Youve been successfully subscribed to our newsletter! Sure thing, thank you for the quick response. Monolithic v/s Microservices Jobs get stuck in "Enqueued" state after some days of server uptime. Although the default installation uses SQL Server and polling technique to fetch jobs, you can leverage MSMQ or Redis extensions to reduce the processing latency to minimum. Im pretty new to using Hangfire so Im not sure what options are available to diagnose this issue. Hangfire.Dashboard.Authorization 2.0.0 The text was updated successfully, but these errors were encountered: Also having the same issue. <. Not the answer you're looking for? Please create an issue in the repository which provides the PostgresSql job storage extension as it's written and maintained by different people. rev2023.1.18.43176. The problem still exist. Please also send me your configuration code related to Hangfire and the output of the INFO command issued to Redis to also understand your Redis configuration. Inheritance Hierarchy System. Save my name, email, and website in this browser for the next time I comment. The following versions are installed: Hangfire.Core 1.7.6 Hangfire jobs get stuck in Queues and never get processed when deployed in Local IIS Ask Question Asked 8 years, 1 month ago Modified 9 months ago Viewed 5k times 0 I am having a weird issue here. I don't know why. Oh, Hangfire.Redis.StackExchange and Hangfire.Pro.Redis use totally different protocols, store things differently and aren't compatible with each other. 1) Change the job state to deleted: UPDATE Hangfire.Job SET StateName = 'Deleted' WHERE JSON_VALUE (InvocationData, '$.type') LIKE 'Your.Job.Type.Here%' AND CreatedAt > '2019-07-01 00:00' AND CreatedAt < '2019-07-01 23:59' AND StateName = 'Enqueued' From dashboard UI you will be able to see scheduled jobs & monitor the status of jobs. It is worth noting the server we stop/start after 10 days is not the server that actually calls BackgroundProcess.Enqueue, please see details below along with a simple diagram of what is going on. July 19, 2021. Hi we are experiencing an odd issue with the running of jobs. Then all of a sudden jobs are en-queued and not picked up for processing. Noticed that every few days my jobs wont run, no failures are shown in the job log, they just dont run. services.AddHangfire(config => { config.UseStorage( new MySqlStorage("***connection string***", new MySqlStorageOptions { PrepareSchemaIfNecessary = false })); }); app.UseHangfireServer( new BackgroundJobServerOptions { WorkerCount = 1 }); { "@t": "2021-03-29T12:56:43.0892847Z", "@mt": "{State:l}", "@r": [ "Error occurred during execution of 'Worker #8a90b7c0' process. I see you are using MySql as a job storage which is a community-based extension. Probably the same issue with SQL Server here. Connect and share knowledge within a single location that is structured and easy to search. Hangfire supports all the major logging frameworks and will log the complete job execution information to the logging destination configured for the application. Same error, using Hangfire version 1.7.11 on Linux, .NET Core 2.2.403. SELECT, INSERT, UPDATE, DELETE on the Hangfire schema in the application database. Python Tutorial It seems like it is fetching the job and enqueuing the job but Why then the job is moved to Failed queue if processing of job is failed. app.UseHangfireServer(new BackgroundJobServerOptions() { Queues = new[] { "emails_queue" }, WorkerCount = 20 }); I'm closing and locking this issue now, because almost any kind of problem in background processing will lead to the symptom "Jobs are enqueued but not processing", and more specified details required. rights reserved If you want to prioritize your jobs, or split the processing across your servers (some processes for the archive queue, others for the images queue, etc), you can tell Hangfire about your decisions. ASP.NET Core 5 Ill open an issue to investigate this. Hangfire's UI is itself protected by an API key (a GUID which you define) and accessible from /hangfire if you have the API key. Jobs got enqueued but never picked up to be processed. Add class Services/DummyEmailService that will implement interface IEmailService & will contain an implementation of SendEmail method to writing to console window. Also try to include the DEBUG log level - I see there's "Execution DelayedJobScheduler recovered from the Faulted state" message, and there also should be prior messages with DEBUG level with exact exception. Fire-and-forget jobs are executed only once and almost immediately