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Description
A partner upgraded their CMS project to 11 and log4net stopped working. No log is written, no matter what settings set in the EpiserverLog.config. It worked in CMS10.
Resolution
According to debug logging in log4net it seems that their project is using log4net before Epi so gets triggered from wrong assembly.So changing:using log4net;to:using EPiServer.Logging.Compatibility;in this project fixes the problem.
The problem is that this module accesses log4net.LogManag...
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DescriptionIf you are using remote events (this affects all event providers) and then upgraded to CMS 10, you may have noticed a major bug where if a page were moved to the trash bin, you would notice a spike of CPU resources and network utilization that will remain until an appPool or IIS reset is done. It is a nasty bug that essentially makes remote events unusable.
The bug was reported to CMS R&D and a fix is included in 10.3.1 of EPiServer.CMS.Core package.CauseThis bug was due to langu...
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Description
When attempting to use remote debugging against an Integration DxP environment, the following error may occur.
System.Runtime.InteropServices.COMException (0x89710023): Unable to connect to the Microsoft Visual Studio Remote Debugger named 'inte.example.com'.
Steps
First, ensure the following documentation has been followed.
https://world.episerver.com/documentation/developer-guides/digital-experience-platform/troubleshooting/#EnableDebugging
The critical steps are the...
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Description
When tblActivityLog is very large the Change log auto truncate job may not complete due to a timeout.
Steps
There is a stored procedure called netActivityLogTruncate which can be run to allow the job to complete. Make a database backup prior to running this. e.g.
EXEC [dbo].[netActivityLogTruncate] 1, -- @Archive BIT, 1000000, --@MaxRows BIGINT, 36793782, --@BeforeEntry BIGINT = NULL, this is the pkID of row at 2020-06-28T23:59:58 '2020/06/29', --@CreatedBefore DATETIME = N...
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Description
During DXC deployment to PREP or PROD environments the following error message is seen when application starts: error CS0006: Metadata file 'D:\local\Temporary ASP.NET Files\root\X\X.dll' could not be found. The dll is most often App_Code.dll or App_global.asax.dll but can be any Top-level file.
(Top-level files include the global.asax file and all files in the bin and App_Code folders)
Workaround
Restart the app service.
Resolution
Set the optimizeCompilation...
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Description
In DxC it is popular to block off IPs so only certain IP addresses can access a particular site. These rewrites can be difficult to troubleshoot in DxC because it can be difficult to test with a particular IP. Below is a way to spoof an IP so that it can be tested against the restrictions. It is generally easier to try this locally before attempting to spoof in DxC.
Steps
Follow the DxC documentation for blocking IPs.
Add the bolded section to the rule.<rewrite> <rules> <r...
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Description
500.53 URL rewrite module error with message Outbound rewrite rules cannot be applied when the content of the HTTP response is encoded ('gzip') with Application Insights enabled.
Resolution
Add and/or change either doDynamicCompression or doStaticCompression or both to false in urlCompression element in web.config.
Ex:
<configuration> <system.webServer> <urlCompression doStaticCompression="false" doDynamicCompression="false" /> </system.webServer></configuration>
F...
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Description
A partner implemented a custom property. This property is basically a button that opens a dialog where I can select an object which is, in the end, saved as a long string.
The property works well in Chrome, but it does not work in IE11 or Edge, he gets the following error in IE dev tools:
Resolution
In the _setValue method, we need to clone the value received from the dialog:
this._set("value", JSON.parse(JSON.stringify(val)));
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Description
Azure Application Log behaves differently when changing customErrors mode in the web.config file. With customErrors set to "Off", 500 error messages are logged with more details than setting it "On". For example:
1. CustomError On:
<customErrors mode="On"> <error statusCode="500" redirect="Error500.html" /></customErrors>
Error message in the log file:
EPiServer.Global : Unhandled exception in ASP.NETSystem.InvalidOperationException: The model item passed into the dictionar...
