Amazon DynamoDB with .Net Framework - ConditionalCheckFailedException - asp.net-mvc

I have a .Net Framework MVC app and I integrated DynamoDB.
When I enter on any page, until the page is fully loaded, I get many DynamoDB errors.
Does anyone know what the issue can be?
I checked a lot (found out that is related to Http Modules) but can not find any reason.
I have AWSSDK.Core (3.3.106.7) and AWSSDK.DynamoDBv2 (3.3.105.29) packages installed.
After some more investigation I find that the error is because some files are missing. Example:
Locating source for 'D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Pipeline\ErrorHandler\HttpErrorResponseExceptionHandler.cs'.
The file 'D:\JenkinsWorkspaces\trebuchet-stage-release\AWSDotNetPublic\sdk\src\Core\Amazon.Runtime\Pipeline\ErrorHandler\HttpErrorResponseExceptionHandler.cs' does not exist
But I don't even have a D:\ partition. Where is this coming from?

You're doing some operation with a condition expression and that condition isn't fulfilled, that's why you're getting a ConditionalCheckFailed exception.
From the docs:
ConditionalCheckFailedException
Message: The conditional request failed.
You specified a condition that evaluated to false. For example, you
might have tried to perform a conditional update on an item, but the
actual value of the attribute did not match the expected value in the
condition.
OK to retry? No
This is all I can tell you based on the amount of details (or lack thereof) you've provided.

Related

Kentico MVC - PageBuilder Error on external Staging site

Am using Kentico MVC v12 Service Pack.
Have enabled Preview feature and PageBuilder in Application_Start.
When running from localhost, can successfully edit relevant pages using PageBuilder as required.
However, when ran from a staging site, which is a clone of the localhost version, I am getting an error in the Site settings when I try to add a Presentation Url (I am definitely adding in a valid format with the starting "https://" included), which is required for the PageBuilder to be used in the Pages application, where I see this error:
An unexpected error occurred, see event log for more details. Event source: PageEdit, Event code PreviewLinkGeneration
Any assistance would be much appreciated.
Thanks.
Sites error
That error is basically only looking at the string of the URL (almost like a simple validation). Are you sure there is no whitespace before the value you entered in? I can re-create your issue if I type in a space character before the URL.
You can also try clearing the field and saving the form. Then re-enter a value.
If it is still not working, try re-signing all your macros in the system as I have seen the regular expression validation rules have issues if macros aren't working. Which is really what this check is:

Umbraco: Restoring content. Could not get parent with Id

I'm working on an Umbraco cloud project. I pulled the website from the git repositories and built it. First thing to do there when you run the site is to restore the content that's in the development environment to the local project so we can create new features. Yet Umbraco fails to do so with the following error:
The source environment has thrown a Umbraco.Deploy.Exceptions.ProcessArtifactException
with message: Process pass #3 failed for artifact
umb://document/xxthexguidxofxsomexpagexxxxxxxxx. It might have been
caused by an inner Umbraco.Deploy.Exceptions.EnvironmentException with
message: Could not get parent with id xxthexxx-guid-xofx-xthe-xxhomepagexx.
The following artifacts might be involved:
umb://document/xxthexxxguidxofxxthexxhomepagexx
The technical details may contain more information.
I've noticed that I some strange errors occur if not everything is deployed in the development site in the cloud. So I made sure everything is published.. Still errors though... I'm kinda lost here.
Has anyone come across simular issues? And how did you fix it?
Thanks in advance?
This can happen for a number of reasons, so it's a bit hard to say what exactly the problem is in your case.
Most of the time this happens due to either a circular reference of some sort causing a state that can't really be restored. For example that could be a datatype having a dependency on a node - but the node doesn't exist in a blank new environment. The content restore then refuses to start until the structural data (datatypes, contenttypes and such) is completely in sync, but the datatypes will never be able to be in sync until the content node exists. It's a sort of catch22 situation that might need to be resolved manually.
I would suggest you contact support through the Cloud portal and they will assist you in getting your problem resolved.

`Unable to load the specified metadata resource` suddenly appears without code changes

PLEASE NOTE: None of the answers in the link above (which I don't seem to be able to remove) helped me. As I explain below, I had already tried all that stuff
I have a web site, developed in VS2013 using ASP.NET MVC5/WebAPI2, which has several related projects such as a service layer, repository layer, etc. Down at the bottom of the stack is a class library that holds an EF model. I have separated the actual entities into another class library, to allow them to be reused without requiring the model library.
All of this has been working fine. The web site was running, and I could make calls to the WebAPI methods as well.
I just uploaded the latest version to the production server, and all is working fine there. Then came back to VS to carry on work, and when I try to run up the web site, I get an exception
Unable to load the specified metadata resource
Searching around, it seems that the cure for this is to modify the connection string to point to the actual assembly name instead of using the default . I have two problems with this, first is that none of the config files in the solution have been touched today (by me at least, and the file history form source control confirms this), so there's no reason why it should suddenly stop working after being deployed, and second, even if I add the assembly name, I get the same exception.
Anyone any ideas what I can do? I'm completely stuffed now. Can't do anything.
Edit: I tried again to specify the assembly in the connection string, and now get the exception Unable to resolve assembly. I have checked the assembly name in a decompiler, and I'm pretty sure got it right.
Edit again: I just pulled the version that I deployed from source control, and that gives the same exception, so I'm sure this is nothing to do with any files I've changed (or even that have been changed by VS). The version on the production server is still working, but the source code that drives that exact same version gives the exception. So, I'm certain that the answer is NOT to be found in the myriad other versions of this question, but is somewhere else.
Found the problem, and am posting it here in the hope that it will help someone else, as I don't think this was clear in any of the other posts on this issue.
I have a layered solution, with the web project referencing a service layer, which references a repository layer which in turn references the model project. It seems to for EF to work, whichever layer actually causes the database to be accessed requires a reference to the model project. My service layer project, which was where ToList() was being called (thus enumerating the query, and causing the database to be hit) didn't have a reference to the model project, so was failing to load the assembly.
I didn't need to alter the metadata part of the connection string either, as once the service layer had a reference to the model project, it was able to find the resources by itself. Having said that, one thing I did learn from all of this is that you can speed up the creation of the model (slightly) by specifying the assembly containing the resources explicitly, as this saves the framework having to search through all loaded assemblies to find them. I'm not sure if this will make any noticeable difference, but it can't harm.
I still can't explain how this had been working up until now, and suddenly stopped, as I hadn't changed any references, nor the way I was doing the data access. Still, it seems to be working now, which is all that matters.
Hope this helps someone.

