Source Of Dllhost.exe
I've got a Windows 2000 server running with about 50 websites on it, all
running ASP scripts. I've noticed that the servers CPU usage gets up 100%
sometimes, caused by dllhost.exe, which I'm certain is a hanging ASP script
somewhere on the box. Probably an on error resume next line that doesn't go
anywhere when an error is an encountered. Anyways, I'm not sure if there's
a way to isolate the website where its originating, or even the page this
problem is originating from. Is there a way to do this?
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oRS.CursorType = 1
oRS.LockType = 3
sSQL = "select * from sat_lesson_drills where drill_id=" & drill_id
oRS.open sSQL, conn
For each Field in oRS.Fields
if instr(Field.Name,"MA") = 0 then
oRS.Update Field.Name, Request.Form(Field.Name)end if
next
oRS.Close
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Im suddenly having a problem with the asp pages displaying on my website. Whenever I try to access an asp page, the processor usage of the task "dllhost.exe" shoots up to
100% and my asp script times out.
This asp code has been running on my site for over a year and nothing has changed about it. All the articles/advice that I have read relate to programming variables within
the asp script to prevent these type of problems. If the script has been running for this long, why would this type of problem manefest itself at this time?
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I have intermittent problems with asp pages timing out. When this happens, my DLLHOST.exe runs away with all of my CPU for about 2-3 minutes. As I understand it, this component executes asp requests in a COM server on IIS.
I am not using any custom COM objects in my app, but lots of ADO. Could this be a memory leak with my use of ADO, or is this caused by something else? If it is a memory issue, I can start tracking it down. I just need to know what the possible issues/causes could be to get started troubleshooting.
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The following is the error keep getting while running web application.
Tools used: HTML, ASP, DLL's(written in Delphi).
Application Error: dllhost.exe - Application Error
---------------------------
The instruction at "0x00000000" referenced memory at "0x00000000". The
memory could not be "read".
Click on OK to terminate the program
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I have an IIS app running in high isolation, although the dllhost.exe COM+
process isn't shutting down & accumulated memory released. I've tried to set
the 'Server Process Shutdown' on the server package in COM+ in an attempt to
shut-down the process when idle for more than 3 mins (the default), but this
ain't happening.
I've read that this may be because IIS is caching the TypeLibs so I tried
setting the AspEnabletypelibCache flag to try stop IIS doing this, if indeed
it was, but the process still doesn't shut down.
Is there another way to get the process to shutdown (I thinkin this must be
happening because references to various dll's aren't being released in the
code), I would hope there to be a way to tell IIS/COM+ to shut-down the
process anyway. I don't want to have to run a script to keep unloading the
process.
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I am running a web application with application protection level set to high, so it runs in a separate dllhost.exe process, the process takes around 14,000 K of memory I wanna know if this is fine or I have a memory leak problem.
I set all record sets to nothing without closing them and also I close the database connection.
Are there any tools that can measure the ASP page performance and tell me where do I have performance bottlenecks?
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I'm running IIS 5.0 under Windows 2000 Server. My ASP (VBscript) code
instantiates and uses some objects implemented in custom-written Visual Basic
6 DLLs. (Thanks to a previous thread, we no longer store those objects in
Session variables.) Application Protection for this site's Virtual Directory
is set to Medium (Pooled).
I'm using the Microsoft Web Application Stress Tool to monitor performance
and make sure database connections (opened within the VB6 DLLs) are being
closed and pooled properly. At the same time, I'm using the Windows Task
Manager to watch how much memory DLLHOST.EXE is using.
Windows Task Manager is showing me that DLLHOST is using more and more
memory over time. Memory usage goes up while a test is running, and then goes
down a bit when the dust settles after a test (e.g., once the closed
connections are removed from the pool and finally deleted), but it never goes
back down to what it was before the test ran--over time, memory usage keeps
creeping upward.
The VB6 DLLs used by my ASP pages open ADO database connections, but the
code is very careful about closing Recordsets and Connections and setting
them to Nothing.