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General Information
Episerver cloud licenses are a license.config file that will live at the root of the Episerver directory and are intended to be used in cloud environments only. Unlike normal licensing where they are tied to either a MAC or IP Address, cloud licenses are not tied to physical asset instead they are licensed to run on X amount of servers with X amount of sites (URLs) that it will serve requests on. The actually amount of servers/sites varies depending on what they buy....
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Description
Azure application logging can greatly reduce the time to diagnose and resolve issues. Below are the steps for accessing those logs for the integration environment.
Resolution
First, ensure that Azure application logging(blob) is enabled. Please note that enabling this will restart the web application, potentially causing downtime.
If you have PaaS Portal account you can retrieve logs there.
Log into the PaaS portal.
Choose the organization and project you are looki...
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Description
We have a couple of cases since upgrading to Epi 11 using the EPiServer.Url or EPiServer.PageReference in a repeatable list caused an exception and no value to be stored. See epi log below:
2018-02-26 14:00:09,403 [1] ERROR EPiServer.DataAccess.Internal.JsonPropertyValueConverter: An exception occurred while converting JSON property Newtonsoft.Json.JsonSerializationException: Error getting value from 'QueryCollection' on 'EPiServer.Url'. ---> System.NullReferenceException: O...
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Description
The <body> is generated 2 times (normally inside <li> tag of <head>) and makes render error.
Resolution
The problem comes from New Relic.
- If the Episerver site is hosted in DXC, please request to install Azure Application Insight instead of New Relic.
- If the site is hosted in IIS like Everweb, please uninstall the New Relic and contact with New Relic support. There may be a released version that fixes the issue. You may consider to use another application to m...
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Description
After uncommenting the web.config file to use Configs\Redirects.config, the website responded with HTTP Error 500.19 error.
Resolution
Root cause: URL Rewrite Module was not installed in IIS. Install it and website is fine.
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Description
I've wondered where to get debug symbols for EpiServer assemblies from. Similar questions on world.episerver.com have been left unanswered for several years and http://symbols.episerver.com/ seems to be not available any more.
Resolution
Unfortunately it's not possible to get debug symbols for EpiServer assemblies anymore.
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Description
Cleared the index and the EPiServer Find Content Indexing job gives the following error:
[OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.]
System.IO.MemoryStream.set_Capacity(Int32 value) +89
System.IO.MemoryStream.EnsureCapacity(Int32 value) +90
System.IO.MemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count) +326
System.IO.BinaryWriter.Write(String value) +396
System.Web.UI.ObjectStateFormatter.SerializeValue(Seriali...
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Description
This article informs customers on the process of submitting a feature request.
Resolution
There are some instances where a customer may want to submit a feature for Episerver product. We recommend going to the link here and making a post.
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Description
Support may request that process monitor be configured with certain filters when attempting to gather more information on an issue. Bellow are the steps taken to create a filter that monitors a particular file and does not show generic success messages.
The exact filters may be different depending on the scenario.
Resolution
Log onto the desired server as an administrator.Download process monitor from Microsoft. https://docs.microsoft.com/en-us/sysinternals/downloa...
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Description
This article discusses useful debugging tools when working with custom development within an Episerver site.
Resolution
Below are some URL commands that can be used and the steps to configure this debug.
/<episerverUI>/Shell/Debug/InitializationModulesLists out all registered registered initialisation modules.
/<episerverUI>/Shell/Debug/MenuLists out the menu items used to construct the top level menu.
/<episerverUI>/Shell/Debug/RoutesLists out all routes in your R...
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Description
This article describes an issue where a production site displays the following errors in the log.
It appears there is a linkitemcollection of the type relatedlinks on some page which throws this error. Why is this error thrown and how is it resolved?
ERROR EPiServer.Global: 1.2.5 Unhandled exception in ASP.NET System.ArgumentException: An item with the same key has already been added. at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) at System.Collecti...
