Here are for example two enqueued jobs in the dashboard: and I can see them in the Redis storage with the proper *queue key: and here is an example, that the jobs get processed as soon as I click on the Requeue button (at this point both pending jobs were processed, although I clicked Requeue on just one of the pending one): Will send you next, during the day, the configuration code related to Hangfire. You can divide the relevant code into different projects if required, Your email address will not be published. If it returns an empty list then it's either key name is misspelled or background job identifier is not in the queue. ASP.NET Core Unit Testing Ive checked the db and I am able to connect to it and the Hangfire.Job table does show my job. How many grandchildren does Joe Biden have? Another great thing that Hangfire provides is a Dashboard where you can monitor the whole activity in the Hangfire Server, such as, Enqueued Jobs, Processing Jobs, Retries, etc. This will help candidates to easily find suitable jobs near their placement, reduce the unnecessary costs when they get to find the occupation. .NET C# When hangfire starts it looks for the required schema in the database if that does not exist then it will create the same as shown below. Making statements based on opinion; back them up with references or personal experience. Implementation Implementing Hangfire proved to be easy. I am also having the same problem, I already change to hangfire.storage.mysql. This delay i.e. Required fields are marked *. Jobs get stuck in "Enqueued" state after some days of server uptime. Changing the connector to this one https://github.com/MiloszKrajewski/Hangfire.Storage.MySql seems to have fixed my issue. For ASP.NET Core, define the queues array with services.AddHangfireServer in Startup.cs: Please use Hangfire Forum for long questions or questions with source code. Finally, I have modified the code in the SendMail action method in EmailController as shown below to demonstrate the execution pattern for each type of background job available in Hangfire in ASP.NET Core. to your account. The Hangfire Server uses multiple threads to perform background jobs. To begin processing multiple queues, you need to update your BackgroundJobServer configuration. I'll try it whenever I'll have time to. We have no idea how to troubleshoot as we don't find anything in logs. https://discuss.hangfire.io/t/jobs-in-enqueue-state-most-never-run/2367/4. Running on .net core 3.0 Fire-and-Forget Jobs Fire-and-forget jobs are executed only once and almost immediately after creation. privacy statement. the second job should execute provided that the first/parent job has executed correctly. 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. Hangfire.MySqlStorage v2.0.3. Is it realistic for an actor to act in four movies in six months? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 5 stars. msmq, queues marcselman June 8, 2015, 9:33pm #1 Hi, I just setup MSMQ using a private queue (private$\hangfire-default). When using Hangfire.Pro.Redis package, array index is important and queues with a lower index will be processed first. Hangfire database is used to for storing jobs information. I have a simple MVC5 application + Hangfire 1.2.0. We can see from above screen that all jobs were triggered as per their execution pattern. I have a MVC application and I am trying to send an email using Hangfire and Postal. Now that all the required NuGet packages for Hangfire has been installed we will not configure Hangfire in Startup.cs file. I don't know why. Hangfire.AspNetCore 1.7.7 Save my name, email, and website in this browser for the next time I comment. Provides static methods for creating fire-and-forget, delayed jobs and continuations as well as re-queue and delete existing background jobs. ASP.NET Errors When the latter finish its work (you can see this in Dashboard - your SQL Server queues will be removed), you can remove it safely. Scheduled jobs enqueued but not processing question queues aFamilyOfTrees March 8, 2021, 5:14pm #1 I have a job that I scheduled to run yesterday and when I check the queue today I see that it is enqueued but not processing. Namespace: Hangfire Assembly: Hangfire.Core (in Hangfire.Core.dll) Version: 1.5.0.0 Syntax C# VB Copy The problem still exist. Have attached screen shots of server and jobs. This can be used for jobs that can be run outside the peak load window. As the name suggests these jobs are executed after some delay. The career list is updated regularly to ensure latest healthcare jobs recruitment can be shown up on site, creating more choices for our users, 2023 carehealthjobs.com. I am hoping I dont need a background processor to stop and start hangfire. Trying to match up a new seat for my bicycle and having difficulty finding one that will work. 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. Hangfire Quick Start BackgroundJob.Enqueue ( () => Console.WriteLine ("Fire-and-forget")); Hangfire HostingEnvironment.QueueBackgroundWorkItem ( here) void I do get errors in the console from time to time where git sync fails, but when I check in the settings the most recent git sync looks correct for the last time I saved something. I currently have queued jobs that are not getting picked up. The only workaround for it that I've found is to completely restart the dotnet process every 8 hours or so, which is a real PITA. Happened again yesterday. Asking for help, clarification, or responding to other answers. Job filters allow you to add custom features to the background processing in a way similar to ASP.NET MVC action filters. