I would like a recommendation on how to instrument each pipeline call using Elastic APM API on Intershop 7.10.
I want to to create a separate span as described here:
https://www.elastic.co/guide/en/apm/agent/java/master/public-api.html#api-span-start-span
(Using try catch block with parent.startSpan())
For now I have tried looking into ICM knowledge base for topics regarding ELK stack (found none) and looked in Component Framework section on how to inject some code around PipelineProcessorImpl.executePipeline or put another pipeline processor implementation through component framewowrk but couldn't find nothing, it seems for now that pipeline processor implementation are not hooked through Component Framework.
General answer is, you should not bother replacing PipelineProcessor with your own implementation. Even for such a seemingly small task of feeding your own monitoring solution.
I (may) have a better solution for you. Haven't tested it though. Have a look at the detailed answer to this intershop question: Adding a servlet to run in Intershop 7.4 application server context
You don't want to add a new servlet but you want to bind a new javax.servlet.Filter implementation that hooks into the Application Server request chain. You can do that the same way as described, but invoke method filter("/servlet/Beehive/*") instead of serve("/servlet/DEMO/*")
Related
Context:
Upgrading an existing aspnet application from core 3.1 to dotnet 6.0.
Issue:
We have registered a IActionInvokerProvider in our web app. This simply adds some information to the context route data.
We also use UseStatusCodePagesWithReExecute
app.UseStatusCodePagesWithReExecute("/somecontroller", "?statusCode={0}");
According to the documentation https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.abstractions.iactioninvoker?view=aspnetcore-3.1
An IActionInvoker is created for each request the MVC handles by querying the set of IActionInvokerProvider instances. See IActionInvokerProvider for more information.
When running this in netcoreapp3.1 when we return a NotFound() I can observe that 2 calls are made to our action provider OnProvidersExecuting. One for the request to the resource and one for a call expected UseStatusCodePagesWithReExecute to /somecontroller.
When targeting net6.0 and changing no other code this second call to /somecontroller does not get called only the first . If I call the endpoint /somecontroller?statusCode=404 I it does trigger the invoker. I cannot find a reference to a breaking change anywhere. perhaps I missed it.
Does anyone know what the casue might be?
I have tried altering the ordering of the pipeline.
Tried to repro it in https://github.com/csi-lund/core31tonet6issue
In the version the Action provider never gets called at all
The answer was a missed breaking change and documentation.
https://github.com/dotnet/aspnetcore/issues/45589
We skip the IActionInvoker by default as an optimization for
controllers and pages. This is a really heavyweight way to add route
data to the pipeline. You can set EnableActionInvokers to true to
enable this behavior.
builder.Services.AddControllers(o => {
o.EnableActionInvokers = true; }); In your sample it would be AddMvc (since you're using that).
No change in behaviour without documentation to indicate. (There might
be might have missed it)
Yes, it seems like we missed this one. I'll make sure it gets
documented.
PR: #27773 https://github.com/dotnet/aspnetcore/pull/27773
I have a WebAPI .NET Framework 4.8 application which needs to make a RESTful GET request to another, third-party web service using a specific cipher. I found a code sample using the CurlThin NuGet packages in a response to this question, and then perused the little documentation on CurlThin I could find, along with taking a peek at the open source library code on GitHub. All examples and documentation talk about the need for an initial call to
CurlResources.Init();
This call only needs to be made a single time at the initialization stage to copy the appropriate DLLs to the application output folder.
I placed this call in my web app's Application_Start method, but cannot get past a NullReferenceException:
I fully expect that I am overlooking something simple that's been staring back at me for hours. Any guidance would be much appreciated.
I'm following this example for a queued hosted service to add this to an ASP.NET Core application, and it's not clear to me where StartMonitorLoop should be called. I ended up modifying it to be EnsureMonitorLoop, added a check so that it's the call to Task.Run is only made once, added a MonitorLoop parameter to constructor for my API controller, and called EnsureMonitorLoop from there. It smells kind of funny to me that the API controller constructor should be kicking off monitoring the queue. The example Program.cs seems is very different from the one generated for me by Visual Studio. Mine uses the WebHost.CreateDefaultBuilder(args).UseStartup<Startup> approach. That is where they call StartMonitorLoop.