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Description
This article describes an issue where there are a lot of requests to https://dl.episerver.net/version.json which take really long to response.
Resolution
This following blog post should resolve the issue.
http://dmytroduk.com/techblog/customizing-how-statistics-tracking-scripts-are-loaded-on-pages-when-using-episerver-find
The UI is downloaded from dl.episerver.net on the server and cached. This means the application can deliver the resources from cache for perfo...
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Description
Sometimes the website product / search pages throws the following error
The provided content link does not have a value. Parameter name: contentLink
After the website restart it begins to work properly.
Resolution
This was caused by a bug http://world.episerver.com/support/Bug-list/bug/CMS-7806. When the simple address is being processed, the CMS simpleaddress handler is called before the Commerce simple address handler.Please upgrade the solution to latest of CMS ...
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Description
Customers may run into a very common error message during development as shown below:
Resolution
The system could not find the 'Episerver.Forms.Core' assembly file to load. There are some workarounds for this issue:
The dll file may not be in /bin folder. Just copy the dll file to /bin folder or set this preference Copy Local = True from Visual Studio.
If the problem persists, check if the version of the assembly that is referenced is different than the version ...
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Description
Issue with downtime and slow startup after deployment with performance issues triggering auto scaling in DXC environment.
Long running query below identified.
(@PropertyDefinitionID int)SELECT TOP 1tblWorkContent.fkContentID as ContentID,tblWorkContent.pkID AS WorkIDFROMtblWorkContentPropertyINNER JOINdbo.GetExistingScopesForDefinition(@PropertyDefinitionID) as ExistingScopes ON tblWorkContentProperty.ScopeName = ExistingScopes.ScopeNameINNER JOINtblWorkContent ON tblWorkConten...
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DescriptionYou may run into issues upon deployment of an Episerver site where static files (.js, .css, etc.) aren’t loading in View mode, but will render when you are logged into Edit mode.
Since static files will load within Edit mode context, then the logical assumption is that anonymous users do not have the proper permissions.CauseThe cause of this is likely due to permissions issues for anonymous users, in particular with Anonymous Authentication. ResolutionEnsure that Anonymous Authent...
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Description
There is a sorting limitation in the Admin/Config/Edit Categories. This article will provide sample workaround code to sort these categories.
Resolution
EPiServer categories seems to have no built-in sorting when retrieving them as a list when using CategoryList. Each one of the specific categories do have a SortOrder property.
The sample below uses that SortOrder property and the generic SortedList class to sort the categories, like this:
SortedList<int, ListItem> ...
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DescriptionThere is no cause for concern since this is considered by design by the CMS developers.ResolutionScheduled jobs run on UTC time internally so no daylight saving time or shift to standard time is taken into account. What you see in the UI is converted to local time so it may look strange in the UI during daylight savings - or shift to standard time- but should be correct in the DB. Therefore jobs that were previously set before time change should run in time because they go by UTC...
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DescriptionDue to the removal of ContentChannel and related classes starting with CMS 9 (as part of a breaking change), Episerver Publish from Office add-on is not supported in CMS 9 or later.ResolutionAs of writing, there are no plans to release a new version of the add-on. If there are plans to support this add-on in future versions, this KB will be updated accordingly.Related LinksCMS 9 breaking changes noting the ContentChannel change:
http://world.episerver.com/documentation/upgrading/E...
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DescriptionPlease reference the link below for troubleshooting older versions of Episerver (v4 and v5)Resolution/hc/en-us/articles/115004126446-legacy-episerver-faq-s
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DescriptionFor a multi-site/tenant setup, one master language is defined. Could there possibly be more than one master language since you are dealing with multiple sites?
This question comes up from time to time, but support for this is unavailable at the moment.ResolutionUnfortunately, support for multiple master languages for multi-tenant/sites is not available. Forum thread example: http://world.episerver.com/forum/developer-forum/-Episerver-75-CMS/Thread-Container/2016/2/episerver-9-mult...