How to deploy client-side service WSDLs

I have code using the SysOperationFrameworkService, and after a model-deploy or some other set of circumstances, many users get Function SysOperationDataContractInfo::newParameterInfo has been incorrectly called..
It's unable to be resolved with full-compile, sync, full CIL, deleting XPPIL files, deleting AUC/KTI, usage data, security (they're admin), refreshing caches (server &client), etc. and I have a ticket open with Microsoft and they're struggling.
I've narrowed the issue down to when the service group AxClient located in the AOT at \Service Groups\AxClient WSDL files get deployed to C:\Users\[User]\AppData\Local. Either those files existing there, or something happening when those files get deployed is needed.
Any idea how/what causes these files (AxClient.wsdl, etc) to be created? With a user who happens to be "working", I can close the client, delete all the files, open the client, and no files will exist...then I perform a SysOp process and those files get created during that process. With the non-working user, with same security on the same machine does it, the files don't get created.
I have found that the
"Function SysOperationDataContractInfo::newParameterInfo has been incorrectly called" has been throwed because of a possible bug in the kernel when calling the "dictMethod = new DictMethod(UtilElementType::ClassInstanceMethod, dictClass.id(), methodName);" in the SysOperationServiceController.getServiceOperation() method. In my case the new DictMethod was sometimes unable to get the method parameter from a superclass, causing the _parentMethodParameterName check fail in the SysOperationDataContractInfo.newParameterInfo.
So, I solved the issue just by doing an override of the super method where the parameter could not be retrieved and then just calling super(_parameter), then everything went well.
Have you tried axclicfg.exe -> connections -> refresh

Why am I getting the message "The specified request cannot be executed from current Application Pool"?

Quite not sure why I see this error.
I navigate to my Login View like so http://test.staging.com/mywebsite/Login
My Login view was just redone using MVC but I have seen this same error message going to an aspx page as well...
If I use http I get the error message The specified request cannot be executed from current Application Pool.
If I use https://test.staging.com/mywebsite/Login, I'm good.
If I don't specify a protocol, test.staging.com/mywebsite/Login, I get the error as well
Is there an error happening under the covers and my custom error page can't be shown like discussed here?
What are some other causes of this error?
That usually means your custom errors are configured to run as a different AppPool.
You can read more at MSDN. (See section "Using Custom Errors from Another Application Pool").
There are two ways to correct this behavior. The first is possibly not one that you are interested in because it would require you to change your current architecture and run both sites in the same application pool (such as share the same worker process memory space). To do this, simply move the /errors virtual directory to run in the same application pool as the site for which it serves the custom error.
The second way is to make use of a registry key provided by IIS 6.0. This registry key makes sure IIS 6.0 does not check the metadata during the execution of the custom error and therefore allowing this to work.
See the article for information on the registry key fix.
It may also mean that you are using something along the lines of Server.Transfer to a page that is in a different AppPool.
It could be because you're using different versions of ASP.NET for one or many apps in the pool.
Make sure all apps in the pool use the same version of ASP (e.g. ASP 2.0.50727)
If you just added a new app, try changing the app momentarily to a different version of ASP, then back to same version. I experienced an issue where the displayed version was correct, but under the hood, a different version was used!
Check your event log, under Application, to get more details about the error.
The message would be caused by your page server-side redirecting to a page served by another application pool. Such as for example, in your link, the error page.
I know this is an old thread, but I stumbled upon it and found a different solution. Here's what worked for me: Make sure your application handles .asmx files correctly
From IIS:
Right Click on your project > Properties > Configuration
If necessary, add the .asmx file extension that maps to the aspnet_isapi.dll
Limit to: "GET,HEAD,POST,DEBUG" and restart.
Because I can't comment on vcsjones's answer, I'll add it down here. The DWORD value IgnoreAppPoolForCustomErrors needs to be set under HKLM\SYSTEM\CurrentControlSet\Services\W3SVC\ Parameters vs HKLM\SYSTEM\CurrentControlSet\Services\W3SVC referenced in that technet article. Set it to 1 and do an iisreset and you're good to go.
Source Blog Post
In my particular case, I received this error while trying to serve a content (non ASP.NET) website while it was an Application. Right-Clicking the virtual folder and removing the application fixed it for me.
In my case the application used the application pool that didn't exist. I have no idea how it's happened.

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