after creation. To place a job into a different queue, use the QueueAttribute class on your method: Hangfire.AspNetCore 1.7.7 ASP.NET Core Security .NET 6 Using Hangfire.AspNetCore 1.7.10 and Hangfire.SqlServer 1.7.10. .NET Core Middleware Connect and share knowledge within a single location that is structured and easy to search. Microservices Cloud Storage Are you redis Or sql?? If its production environment and clients are waiting for enqueued job, you can try restart server and it might start processing the jobs but issue still has to be fixed. ***> wrote: Compare that to the ScheduledState handler, which sets a timestamp on a custom scheduled metadata key in storage that indicates when the job should be enqueued. Problem After 10 days of leaving our webserver running (no restarts), enqueued jobs no longer process. Idea is to unblock the user screen as soon as possible for requests which are going to take a long time to complete so that the user is able to perform other tasks. Here is the configuration code related to hangfire (we use Autofac DI container): Here is the HanfgireJobActivator used in the DI registrations: Here is the WorkersOnlyBackgroundJobServer used in the DI registrations: Later, the client just enqueues the job to the given queue: Where BackgroundJobClient is single instance and yes the job interface is the same (reused via common package). Finally select .NET Core Framework as ASP.NET Core 5.0, application type as ASP.NET Core Web API, Enable OpenAPI Support for testing purpose & click on Create button as shown below, This will create the project and load the same in Visual Studio 2019 as shown in below screenshot. Continuation allows you to define a workflow i.e. To add DummyEmailService to the container add the following line of code in Method ConfigureServices in Startup.cs file. I am using Postal, so EmailService is not my implementation. Hangfire An easy way to perform background processing in .NET and .NET Core applications. Jobs are en-queued but it's not processing, https://user-images.githubusercontent.com/3822009/83284813-7b117a80-a19a-11ea-92f5-b4ab35b5fe81.png, https://github.com/notifications/unsubscribe-auth/AES6XSMQEWVO7BWFFF63GNLRT7R6JANCNFSM4FITZ2UQ. @meriturva what package for memory storage you are using? Recurring jobs fire many times on the specified CRON schedule. I had saved the logs back then, when I knew for sure that the process had stalled in the same hour. Restarting does not work, we must do a stop then start. No Windows Service or separate process required. This is where Hangfire can be used. Storing the information of the jobs ensures that jobs are executed as per defined types & also jobs are retried if any exception occurs during the execution of the job. Background jobs are regular static or instance .NET methods with regular arguments no base class or interface implementation required. As the name suggests these jobs are executed after some delay. UPDATE No Windows Service or separate process required. Concurrency Limiters Mutexes - allow only a single background job to be running concurrently. With a maximum of 20. Never email yourself a file again! "State": "Error occurred during execution of 'Worker #8a90b7c0' process. @minajevs this can happen due to background jobs themselves. Execution will be retried (attempt #23) in 00:05:00 seconds. wait time is configurable and is queued upon creation. Any support would be highly appreciated @odinserj. Is it possible to run the following command (where default is the queue name and hangfire: is the configured prefix)? We are having the same issue with Hangfire. Easy to set up, easy to use. Have attached screen shots of server and jobs. all the jobs within a batch have completed then the continuation background job will fire. Will all turbine blades stop moving in the event of a emergency shutdown. Already on GitHub? IIS Logs AddHangfireServer This adds Hangfire Server to the dependency injection container which will be used to configure and run jobs. The Server does not depend on ASP.NET and can be started anywhere, from a console application to Microsoft Azure Worker Role. Can you take a look in the hangfire dashboard to see if there is anything useful? Ps: when hangfire was blocked dashboard works correctly but shows all jobs queued, server count is corrected also, and no running job. Everything works perfectly all other times. How would I go about explaining the science of a world where everything is made of fabrics and craft supplies? // Create an instance of Hangfire Server and start it. Object