HTTP 404 Error On A Website / How To Repair
Jan 3, 2011
I am developing a website for uploading files to our web server. The site was working last week when I first set up the website. However, I made some changes this morning and copied/pasted my new version on our webserver. Now whenever I enter the URL, I get the HTTP 404 error. The other sites I developed are still working. It is only the new website that is giving this error. I have checked to make sure I am spelling the file names correctly. An test html file loads fine in this subdirectory, but when I change it to the default.aspx, I get the HTTP 404 error.
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Aug 19, 2010
have this error in server..
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
Source Error:
The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, follow one of the below steps, then request the URL:
1. Add a "Debug=true" directive at the top of the file that generated the error. Example:
<%@ Page Language="C#" Debug="true" %>
or:
2) Add the following section to the configuration file of your application:
<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>
Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode.
Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.
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Mar 25, 2011
i am trying to upload excel data into datbase i am getting jscript error but data is uploading sucessfully.I am using ajax extension.
Same code i am using for uploading text file data but i am not getting any error.
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Apr 30, 2010
I am running this piece of code to get the source code (as string) of my webpage.
The problem is why this function returns 404 error?
Private Function getPageSource(ByVal URL As String) As String
Dim webClient As New System.Net.WebClient()
Dim strSource As String = webClient.DownloadString(URL)
webClient.Dispose()
Return strSource
End Function
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Feb 24, 2010
I have a SQL querry
Dim updmyclass As New OleDbCommand("Update FacultyClass SET HasEclass = 'Yes' WHERE SubjectCode = '" & GridView2.SelectedRow.Cells(1).Text & "' AND SectionCode '" & GridView2.SelectedRow.Cells(1).Text & "' AND FacultyId = 'F10011' ", con)
And I am getting this error
Syntax error (missing operator) in query expression 'SubjectCode = 'Eng101' AND SectionCode 'Eng101' AND FacultyId = 'F10011''.
My sql statement seems correct. . What is the problem about this one??. Do someone knows what is the problem??
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Dec 2, 2010
I am having problem redirecting error when error is http 500 or http 403 locally running this site there is no problem it gets redirected to my errorpage.aspx. But when deployed at server, it does not get .tried putting try and catch in page_load and in global.asax and I have set Application_Error to redirect to that page and also set <customErrors defaultRedirect to that page also
error
statusCode="500"
redirect="/errors/errorpage.aspx?error=500"
/>
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Apr 12, 2010
I have just installed IIS manager version 6.1 build 7600 and visual studio 2010 (latest additions of both).
I have followed all the instructions and given the correct permisions ect for IIS to work with my directory. I have a helloworld website that has worked via the localhost server many times, but almost hourly something happens to the settings in IIS and it starts throwing errors.
The current error copied below. Basically I am wondering a few things...
1. Why does my IIS constantly do something so that it works one minute and then it wont the next (this is with an identical helloworld.htm file so I know it is not something I am doing with the file that is messing it up).
HTTP Error 500.0 - Internal Server Error
Calling LoadLibraryEx on ISAPI filter "C:WindowsMicrosoft.NETFrameworkv4.0.30128aspnet_filter.dll" failed
Module
IIS Web Core [code]......
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Apr 20, 2010
I am currently trying to setup our website on a windows 2008 R2 64bit machine without much success. When I try to run the website I get the error detailed below. This only happens when I run the site under .NET 4. It works when I run it under .NET 2.
I have also tried going to a test aspx page to see what happens and it also give me the same error so it is obviously something to do with .NET 4 or the way I have it set up. I am thinking it might be a permissions thing but I am not sure what permissions should be set where. Please note this is the full version of .NET 4. The error I keep getting is:
HTTP Error 500.0 - Internal Server Error
An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.Detailed Error Information
Module AspNetInitClrHostFailureModule
Notification BeginRequest
Handler PageHandlerFactory-Integrated-4.0 [code]....
Most likely causes: The module could not be found.IIS received the request; however, an internal error occurred during the processing of the request. The root cause of this error depends on which module handles the request and what was happening in the worker process when this error occurred.
IIS was not able to access the web.config file for the Web site or application. This can occur if the NTFS permissions are set incorrectly.
IIS was not able to process configuration for the Web site or application. The authenticated user does not have permission to use this DLL.
The code in the test.aspx is
<%@ Page language="vb" %>
<html>
<body> [code]....
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Mar 22, 2011
I try to upload web application to the server. After that I access it through http://..., but get
[Code]....
I search on the web, and add IIS_IUSRS to security of the folder of web application, and upload again. But still get same error. I need help on this,
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Sep 20, 2015
the same application is working fine in 32 bit machine of my colleague where as in my 64 bit machine I am getting the following error. I also tried by changing Target Platform of the web app, under Properties-->Build-->Platform Target: From X86 to X64, in fact I tried all 3.
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.
Detailed Error Information:
Module
IIS Web Core
Notification
BeginRequest
[Code]....
Config Source:
18: <validation validateIntegratedModeConfiguration="false"/>
19: <handlers>
20: <remove name="ChartImageHandler"/>
More Information: This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.
View more information »
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Dec 27, 2010
Web developer newbie question (I am otherwise fluent in C#!):
I need to set up a web site (ASP.NET/C#) that can receive XML posts via HTTP. I haven't the first clue of where to start. Create web site? Web page? Web service? WCF? Can you self-host it, or must it be on IIS? How/where do you catch the post event?
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Feb 16, 2010
I need to send a Customized Error page for 503 Errors produced by my asp.net website. I have tried to simulate the condition by switching off the application pool (doesn't work) and by flooding my application with requests. Even though IIS sends me the default 503 error page, and even though I have tried setting a Custom URL in IIS and ASP.NET for this error code, it still returns me the default 503 error page.