A few questions:
1. Is this normal? Should I be concerned?
2. The ASP code instantiates these object with code like this:
set obj = Server.CreateObject("DLLname.ObjectName")
Is it important for the ASP code to do something like "set obj = Nothing"
before it exits? If the ASP code doesn't do that, will the memory used by the
object be freed when the ASP page terminates or when the user's Session ends?
3. Is there a better way I should be monitoring memory usage for this kind
of situation? (The Counters in the Perofrmance Monitor are kind of daunting.
If you can suggest an article that would help me understand memory usage,
that would be great.)
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Today, an interesting thing happened to me. When I am doing the test of an
asp program, one of the pages(which I submitted several ten times before, no
problem at all) caused our server cpu rising to 100% and I reset IIS and
submit that page again and same thing happened again, and then reset IIS
again and it happened again, the process caused this is dllhost.exe.
Thinking about what's the difference this time from what I submitted before.
The only thing I can think of is I entered some name fields data with
apostrophe.
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We have a web application in AS. It also uses COM+ and SQL Server as back-end. Sometimes the size of the dllhost.exe grows unexpectedly. It is such that we restart our IIS/ PWS. Also there is only one instance of dllhost running when we restart the webserver but later on we notice more than one instance sometimes.
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I have an ASP application that has been running for 5 years that I am now modifying. Since then, I have installed asp.net 1.1 and 2.0 on my xp pro box. Whenever I run the "login" code for the app, it crashes as my dllhost goes to 98% cpu. I have traced the code to this line:
Session("SCHUserID")=123
What is strange is if I set the value to 11 or lower, this does not fail. What is also strange is if I set Session("SCH1UserID")= 123 it works. I know this has to have something to do with running asp.net on this box as well. I have tried running the app in its own process (High) and creating it's own virtual directory with no luck.
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I am having serveral web applications in ASP in my server ( windows 2000 advance server ), sometimes dllhost.exe taking more memory and causes the cpu usages to be 100% and makes the server hangup and causing error like "TNS : listener failed to start a dedicated server process", by the way if i end the process of dllhost.exe manually then the cpu usage will be very less and i wont get such error .
i have the following questions regarding that
1)what causes the dllhost.exe to takes more cpu usage,
2)is there any command from dos to kill such process so that i can create bat file to be run every one minute. i have searched i found only some third party tools and there is command taskkill but it is not for windows 2000 ( it is available only for win xp and windows 2003)
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I am working on a small project which requires XML data to be read from ASP.
I am successful at using XML/DOM objects. But when the data size goes up, sequential access will tax the web server. I would like to retrieve the data in the xml file like a MSAccess DB.
I read somewhere that XML source can be provided as data stream in ADO. If anyone has knowledge on this, please provide me links. If possible, answer to these queries will also be appreciated.
1. Which version of IIS supports this.
2. Which version of ADO
3. Additional components needed at the server ?
I found the following link at MS.
http://support.microsoft.com/default.aspx?scid=KB;en-us;q263247
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I am looking for an open source, very simple CMS that allows an administrator to add pages, news articles, and maybe a staff directory.
We don't need new users to signup, or comment, or anything along those lines. Maybe a wysiwyg editor included. Just for a homepage, a news section (that may include many sub-cats, pages).
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i dunno what's the DSN coz it's my friends code and she's using windows2000 so her open database connection code differs from what i use..like
"con.open ...."
what should i do to redirect the the connection to its database?i cant change all the codes coz there's many pages and takes ahellotta time
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Does anyone know of any source control software (besides Visual studio) that allows a multi-user environment to be able to check out/in files and keep version control?
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I am trying to debug some values in production server.I want to print the value of rRes(10),but I don't want to show it in the screen.I just want to show it in the source code but comment out,so that I can look at the value.Is it possible?
Response.Write("rRes(10) = " & rRes(10)) will show the value in the screen,but i want to hide it in the screen but still see the value in the source code.