Oriented Concepts Asking for help, clarification, or responding to other answers. I'm having this issue, some jobs are not processing and have days in the queue, and these jobs last at least 15 seconds to complete. Retries Jobs list which have been retried due to some failure during previous execution. Debug ASP.NET Errors some internal construction detail of the EmailService type. We recently migrated to a linux VM in azure and since then sporadically it freezes, even after a job successfully finished, the queue does not continue. Built-in web interface allow you to see the whole picture of your background processing, as well as observe the state of each background job. https://discuss.hangfire.io/t/jobs-in-enqueue-state-most-never-run/2367/4. ASP.NET Core Identity Schedule Method (Expression < Action >, TimeSpan) Creates a new background job based on a specified static method call expression and schedules it to be enqueued after a given delay. Hangfire version: 1.7.11. Restarting the windows service (which runs the Hangfire service) fixes the issue for a while, even a couple days. Hangfire can process multiple queues. I was using 2005. We use Hangfire at Assetbots to manage and coordinate all our background processing and event handling. Python Data Types I wanted to know if we have known issues list of hangfire which says that prefix names whould have hypens, Submitted what is hopefully a fix for issues with dashes in schema name: #1531, We are having the same issue with Hangfire. You should see the below screen from swagger after building & running the application from visual studio. How does the number of copies affect the diamond distance? Currently using SQL Server on Windows Server 2019. An easy way to perform background processing in .NET and .NET Core applications. Thanks for contributing an answer to Stack Overflow! @chris, I have tried to do aclean and a rebuild nothing.. Each filter can operate on and change the job's behavior at that point in the pipeline. Without seeing your Hangfire configuration Do you have app.UseHangfireServer(); anywhere? Most jobs are stuck in the enqueued state or fail to transition to successful state upon work completion. Sergey, I currently have the same problem, although Hangfire user to work succressfully for 2 years and without any problems. Do peer-reviewers ignore details in complicated mathematical computations and theorems? In order for Hangfire dashboard to display the job being enqueued the enqueue call needs to be _hangfireServer.Enqueue<ISomeWorkerInterface> (x => x.Process (someIdentifier)); as opposed to _hangfireServer.Enqueue ( () => _someWorkerInterface.Process (someIdentifier)); Hangfire.BackgroundJob.Enqueue is used to create the Fire-and-Forget background task. To learn more, see our tips on writing great answers. No log error at all! But there's a problem. Please use Hangfire Forum for long questions or questions with source code. Try to collect some logging messages they should show the exception and its stack trace. Enqueued jobs are handled by a dedicated pool of worker threads. IIS 8.5 Hangfire in ASP.NET Core even supports persistent storage like Microsoft SQL Server, Redis (as part of Hangfire Pro), etc. Encapsulation What does "you better" mean in this context of conversation? I m using hangfire with redis. Batch continuation is fired when all background jobs in a parent batch finished. We saw the use of background jobs in our application but if we have to build a framework for background jobs creation & monitoring then it would be a complicated task that might require lots of effort. If you are using redis, is it cluster mode enabled?? Continuations will be enqueued immediately. App has been upgraded to core 3.1. Hangfire takes regular classes and regular methods to perform them in the background, because it is simple: BackgroundJob.Enqueue( () => Console.WriteLine("Hi!")); This snippet says that the Console.WriteLine method will be called in background. Background method calls and their arguments are serialized and may overcome the process boundaries. He'll say he knows nothing about any tire iron. Open and free for commercial use. Would you please let me know what am I missing. I am thinking, over the weekend traffic almost comes to a stand still and perhaps pool recycles and hangfire cant recover? No Windows Service, no Windows Scheduler, no separate applications required. In the startup.cs I have written this: UPDATE 2 Another core feature of Hangfire's architecture is the chain-of-responsibility pipeline. My guess is that is has