Hi,

I have built a suite of custom modules for a client - when one particular control is loaded, I get this error:

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Server Error in '/Reports' Application.

The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable.  Please review the following URL and make sure that it is spelled correctly.

Requested URL: /Reports/tabid/62/ctl/ReportViewer/mid/404/Default.aspx

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I came across a posting from a few years ago - someone that was having problems with the gallery module:

http://www.dotnetnuke.com/Resources/Forums/tabid/795/forumid/9/threadid/194917/scope/posts/threadpage/1/Default.aspx

The suggested solution was to disable friendly URL's on the Host Settings page.  I did the same for my site - and it solved the problem for this particular page.

Why would the page render just fine with Friendly URL's turned off - but get a 404 Error when Friendly URL's are turned on?

This one has me stumped...  My preference would be getting it work work with Friendly URL's turned-on.  Any feedback would be appreciated.

This is a DNN 5.5.1 portal.

Thanks for the reply.

There doesn't appear to be anything wrong with the url it's trying to access.

The interesting thing is that when I run this in "development mode" - i.e. using http://localhost/vrs as the url to access the main page - I am able to access the reports page of my custom module using:

http://localhost/vrs/Reports/tabid/62/ctl/ReportViewer/mid/404/Default.aspx - this works with Friendly URL's on or off.

The problem occurs when I set-up another instance of this portal up as a seperate site in IIS - so that the page is requested like something this:

http://varianceapp/Reports/tabid/62/ctl/ReportViewer/mid/404/Default.aspx

... that is when I get this issue.  This only happens with this one paricular Module Control - and I have dozens of custom controls in the application I built for the client.  The only thing different about this control is that it contains Developer Express reportviewer and toolbar controls.  I don't think this is the issue - because I have DevExpress controls used throughout the ascx files in my custom modules.

The weird thing is why it works OK with Friendly URL's turned off...

Thanks for the reply Bruce.  By the way, I use your URL Rewriter module on a handful of client sites and it works great..  It is not being used for this particular web application, however.

This just keeps getting weirder...  My client was getting the 404 error - but on my hardware I'm getting a 401 error - just for this particular Module control.  And keep in mind, I am only seeing this behaviour when I set-up another instance of the portal on my machine with a seperate web site in IIS.  Everything works OK in my dev environment using localhost - both with Friendly URL's turned on or off.

Here is the outpout from Fiddler for accesing the module control "ViewReports" when Friendly URL's are turned on:

GET http://dynamics/Reports/tabid/62/ctl/ViewReports/mid/404/Default.aspx HTTP/1.1
Accept: application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
Referer: http://dynamics/Reports.aspx
Accept-Language: en-CA
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; GTB6.6; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3)
Accept-Encoding: gzip, deflate
Host: dynamics
Connection: Keep-Alive
Pragma: no-cache
Cookie: .ASPXANONYMOUS=eQS9fKPBywEkAAAANmE5MmEyMmMtYWUzNi00Nzg3LWI3MjQtY2IwMmYwMzNlYzU50; StyleSheetWidget_TextSizeWidget=SmallText; undefined=%7B%22i%22%3A%5B%7B%22s%22%3A250%2C%22st%22%3A%22px%22%2C%22c%22%3Afalse%7D%2C%7B%22s%22%3A100%2C%22st%22%3A%22%25%22%2C%22c%22%3Afalse%7D%5D%7D; portalaliasid=AD1272D99626005196E37F9AAE5372F78DFD657D67099320F6E396BC533ACFEF0E8A25D126529DC0F879F1274C8311B4588885005C3647408CB911021AB05F5FDD2A2C67F8AC72D5E004ED5F4DA3D7515ACCC2E0346A9671166E7AE3FC65DC9FD2E8F178E1EA251EA45D4D7B43C3955098486EB8; portalroles=E529D0585CF91776B6C886E5D2319174FCDEB0C161E34C27B87CEAA8FBA5407CF3BF72FD34C4654E74082D99A3F2A812C16163D20108DF6E5E7321DE86D61CBC77F366F1E5712348B4CC49CC8AD185F94DA7E5570E318B1E06188EEDCC4A6BD510086048C5DBFFB43D4CD9537ACE934D729B89D8; language=en-US; authentication=DNN; .DOTNETNUKE=5668C679FA0346A97DB428DCBC8121E22FC21678DAD5F2273215B257B35F04CD26A4306DDB958CDC46384555966D69264191869892E6911A47D61B8D85B0411D42A0BB8F84E08E96E06DC352A24D0A2EB233186510AA63224E50A7232745C467563D82393048F80ACEBA9295; ASP.NET_SessionId=cwvnwrufyoo4xu2whwp53rvr


