Troubleshooting Objects in an ASP Page Using Windows Script Host (WSH)

• Microsoft Internet Information Server version 4.0

SUMMARY

When you try to troubleshoot an Active Server Pages (ASP) application where object creation is failing, it is often useful to obtain a list of all the object creation statements and their provider DLL or OCX.

MORE INFORMATION

WARNING: ANY USE BY YOU OF THE CODE PROVIDED IN THIS ARTICLE IS AT YOUR OWN RISK. Microsoft provides this code "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

1. Copy the WSH Code listed below and save it as a text file named "ListObjects.vbs" in the same directory as an ASP or ASA file that you want to troubleshoot.



2. Open a command prompt and change to the directory where you saved the WSH file.



3. The syntax to call this script is as follows:

   CSCRIPT.EXE ListObjects.vbs FileName.ext

   where FileName.ext is the name of the page that you want to check. For example:
   

   
   CSCRIPT.EXE ListObjects.vbs Global.asa 

   This command lists all of the "CreateObject" or "GetObject" statements in your Global.asa file.

WSH Code

''''''''''''''''''''''''''''''''''''
'
' LISTOBJECTS.VBS
'
' Author:     Microsoft
' Purpose:    Lists all "CreateObject" and "GetObject" statements
'
''''''''''''''''''''''''''''''''''''

Option Explicit
On Error Resume Next

Dim objFSO
Dim objFile
Dim objArg
Dim wshShell
Dim intLineCount
Dim strLine
Dim strTemp1,strTemp2
Dim strCLSID
Dim strInprocServer32
Dim strThreadingModel
Dim X,Y

Const ERROR_SUCCESS = 0

Set objArg = WScript.Arguments
Set wshShell = WScript.CreateObject("WScript.Shell")

If objArg.Count < 1 Then
        ShowHelp
        WScript.Quit
End If

Set objFSO = CreateObject("Scripting.FileSystemObject")
  If Err.Number <> ERROR_SUCCESS Then ShowError: WScript.Quit
Set objFile = objFSO.OpenTextFile(objArg.Item(0), 1)
  If Err.Number <> ERROR_SUCCESS Then ShowError: WScript.Quit

WScript.Echo vbCrLf & String(40,45) & vbCrLf
WScript.Echo "FILE: " & objArg.Item(0)

Do While Not objFile.AtEndOfStream
  strLine = LCase(Trim(objFile.ReadLine))
  If Err.Number <> ERROR_SUCCESS Then
    ShowError
    WScript.Quit
  End If
  intLineCount = intLineCount + 1

  Do While InStr(strLine,"createobject") Or InStr(strLine,"getobject")
    X = InStr(strLine,"createobject")
    Y = InStr(strLine,"getobject")
    If (X > 0 And X < Y) Or (X > 0 And Y = 0) Then
      strTemp1 = Mid(strLine,X)
      If InStr(strTemp1,")") = 0 Then
        Exit Do
      Else
        strTemp1 = Left(strTemp1,InStr(strTemp1,")"))
        strLine = Mid(strLine,X + Len(strTemp1))
        strTemp2 = Mid(strTemp1,InStr(strTemp1,Chr(34))+1)
        strTemp2 = Left(strTemp2,InStr(strTemp2,Chr(34))-1)
        strCLSID = wshShell.RegRead("HKCR\" & strTemp2 & "\CLSID\")
          If Err.Number <> ERROR_SUCCESS Then ShowError: WScript.Quit
        strInprocServer32 = wshShell.RegRead("HKCR\CLSID\" & strCLSID & "\InprocServer32\")
          If Err.Number <> ERROR_SUCCESS Then ShowError: WScript.Quit
        strThreadingModel = wshShell.RegRead("HKCR\CLSID\" & strCLSID & "\InprocServer32\ThreadingModel")
          If Err.Number <> ERROR_SUCCESS Then ShowError: WScript.Quit
        WScript.Echo vbCrLf & "Line " & intLineCount & ": Object: " & strTemp1
        WScript.Echo Chr(9) & "Class ID:  " & Chr(9) & LCase(strCLSID)
        WScript.Echo Chr(9) & "Server:    " & Chr(9) & LCase(strInprocServer32)
        WScript.Echo Chr(9) & "Threading: " & Chr(9) & LCase(strThreadingModel)
      End If
    Else
      If InStr(strTemp1,")") = 0 Then
        Exit Do
      Else
        strTemp1 = Mid(strLine,Y)
        strTemp1 = Left(strTemp1,InStr(strTemp1,")"))
        strLine = Mid(strLine,Y + Len(strTemp1))
        WScript.Echo vbCrLf & "Line " & intLineCount & ": Object: " & strTemp1
      End If
    End If

  Loop
Loop

objFile.Close

Sub ShowHelp
  WScript.Echo "USAGE:"
  WScript.Echo "CSCRIPT.EXE ListObjects.vbs <FILENAME.EXT>"
End Sub

Sub ShowError
  WScript.Echo "ERROR: " & Err.Number
  WScript.Echo Err.Description
End Sub 

Further Reading

http://msdn.microsoft.com/scripting/

Additional query words:

Keywords          : 
Version           : winnt:4.0
Platform          : winnt 
Issue type        : kbhowto 

Last Reviewed: July 21, 1999 © 1999 Microsoft Corporation. All rights reserved. Terms of Use.