     sMensaje  :=
       '<html><body>'+
       '<p>Solicitou Vde. o reenvio do constrasinal para acceder á web'+
       '<p>Os seus datos de acceso son:'+
       '<p>Usuario: <b>'+UniMainModule.QueryUsu.FieldByName('TER_DNI').AsString+'</b>'+
       '<p>Contrasinal: <b>'+UniMainModule.QueryUsu.FieldByName('EXPDIA_CLAVE').AsString+'</b>'+
       '<br><p>Trate estos datos con prudencia xa que dan acceso a información confidencial'+
       '</body></html>';
   except
     Resultado := 'Erro ó cargar parámetros';
   end;
 end;
 Resultado := '';
 SMTP := TIdSMTP.Create( nil );
 SMTP.Username := sUsuario;
 SMTP.Password := sClave;
 SMTP.Host := sHost;
 try
   SMTP.Port := strtoint(sPort);
 except
   SMTP.Port := 25;
 end;
 SMTP.AuthType := satDEFAULT;       
 Mensaje := TIdMessage.Create( nil );
 Mensaje.Clear;
 Mensaje.ReplyTo.EMailAddresses := sReplyTo;
 with TIdText.Create(Mensaje.MessageParts, nil) do begin
   Body.Text := sMensaje;
   ContentType := 'text/html';
 end;
 Mensaje.ContentType := 'multipart/alternative';
 Mensaje.From.Name := sFromNome;
 Mensaje.From.Address := sFromEmail;
 Mensaje.Subject := sAsunto;
 if trim(sCopia)<>'' then begin
   Mensaje.BccList.Add;
   Mensaje.BccList.Items[0].Address := sCopia;
 end;
 Mensaje.Recipients.Add;
 Mensaje.Recipients.Items[0].Address := sDestino;
 if sAdjunto <> '' then begin
    if FileExists( sAdjunto ) then
      Adjunto := TIdAttachmentFile.Create(Mensaje.MessageParts, sAdjunto);
 end else
    Adjunto := nil;
 try
    SMTP.Connect;
 except
   Resultado := 'Erro ó conectar co servidor';
 end;
 if SMTP.Connected then
 begin
    try
      SMTP.Send( Mensaje );
    except
      Resultado := 'Erro ó enviar a mensaxe';
    end;
    try
       SMTP.Disconnect;
    except
      Resultado := 'Erro ó desconectar do servidor';
    end;
 end;
 if Adjunto <> nil then
    FreeAndNil( Adjunto );
 FreeAndNil( Mensaje );
 FreeAndNil( SMTP );
 Resultado := 'Enviuse o contrasinal ó Email que tes no teu perfil de usuario.';
 LErro.Caption := Resultado;
 LErro.Refresh;
 Lerro.Repaint;
end;

    And UniScreenMask:

     object Espera: TUniScreenMask
   AttachedControl = BCorreo
   Enabled = True
   DisplayMessage = 'Enviando eMail'
   Left = 218
   Top = 72
 end

    How I do for Uniscreenmask display throughout the event?.

    Thanks.

    Help to new user for random and unexpected errors

    in General

    Posted

    I solved this by creating a datamodule for each form and placing ther the Datasets, datasources and transaction.

    Now work fine.

    What is method for close sessión and redirect to an other page?

    This is well?:

      UniMainModule.QueryUsu.Close;
 UniMainModule.Conexion.Connected:=false;
 UniSession.AddJS('location.href="http://www.paxina.es"');

    tnkx.

    Help to new user for random and unexpected errors

    in General

    Posted

    My scenario is: UniGUI Beta v0.87.0.907, Ibojects Datasets, Window Xp or Server2008, Delphi XE, Apache 2.2. Run in Isapi Mode.

    In Main Module I have: Only one IbConnection for all forms and 1 IbTransaction+IbQuery+Datasource for login chack.

    In each form I have one IBtransaction and some IbQuery+DataSource.

    I get random and unexpected results:

    Some times work fine.

    Other times, when I open the same form I get an error: "Access violation at addreess...". . And if I try to reload the original page I get an erro: "Internal Server Error - The server encountered an internal error or misconfiguration and was unable to complete your request". Then I need to restart the apache.

    If close aplication with:

      UniMainModule.QueryUsu.Close;
 UniMainModule.Conexion.Connected:=false;
 UniSession.AddJS('location.href="http://www.paxina.es"');

    When reopen obtain this message: Error 500 - Premature end of script headers: program.dll.

    I know I'm doing something wrong but do not know which.

    Can anyone help me or show me some manual.

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