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Forums Using DNN Platform Administration and Configuration

General Exception /SimpleGallery/RSS.aspx

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Han Peper
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Posts: 16
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11/12/2019 4:09 PM

I get lots of the following errors. It’s on DNN 9.2.0 In the past I used SimpleGallery but not anymore. Did a search in the files and database but nowhere SimpleGallery is found. Any ideas where this error comes from?  

AbsoluteURL:/DesktopModules/SimpleGallery/RSS.aspx

DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID:de82b114-de5e-4240-893e-51f3113717f3

AssemblyVersion:

PortalId:-1

UserId:-1

TabId:-1

RawUrl:

Referrer:

UserAgent:

ExceptionHash:7de8GVTIUTTA7oDsBcgyYoPrElY=

Message:Unhandled Error:

StackTrace:

InnerMessage:The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

InnerStackTrace:

at System.Convert.FromBase64_ComputeResultLength(Char* inputPtr, Int32 inputLength) at System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength) at System.Convert.FromBase64CharArray(Char[] inArray, Int32 offset, Int32 length) at System.Web.Security.FormsAuthentication.Decrypt(String encryptedTicket) at DotNetNuke.Services.Syndication.RssHttpHandlerHelper.ParseChannelQueryString(HttpRequest request, String& channelName, String& userName) at DotNetNuke.Services.Syndication.RssHttpHandlerBase`3.System.Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Source:

FileName:

FileLineNumber:0

FileColumnNumber:0

Method:

Server Naam

Joe Craig
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11/12/2019 4:29 PM
Try this one: https://github.com/ventri...leases/tag/v02.04.40
Han Peper
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Posts: 16
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11/12/2019 4:41 PM

I don’t have SimpleGallery installed on this DotNetNuke instance. That’s why I don’t understand why these errors are happening.

Joe Craig
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11/12/2019 7:16 PM
Because the error refers to RSS.aspx, I'd guess that this has something to do with RSS.

If you uninstalled the module (Look at the Extensions Persona Bar to verify that the module really is installed.) then there might be a left over scheduled task that handles the RSS feed.

You should also check the bin folder and eliminate any files related to the Simple Gallery module.
Timo Breumelhof.
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11/13/2019 2:41 AM

Aslo I have seen bots trying to acces the RSS feed of an uninstalled module for a long time.
You could try the path directly and see what happens (to see if these are actual calls or maybe a scheduled Task as Joe suggested)?

(www.mysite.com/DesktopModules/SimpleGallery/RSS.aspx)

Han Peper
New Around Here
Posts: 16
New Around Here
11/14/2019 8:33 AM

Found it.
The error message gave me the idea that it was the website who generate the error and not a bot or something else outside the website. After searching the iis logs I found that it was a other DNN instance on my server. One of the inactive portals (not active in IIS) was looking for the RSS.aspx and generating lots of errors.

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