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Jan 11, 2010
I'm very new to ASP and have been writing a site which has been working fine both in development and on my production server.
However I added some reports to my site and now it works fine when I run debug on my local machine, but when I package the solution and move it onto my production server I get:
HTTP Error 500.23 - Internal Server Error
An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode.
I'm suing server 2008 STD X64 with IIS7. I've made sure all my windows updates are done.
I've no idea whats causing this. I've tried removing the pages with reports on and I still get the same issue.
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Feb 17, 2011
I'm getting "Cannot get pickup directory" under IIS 7.5. I've granted privileges to the mail folder to the IIS_IUSRS group. I recall from IIS 6 that I had to use to make some changes to the metabase using ACL tool.
Does the IIS 7.5 also use the metabase? Do I need to do anything with IIS 6 when installing pickup directory?
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Dec 11, 2010
My question about I created a web site as a file system if I need to publish it what is the rules I follow.
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May 21, 2010
how to retrieve complete url of a website including http?
example: [URL]
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Feb 14, 2011
I'm currently developing a website using ASP.NET MVC.I need this website to communicate with an external API using HTTP Post.
I'm unsure whether I should be coding this up in ASP.NET to perform the http post requet and read the response, or whether I should be coding this up in a c# class.It seems when developing a site, you have the option to chose either for many scenarios.
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Jun 24, 2010
We are planning to move our website to https, which currently running on only http only. Web site is running on IIS7 in Windows 2008 server. Do I need to update/modify any configuration settings in the website to make it work on HTTPS? Is it fine just installing certifictes?
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Feb 4, 2011
This has been bugging me for a while now. Whenever I try to share my website link on Facebook or another link-sharing site, the link-sharing site either removes the URL (like it doesn't recognize it as valid) or in Facebook's case - it can't retrieve meta-data automatically.
I'm pretty sure that it used to work. However, Googling / StackOverflowing for this problem is a difficult task, since I have no idea what possibly could create this problem.
I've tried to create a static .HTM file on my website, and that works fine: test.htm
My default home page is a classic ASP (yeah I know, PHP version in the works) which uses IIS 7 URL Rewrite module.
I've tried to check the resultcodes and headers for both test.htm and my default home page on this page: [URL]
This is the results:
test.htm
URL=http://www.orango.nu/test.htm
Result code: 200 (OK / OK)
Content-Type: text/html
Last-Modified: Fri, 04 Feb 2011 10:16:55 GMT
Accept-Ranges: bytes
ETag: "0d877a654c4cb1:0"
Server: Microsoft-IIS/7.0
X-Powered-By: ASP.NET
Date: Fri, 04 Feb 2011 10:40:08 GMT
Content-Length: 452
default home page /
URL=http://www.orango.nu
Result code: 200 (OK / OK)
Cache-Control: public
Content-Length: 13463
Content-Type: text/html; Charset=UTF-8
Accept-Ranges: bytes
Server: Microsoft-IIS/7.0
Set-Cookie: ASPSESSIONIDSCSADCAR=DLPBECCBGDJMADLEPMOMHDDC; path=/
X-Powered-By: ASP.NET
Date: Fri, 04 Feb 2011 10:24:22 GMT
The first 4 lines of my default.asp (/) file are:
Response.ContentType = "text/html"
Response.AddHeader "Content-Type", "text/html;charset=UTF-8"
Response.CodePage = 65001
Response.CharSet = "UTF-8"
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Jul 7, 2010
Visual Studio ( VSTS 2008 ) design mode work good for long time and from about 2 weeks ago it's suddenly stop view any thing in design mode i tried a lot with trying in another projects even in a simple web page but no way it's doesn't view any thing in design mode ... I think to reinstall VS 2008 again but I don't know if is there any outher solution for that ?
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Feb 24, 2010
i am using VS2008, 3.5 .net and have installed ajax control toolkit and added controls into toolbox, that was fine. But, i can't get any of control to work, nor it renders in design view on my page. Control source is created, page builds without errors but controls don't work. For example:
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
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Jan 10, 2011
I was working on a .Net 2.0 application. Late at night I upgraded it to .Net v.4. Then, as SVN was complaining I started to do manual conflict resolution. Even later than that I tried to check in my changes, then hit some conflicts so manually merged changes from the two different .csproj files.
I can't get back to where I was and rolling back to the previous version makes me lose all the code that has been written for it.
So I'm looking for a quick/dirty and reliable way of making sure my application code doesn't get lost?
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Jun 30, 2010
I have an existing ASP.NET application and there is a requirement in which i need to use ASP.NET MVC in that.
So altogether i need to mixing ASP.NET Webforms and ASP.NET MVC I am following an article [URL] I am done with all the steps. But its not working as expected.
[Code]....
When ever i add this to the web.config i am getting error. HTTP Error 500.22 - Internal Server Error An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode. ERROR CODE: 0x80070032 My OS is Vista Enterprise Edition.
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Nov 11, 2010
In IIS 7.5 i configured my asp.net website for "http,net.pipe" in "Enable protocols".
Note:
net.pipe configuration is done to call another module within the website (SOA). Every thing worked fine with simple asp.net & net.pipe service invocation calling other module. But When i try to call RIA service from silverlight 4 i get the following error
The provided URI scheme 'net.pipe' is invalid; expected 'http'.
Parameter name: context.ListenUriBaseAddress
How can i configure my website to work in http & net.pipe configuration ?
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May 7, 2015
after installing ssl for a website (by host admin)
all of pages are https now,
I need one http page? it is related to programming or iis?
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