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Hangfire v1.7.11 Job storage is the central piece in Hangfire, and bugs in it will cause bugs everywhere in Hangfire. At first I had some access problems but when adding the ApplicationPoolIdentity (IIS APPPOOL\ {application pool name}) with full access that was solved. They simply sit in the queued jobs tab. Already on GitHub? ***> wrote: 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. You should see the below screen from swagger after building & running the application from visual studio. Background checks for UK/US government research jobs, and mental health difficulties. Thanks and sorry in advance for wasting your time if that was the cause, @odinserj ! Continuations will be enqueued immediately. It looks like background server is not firing the job at all. Delayed jobs are executed only once too, but not immediately, after a certain time interval. IIS If you are using redis, is it cluster mode enabled?? Sergey, I currently have the same problem, although Hangfire user to work succressfully for 2 years and without any problems. IIS Logs These are scheduled jobs normally executed multiple times on every defined interval. Here's the output of running stdump on the server process: @sethsteenken, thanks for the stack trace. Never email yourself a file again! Well well, so the army taught him how to kill with a rope. The link continuation job fires when the parent batch of jobs have completed i.e. SELECT, INSERT, UPDATE, DELETE on the Hangfire schema in the application database. I also tried scheduling another job to see if that gets processed, but it exhibits the same behavior of getting enqueued but not getting processed. I don't know why' maybe you are running an older state of the file? Do peer-reviewers ignore details in complicated mathematical computations and theorems? Probably the same issue with SQL Server here. This one in particular caught my eye because it's apparently fixing some deadlocks. .NET Core 6 AddHangfire This adds Hangfire in ASP.NET Core to the dependency injection container and takes an Action delegate using which we have set the connection string for SQL Server database to use SQL Server database as the storage for Hangfire Implementation. Join C View more Now register this service in the application dependency injection container so that it can be injected into the controller. Hangfire can process multiple queues. Call out LIE here and present the BLOODY TIRE IRON. You can use Hangfire on different machines to get more processing power with no configuration synchronization is performed automatically. In fact, he'll even say that he drives a Chrysler Airflow . All 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. 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. 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. They will now time out and be released back to the pool so other jobs can continue. Here's the output of running stdump on the server process: EIDT: it's strange, if I click on the requeue button, the job will be processed, but all future enqueue jobs are pending again in this state. Using a Counter to Select Range, Delete, and Shift Row Up, Strange fan/light switch wiring - what in the world am I looking at. 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. 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. This allows you to execute background jobs concurrently. The following process is invoked by each worker: Fetch next job and hide it from other workers. No error on logs, just stop executing enqueue jobs (also recurring jobs) two times in 10 days. Please share any input you have so far. Hangfire Server part is responsible for background job processing. Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. ---> MySqlConnector.MySqlException (0x80004005): The Command Timeout expired before the operation completed.\n at MySqlConnector.Protocol.Serialization.BufferedByteReader.ReadBytesAsync(IByteHandler byteHandler, ArraySegment1 buffer, Int32 totalBytesToRead, IOBehavior ioBehavior) in //src/MySqlConnector/Protocol/Serialization/BufferedByteReader.cs:line 36\n at MySqlConnector.Protocol.Serialization.ProtocolUtility.ReadPacketAsync(BufferedByteReader bufferedByteReader, IByteHandler byteHandler, Func1 getNextSequenceNumber, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in /_/src/MySqlConnector/Protocol/Serialization/ProtocolUtility.cs:line 408\n at MySqlConnector.Protocol.Serialization.ProtocolUtility.DoReadPayloadAsync(BufferedByteReader bufferedByteReader, IByteHandler byteHandler, Func1 getNextSequenceNumber, ArraySegmentHolder1 previousPayloads, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in /_/src/MySqlConnector/Protocol/Serialization/ProtocolUtility.cs:line 466\n at MySqlConnector.Protocol.Serialization.StandardPayloadHandler.ReadPayloadAsync(ArraySegmentHolder1 cache, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in //src/MySqlConnector/Protocol/Serialization/StandardPayloadHandler.cs:line 42\n at MySqlConnector.Core.ServerSession.ReceiveReplyAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in //src/MySqlConnector/Core/ServerSession.cs:line 765\n--- End of stack trace from previous location where exception was thrown ---\n at MySqlConnector.Core.ServerSession.ReceiveReplyAsyncAwaited(ValueTask1 task) in /_/src/MySqlConnector/Core/ServerSession.cs:line 793\n at