something to do with either. The UI was still working, the jobs were just stuck in the enqueued state. Haven't had to restart the server in a week. Trying to match up a new seat for my bicycle and having difficulty finding one that will work. I wonder if anyone else has found a better workaround, or even a fix? C# .NET We use single Redis instance (no cluster). This is possible as job information is stored on a database that can be shared between different servers/applications. Rather, when a job is enqueued, a queue name such as fast can (optionally) be specified. I was using 2005. Hangfire.AspNetCore v1.6.29 I identified an issue that would cause the hangfire jobs to hang like this if one of the git syncs hangs. .NET C# Just an update, we migrated our code base over to core 3.1 as well as the app service runtime and this issue has not occurred since. This creates a higher demand for all kinds of services. This article covers detail about how to integrate Hangfire in ASP.NET Core applications which is an easy way to schedule background jobs in .NET Core and .NET based applications. After stopping the server and then starting up again newly queued jobs process fine. Security I am showing 294 enqueued, and 40 processing. Most of them seem to be git sync. Azure Storage For the implementation of Hangfire in ASP.NET Core lets create a new ASP.NET Core Web API project in which we implement Hangfire. rather than instantiating a new EmailService, you passed one into the containing class as an already instantiated dependency, and also. You are correct in the diagram I have shown 2 applications but in implementation, I have merged them into a single project. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Servers All the Hangfire servers which have been added to the dependency injection container can be seen. Hangfire uses workers to handle the tasks, you define the number of workers you want and they share the queue, running the tasks on a first come first serve basis. This may be caused by user code that throws the ThreadAbortException or by something more serious. Open and free for commercial use. Job storage is the central piece in Hangfire, and bugs in it will cause bugs everywhere in Hangfire. How to pass duration to lilypond function. There are a lot of reasons for blocking, and it's very important to avoid using a single GitHub issue for them. to your account. Required fields are marked *. By clicking Sign up for GitHub, you agree to our terms of service and Making statements based on opinion; back them up with references or personal experience. privacy statement. Background jobs or tasks allow the programmers to execute code on a different thread but scheduling & monitoring background jobs is a difficult task to achieve. I hope you liked this article, let me know your feedback in the comments section below, Source code download link for implementation of Hangfire in ASP.NET Core, Sample code for Hangfire in ASP.NET Core https://github.com/procodeguide/ProCodeGuide.Samples.Hangfire 2 forks. The frequency of these jobs can be configured which can vary from milliseconds to years. Hangfire.RecurringJob.AddOrUpdate is used to create the recurring background task. Join C View more Poisson regression with constraint on the coefficients of two variables be the same, Comprehensive Functional-Group-Priority Table for IUPAC Nomenclature. You can safely restart your application and use Hangfire with ASP.NET without worrying about application pool recycles. Have a question about this project? Though the user has been unblocked before the completion of long-running activities completion of these activities is also important as those are part of request business logic. 'I cannot debug the NotifyRegistration method. The only security provided by Hangfire in ASP.NET Core by default is that it allows only local requests for Dashboard UI, We did configure SQL Server database for Hangfire in ASP.NET Core as part of the Hangfire configuration in the startup (AddHangfire). Python Programming If I try to manually run a job in this state it sits in the Queued status and never runs. odinserj closed this as completed on Oct 29, 2021 HangfireIO locked and limited conversation to collaborators on Oct 29, 2021 ], "@l": "Error", "@x": "MySqlConnector.MySqlException (0x80004005): The Command Timeout expired before the operation completed. We used to be on Windows App Service and no issues. So, we can talk about graceful shutdown only after waiting for all the components. It might not prevent the git sync from hanging but it will fix