Where is the correct place to call StartMonitorLoop, and why? Thanks!
The docs aren't super clear here, but MonitorLoop is not actually part of this. It's an example service for use in a console app, simply to demonstrate how the queued background worker works. You can take some inspiration from this class for your app, but the concept of StartMonitorLoop doesn't apply to ASP.NET Core at all.
Just to be a bit more clear: in actual practice you would inject IBackgroundTaskQueue into a controller class, for example, and then add some task to that, just like MonitorLoop does (without all the key input jazz). You wouldn't actually have MonitorLoop or anything like it though.
I am looking for a way to interact with OptaPlanner directly from the command line interface (CLI) without having to use the graphical user interface (GUI).
More specifically, I am looking to pass an XML file to the Employee Rostering function, and to get the solved XML back. Ultimately, I am looking to interact with OctaPlanner from my PHP application.
Any documentation for this?
Here is some what of an example of what I which to achieve:
http://www.c0940097.ferozo.com/applying-optaplanner-to-everyday-problems/
The UI is only for the examples. Take a look at CloudBalancingHelloWorld.java which solves without a UI.
Or, if you're looking for a more enterprise approach, use OptaPlanner Execution Server (also ASL), which exposes everything as REST api's.
I need to be able to perform all of the available functions that the Package Manager Console performs for code first DB migrations. Does anyone know how I could accomplish these commands strictly through user defined code? I am trying to automate this whole migration process and my team has hit the dreaded issue of getting the migrations out of sync due to the number of developers on this project. I want to write a project that the developer can interact with that will create and if need be rescaffold their migrations for them automatically.
PM is invoking through PowerShell and PS cmdlets (like for active directory etc.)
http://docs.nuget.org/docs/reference/package-manager-console-powershell-reference
The Package Manager Console is a PowerShell console within Visual
Studio
...there is essentially very little info about this - I've tried that before on couple occasions and it gets down to doing some 'dirty work' if you really need it (not really sure, it might not be that difficult - providing you have some PS experience)
Here are similar questions / answers - working out the PS comdlets is pretty involving - in this case it has some additional steps involved. And PS tends to get very version dependent - so you need to check this for the specific EF/CF you're using.
Run entityframework cmdlets from my code
Possible to add migration using EF DbMigrator
And you may want to look at the source code for EF that does Add-Migration
(correction: this is the link to official repository - thanks to #Brice for that)
http://entityframework.codeplex.com/SourceControl/changeset/view/f986cb32d0a3#src/EntityFramework.PowerShell/Migrations/AddMigrationCommand.cs
http://entityframework.codeplex.com/SourceControl/BrowseLatest
(PM errors also suggest the origins of the code doing the Add-Migrations to be the 'System.Data.Entity.Migrations.Design.ToolingFacade')
If you need 'just' an Update - you could try using the DbMigrator.Update (this guy gave it a try http://joshmouch.wordpress.com/2012/04/22/entity-framework-code-first-migrations-executing-migrations-using-code-not-powershell-commands/) - but I'm not sure how relevant is that to you, I doubt it.
The scaffolding is the real problem (Add-Migration) which to my knowledge isn't accessible from C# directly via EF/CF framework.
Note: - based on the code in (http://entityframework.codeplex.com/SourceControl/changeset/view/f986cb32d0a3#src/EntityFramework.PowerShell/Migrations/AddMigrationCommand.cs) - and as the EF guru mentioned himself - that part of the code is calling into the System.Data.Entity.Migrations.Design library - which does most of the stuff. If it's possible to reference that one and actually repeat what AddMigrationCommand is doing - then there might not be a need for PowerShell at all. But I'm suspecting it's not that straight-forward, with possible 'internal' calls invisible to outside callers etc.
At least as of this post, you can directly access the System.Data.Entity.Migrations.Design.MigrationScaffolder class and directly call the Scaffold() methods on it, which will return you an object that contains the contents of the "regular" .cs file, the "Designer.cs" file and the .resx file.
What you do with those files is up to you!
Personally, I'm attempting to turn this into a tool that will be able to create EF6 migrations on a new ASPNET5/DNX project, which is not supported by the powershell commands.