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there are any open source for ecommerce site like a one such for 'oscommerce' in php/mysql.
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i've developed an appliaction that i want to sell it to my client, but dont want him to reseller it, so is there any solfware or techniques that i can used to protect my asp source ?
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how do u get somthing from the root directory no matter where abouts you are? say i'm in /folder1/bla/test/foler2 and i wanted to place an image on this page but i don't want to have to backtrack ( ../../../../ ) all the way to get there. is there a peice of code that can go straight to the root directory?
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I want to open the source code in an iFrame. What's the ASP script for that?
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ADODB.Connection.1 error '80004005'
SQLState: IM002
Native Error Code: 0
[INTERSOLV][ODBC lib] Data source name not found and no default driver specified
------------------
strconn ="DSN=dsnname ; UID=username ; PWD=password"
set conn = Server.Createobject("adodb.connection")
conn.Mode= 3
conn.open strconn
the error is in the last line. THANX
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Is there a way of processing an ASP page and placing the resulting HTML
source code into a TEXTAREA on another page?
I have a page that will be generated dynamically from database content.
However, I want a form on another page to have access to the compiled source
code for use in an electronic newsletter.
Manually I would load the dynamic page, view the source and copy it out. I
would then paste it into my form field on the relevant page.
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This is not really language specific but more of a source code parsing.
I have a large ASP source file that I like to split up, resulting in separate ASP files, each containing one function and the filename named after that function.
Does anyone know of a tool/script which does this?
PS: I am too lazy to learn Perl/AWK/Python to do this, hence why I believe someone has already written a tool/script to do this. Possibly in C++/etc.
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how can i load in an adodb.recordset a remote xml file on another http
server.
if i use the simple ole-db provider, that work as an admin only. (according
to ms, this component mustn't be used for non-interactive users.
So i found serverxmlhttp but ...
i can load the remote source in,
i can load it in an domdoc, as describe in the msdn,
but,
as my files are encoded for french, they can't be open by the recordset.
so my question is the following ?
is serverxmlhttp the only way ?
if it is, how to make it work properly in this case ?
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How can i get the source code of a web page through asp code?
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I Would Like To Be Able To Hide All My Code And Stop Others From Taking My Scripts From The View>source Option. And I Would Like To Be Able To Put A Picture In That Option So That When Other View Source All They Get Is A Picture ?
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Is there a code that will deactivate the View Source on a browser? I have people tealing my page content from my client web site.
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My company has developed a Learning and Content Management System (LCMS) using ASP (there is some .NET) and SQL Server 2000.I are currently exploring the idea of releasing the source code to the Microsoft development community under an open source agreement. If you or someone you know would be interested in participating please reply to this post with your contact information and why you are interested. (You may also send an email to URL with the subject "Open Source LCMS")
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I have a page which contains a TEXTAREA form field.I want to be able to click a button and have it go off and fetch the source code for a compiled ASP page ie.
what the user would see if they loaded the ASP page into their browser and put the source code into this form field.Is this possible?
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I want to read an ASP file and display its source text.But I only get its HTML output. Later on,I will extract that source text to display certain thing.
Here is my code:
Const Filename = "/aspBoard.asp"
Dim FSO
set FSO = server.createObject("Scripting.FileSystemObject")
Dim Filepath
Filepath = server.MapPath(Filename)
Set TextStream = FSO.OpenTextFile(Filepath)
Dim content
content = TextStream.readall
Response.Write content
TextStream.Close
Set TextStream = nothing
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My company recently hired a third party to handle phone orders during off hours. The third party wants to be able to update our database through their own interface. We are running SQL Server 2000 on Windows 2000 Server with ASP.NET 1.1. The number one thing that come to mind is security for credit cards. Perhaps some kind of web service, xml, etc.? Does anyone have any suggestions on the best way to handle this?
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I was wondering does anyone use any third party tool to encrypt the original ASP source code from dispose.
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