the issue where the jobs stop running and you have like 40 git syncs happening. Namespace: Hangfire Assembly: Hangfire.Core (in Hangfire.Core.dll) Version: 1.5.0.0 Syntax C# VB Copy How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow, DefaultInlineConstraintResolver Error in WebAPI 2, Hangfire 1.3.4 - deleted jobs stuck in queue, Hangfire - Recurring job with specified queue name, Use multiple instance of hangfire with single database. If you are using redis, is it cluster mode enabled?? Unit Testing using XUnit, Hangfire in ASP.NET Core Easy way to Schedule Background Jobs. Find centralized, trusted content and collaborate around the technologies you use most. Microsoft Azure Object Hangfire.BackgroundJob Namespace: Hangfire Assembly: Hangfire.Core (in Hangfire.Core.dll) Version: 1.5.0.0 Syntax C# VB Copy public class BackgroundJob Methods Top Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Using PostgreSQL, but before Memory and both have the same issues, I wouldn't say its DB related. to your account. i.e. Supported database is 2008R2 and later: http://docs.hangfire.io/en/latest/configuration/using-sql-server.html The method NotifyRegistration must be static: https://discuss.hangfire.io/t/jobs-in-enqueue-state-most-never-run/2367/4 . Math.Min (Environment.ProcessorCount * 5, 20); That's why hangfire job is enqueued is a field with so many career opportunities. IIS turnitoff_onagain February 22, 2022, 3:27pm #3 I am showing 294 enqueued, and 40 processing. Out of the box support for popular logging frameworks allows you to catch errors early with zero configuration. Now lets add a new API controller i.e. Delay is used only when there are no more background jobs to be enqueued. Should I re-enable the git sync before getting a memory dump? Well occasionally send you account related emails. Here's the output of running stdump on the server process: @sethsteenken, thanks for the stack trace. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Job storage access is fully abstracted and you can implement the support for your favorite storage. We can see from above screen that all jobs were triggered as per their execution pattern. Odd that it says 0 jobs succeeded. Packages Hangfire.Throttling Limited storage support I need to understand what happens it's either publish event is not recognised or queue doesn't contain the background job identifier. Granting the following to the database user the web application was connecting with addressed the issue: Found an answerI posted to the same topic I created in Hangfire forum: http://discuss.hangfire.io/t/hangfire-does-not-process-jobs-when-deployed-in-iis-7-5/386/2. - CareHealthJobs. The Hangfire Server uses multiple threads to perform background jobs. When I was running the app with IIS Express, the queued jobs successfully get processed after queued. To demonstrate different types of jobs in Hangfire in ASP.NET Core first lets create a dummy service i.e. I am hoping I dont need a background processor to stop and start hangfire. .NET Core Hosting Hangfire Ace packages are available under paid subscriptions. Another core feature of Hangfires architecture is the chain-of-responsibility pipeline. Backed by persistent storage. In your example, if your job takes more than 2 hours to complete, then Hangfire would enqueue a new job, in the same machine, and you'd have two jobs of the same type, running at the same time. Your answer only prevents a job to be executed in a machine other than the one where it has been queued, but it doesn't prevent reentrancy. We got the same problem using Hangfire 1.7.11 and Hangfire Pro 2.2.2 on Ubuntu 1804 with .NET Core 3.1.301. Job filters allow you to add custom features to the background processing in a way similar to ASP.NET MVC action filters. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. you can configure multiple (parent-continuation job) background jobs that can be linked together based on completion of a parent job. After that enter name for the project\solution as ProCodeGuide.Samples.Hangfire, provide a path of the project where it will be saved on the local disk & click on create button as shown below, 5. Serilog To prevent a stress load on a job storage, the configurable delay is used between scheduler runs. In our case the problem was that we updated Hangfire.SqlServer.dll to version 1.6.21 from version 1.6.6.0, but Hangfire.Core.dll remained of version 1.6.6.0. I checked the client that enqueues the jobs now and figured it out where the problem is:
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