MySqlConnector.Core.ResultSet.ReadResultSetHeaderAsync(IOBehavior ioBehavior) in /_/src/MySqlConnector/Core/ResultSet.cs:line 49\n at MySqlConnector.MySqlDataReader.ActivateResultSet() in /_/src/MySqlConnector/MySqlDataReader.cs:line 115\n at MySqlConnector.MySqlDataReader.CreateAsync(CommandListPosition commandListPosition, ICommandPayloadCreator payloadCreator, IDictionary2 cachedProcedures, IMySqlCommand command, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in //src/MySqlConnector/MySqlDataReader.cs:line 422\n at MySqlConnector.Core.CommandExecutor.ExecuteReaderAsync(IReadOnlyList1 commands, ICommandPayloadCreator payloadCreator, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/Core/CommandExecutor.cs:line 61\n at MySqlConnector.MySqlCommand.ExecuteNonQueryAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/MySqlCommand.cs:line 263\n at MySqlConnector.MySqlCommand.ExecuteNonQuery() in /_/src/MySqlConnector/MySqlCommand.cs:line 100\n at Dapper.SqlMapper.ExecuteCommand(IDbConnection cnn, CommandDefinition& command, Action2 paramReader) in C:\projects\dapper\Dapper\SqlMapper.cs:line 2827\n at Dapper.SqlMapper.ExecuteImpl(IDbConnection cnn, CommandDefinition& command) in C:\projects\dapper\Dapper\SqlMapper.cs:line 570\n at Hangfire.MySql.JobQueue.MySqlJobQueue.Dequeue(String[] queues, CancellationToken cancellationToken)\n at Hangfire.MySql.MySqlStorageConnection.FetchNextJob(String[] queues, CancellationToken cancellationToken)\n at Hangfire.Server.Worker.Execute(BackgroundProcessContext context)\n at Hangfire.Server.AutomaticRetryProcess.Execute(BackgroundProcessContext context)", ASP.NET Core Security Serilog "State": "Error occurred during execution of 'Worker #8a90b7c0' process. rev2023.1.18.43176. I think its relates to azure servicebus. - Hangfire Discussion Enqueued jobs won't start processing bug? Interesting. Python Tutorial This was the settings I had in place for my git sync. However it is better to control the exit points in your methods by using cancellation tokens. Hangfire in ASP.NET Core application can be simple or distributed i.e. You are free to throw unhandled exceptions or terminate your application background jobs will be re-tried automatically. Recent commits: Create README.md, GitHub Add project files., Procoder Add .gitignore and .gitattributes., Procoder. Which Hangfire Version are you 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. When I was running the app with IIS Express, the queued jobs successfully get processed after queued. These can be daily or weekly jobs to generate data dumps or reports. Sure thing, thank you for the quick response. Adding this solved the problem. Hangfire.BackgroundJob.Enqueue is used to create the Fire-and-Forget background task. Please use Hangfire Forum for long questions or questions with source code. Encapsulation To learn more, see our tips on writing great answers. You will need to install the NuGet package Hangfire as shown below to include Hangfire references into your application. HTTP Error Logs 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. Hangfire Pro which supports Redis as a database & also supports some additional complex job types like batch & batch continuation. 1.Updated Hangfire to 1.7.3 Hangfire is showing 0 jobs in the queue right now since git sync isnt running. 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. 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. Please use the STDump utility to obtain stack traces of your threads, when everything is blocked, and post them here. Another core feature of Hangfires architecture is the chain-of-responsibility pipeline. Single API for all applications is exposed through the BackgroundJobServer class: Call the Dispose method whenever possible to have graceful shutdown features working. Thanks for contributing an answer to Stack Overflow! Well occasionally send you account related emails. Most jobs are stuck in the enqueued state or fail to transition to successful state upon work completion. I'll try to post another set of logs as soon as the problem reappears, and maybe get the stack dump too. File Upload 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). Microsoft Identity Are you redis Or sql?? 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. There might be some web requests which take lots of time for execution like generating a report on successful insertion or sending email/SMS as acknowledgment for the transaction completion. 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. Job storage access is fully abstracted and you can implement the support for your favorite 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. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. After some digging in the official doc, I saw there were multiple MySql connectors. 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. Without seeing your Hangfire configuration Do you have app.UseHangfireServer(); anywhere? If I try to manually run a job in this state it sits in the Queued status and never runs. 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. I also notice that now my server heartbeat is 7 hours. [image: image] 3 Answers Sorted by: 6 I Found the problem (s): The version of sql server was not supported. After stopping the server and then starting up again newly queued jobs process fine. It's still happening for us, with Hangfire version 1.7.25 using redis storage with Hangfire Pro 2.8.10. Cloud Storage Restarting does not work, we must do a stop then start. No Windows Service, no Windows Scheduler, no separate applications required. The text was updated successfully, but these errors were encountered: Same here after update to hangfire version 1.7.17. I don't see any worker threads, and without the logs it's hard to say what happened. Im pretty new to using Hangfire so Im not sure what options are available to diagnose this issue. Enqueued jobs are handled by a dedicated pool of worker threads. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Azure Storage You specify in the initial diagram that there are 2 asp web applications, one to queue jobs and one to fetch and consume jobs, but in the implementation its all in one web app? odinserj closed this as completed on Oct 29, 2021 HangfireIO locked and limited conversation to collaborators on Oct 29, 2021 Connect and share knowledge within a single location that is structured and easy to search. for storing jobs information that prevents applications from losing jobs information in case of pool restarts. With a maximum of 20. I am running Hangfire 1.7.19 and have my SqlServerStorageOptions set up as described here. I will be using Visual Studio 2019 community edition along with .NET Core 5 to create a new Web API project, 3. It might have some more details on why the queue is running. If possible, could you please take a memory dump of the process and upload it here? .NET Core Middleware To place a job into a different queue, use the QueueAttribute class on your method: The Queue name argument must consist of lowercase letters, digits, underscore, and dash (since 1.7.6) characters only. Hangfire Job execution engine information. Background jobs are regular static or instance .NET methods with regular arguments no base class or interface implementation required. For the implementation of Hangfire in ASP.NET Core lets create a new ASP.NET Core Web API project in which we implement Hangfire. The rest are 0's Looks like all of the processing jobs for the the git sync 881315 9.33 KB 879752 23.2 KB I have push only sync enabled. "SourceContext": "Hangfire.Server.Worker" Hangfire in ASP.NET Core allows the creation of background jobs and even provide monitoring features. I have a simple MVC5 application + Hangfire 1.2.0. rather than instantiating a new EmailService, you passed one into the containing class as an already instantiated dependency, and also. I have for sure to investigate more, no time now so I revert to the old version of hangfire (1.17.12) to see if it solve the issue. Concurrency Limiters Mutexes - allow only a single background job to be running concurrently. How to use Hangfire We are going to host hangfire in an ASP.NET Core app and use SQLite for storage. @meriturva there are a lot of problems with the package you are using too, instead of downgrading try switching to the new Hangfire.InMemory package instead, it's already on NuGet. It happens randomly. UPDATE Would setting up some monitoring that polls the website sort this? 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. We are having the same issue with Hangfire. Making statements based on opinion; back them up with references or personal experience. I was using 2005. How would I go about explaining the science of a world where everything is made of fabrics and craft supplies? Execution is similar to fire & forget. 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. Security The email must be sent after a registration. What if we continue on a job that already executed? Batch continuation is fired when all background jobs in a parent batch finished. It's almost impossible to find out what's happened without additional information, please see the following link and describe everything, including "ProTips" section. But nothing else happened. Your email address will not be published. You can also use MSSQL, PostgreSQL, MySQL and other database engines and host it in a console app. So, we can talk about graceful shutdown only after waiting for all the components. 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. In this article, we learn about background jobs, Hangfire in ASP.NET Core & the implementation of different types of jobs available in Hangfire in ASP.NET Core. These are mainly used to release the main thread so that the user experience is more responsive. Background jobs are created in a persistent storage SQL Server and Redis supported officially, and a lot of other community-driven storages. By clicking Sign up for GitHub, you agree to our terms of service and Then all of a sudden jobs are en-queued and not picked up for processing. This is where Hangfire can be used. Difference between Hangfire background job and recurring job? Retries Jobs list which have been retried due to some failure during previous execution. I see this over and over in the logs as well, not sure if it related? Single API for all applications is exposed through the BackgroundJobServer class: // Create an instance of Hangfire Server and start it. Not the answer you're looking for? The Server does not depend on ASP.NET and can be started anywhere, from a console application to Microsoft Azure Worker Role. Can I change which outlet on a circuit has the GFCI reset switch? @minajevs this can happen due to background jobs themselves. Sign in The following versions are installed: Hangfire.Core 1.7.6 We use single Redis instance (no cluster). Actually, i use Memory Storage and I guess it is not related to storage but to something introduced with the latest versions. Open and free for commercial use.