HTTP/1.1 401 Unauthorized
Content-Length: 0
WWW-Authenticate: Negotiate
WWW-Authenticate: NTLM
Date: Wed, 24 Nov 2010 13:27:31 GMT
Proxy-Support: Session-Based-Authentication

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And here is the successful response from Fiddler when Friendly URL's are turned off:

GET http://dynamics/Default.aspx?tabid=62&ctl=ViewReports&mid=404 HTTP/1.1
Accept: application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
Referer: http://dynamics/Default.aspx?tabid=62
Accept-Language: en-CA
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; GTB6.6; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3)
Accept-Encoding: gzip, deflate
Host: dynamics
Connection: Keep-Alive
Pragma: no-cache
Cookie: .ASPXANONYMOUS=eQS9fKPBywEkAAAANmE5MmEyMmMtYWUzNi00Nzg3LWI3MjQtY2IwMmYwMzNlYzU50; StyleSheetWidget_TextSizeWidget=SmallText; undefined=%7B%22i%22%3A%5B%7B%22s%22%3A250%2C%22st%22%3A%22px%22%2C%22c%22%3Afalse%7D%2C%7B%22s%22%3A100%2C%22st%22%3A%22%25%22%2C%22c%22%3Afalse%7D%5D%7D; portalaliasid=A49F7704B274CF069F1E190854D64BD1ADB94CFA53ED89C5223E9026AAC0DE6EB2537BADE7EB5308AFAF16D6DF0E64A8978FD7F0318A625BCD44D3EC519ED778B28DD70D8A32431981F985A582A82359373D13A0575E2F4F9D5ABF6E4769E43A85FA3C10A55735679749C6E1FEE50FDDC62A5FD8; portalroles=FED138B34B0E667575D03BBE6881A081B888A52A22416F656F88B2475A3C359D60D83C8D3E6E08E2B41BB07C6BBBD88D4FB57E02581D7FD09F48704A19C3AFFE596681269A9AE811DB97902D87374DF29642247C6757D789821A23FDDA3B1257752655515BE24C7DA3B54BA5DAE8ED49CFD8E69A; language=en-US; authentication=DNN; .DOTNETNUKE=1792EA7401F6D8CCCF46942D41F0E0991A1495F47D215D8A0C8E8223F8DA1249B1CC193987D011AD079964DA6E33315FD161ABBE34C8B935214C5AC69074A12C447C0DB78E71796E60B0449DA2186D79B7309F6F7A54556065AEBFEC1C5805580D4084C5487E1B92922D006F; ASP.NET_SessionId=cwvnwrufyoo4xu2whwp53rvr


HTTP/1.1 200 OK
Cache-Control: no-cache
Pragma: no-cache
Content-Type: text/html; charset=utf-8
Expires: -1
Server: Microsoft-IIS/7.5
Set-Cookie: language=en-US; path=/; HttpOnly
X-AspNet-Version: 2.0.50727
Set-Cookie: language=en-US; path=/; HttpOnly
X-Powered-By: ASP.NET
Date: Wed, 24 Nov 2010 13:59:25 GMT
Content-Length: 184772

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The good news is that my client can access the ViewReports control with Friendly URL's turned off - but I'd really like to get to the bottom of this issue.

Thanks, Al