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Contributing to JHipster

Are you ready to contribute to JHipster? We'd love to have you on board, and we will help you as much as we can. Here are the guidelines we'd like you to follow so that we can be of more help:

And don't forget, we also accept financial contributions to the project using Open Collective.

Questions and help

This is the JHipster bug tracker, and it is used for Issues and Bugs and for Feature Requests. It is not a help desk or a support forum.

If you have a question on using JHipster, or if you need help with your JHipster project, please read our help page and use the JHipster tag on StackOverflow or join our chat room.

Issues and Bugs

If you find a bug in the source code or a mistake in the documentation, you can help us by submitting a ticket to our GitHub issues. Even better, you can submit a Pull Request to our JHipster generator project or to our Documentation project.

Please see the Submission Guidelines below.

Bug bounties

If you submitted a Pull Request that fixes a ticket with the "$100" tag, then you are eligible for our bug bounty program! Go to our bug bounties documentation for more information, and claim your money.

Feature Requests

You can request a new feature by submitting a ticket to our GitHub issues. If you would like to implement a new feature then consider what kind of change it is:

  • Major Changes that you wish to contribute to the project should be discussed first. Please open a ticket which clearly states that it is a feature request in the title and explain clearly what you want to achieve in the description, and the JHipster team will discuss with you what should be done in that ticket. You can then start working on a Pull Request. In order to communicate major changes proposals and receive reviews from the core team, you can also submit an RFC.
  • Small Changes can be proposed without any discussion. Open up a ticket which clearly states that it is a feature request in the title. Explain your change in the description, and you can propose a Pull Request straight away.


Sometimes, major feature requests are "complex" or "substantial". In this case, GitHub Issues might not be the best tool to present them because we will need a lot of going back and forth to reach a consensus.

So we ask that these feature request be put through a formal design process and have their specifications described in an "RFC" (request for comments) that will be validated by the team through a Pull Request Review.

The RFC process is intended to provide a consistent and controlled path for major features and directions of the project.

To submit an RFC follow those steps:

  1. Discuss the RFC proposal with the core team through GitHub issues or other channels
  2. Create the initial GitHub issue for the Feature Request if it doesn't already exist
  3. Copy the rfcs/ to rfcs/${featureRequestIssueNumber}
  4. Fill in the RFC, make sure to complete every required section
  5. Submit the RFC as a Pull Request with the summary of the proposal in the PR description
  6. Build consensus and integrate feedback from the reviewers
  7. The Pull Request is either accepted (merged), rejected (closed) or postponed (given an "on hold" status)

Note: The JHipster RFC process is inspired by Rust RFCs.

Submission Guidelines

Before you submit your issue search the archive, maybe your question was already answered.

If your issue appears to be a bug, and has not been reported, open a new issue. Help us to maximize the effort we can spend fixing issues and adding new features, by not reporting duplicate issues. Providing the following information will increase the chances of your issue being dealt with quickly:

  • Overview of the issue - if an error is being thrown a stack trace helps
  • Motivation for or Use Case - explain why this is a bug for you
  • Reproduce the error - an unambiguous set of steps to reproduce the error. If you have a JavaScript error, maybe you can provide a live example with JSFiddle?
  • Related issues - has a similar issue been reported before?
  • Suggest a Fix - if you can't fix the bug yourself, perhaps you can point to what might be causing the problem (line of code or commit)
  • JHipster Version(s) - is it a regression?
  • JHipster configuration, a .yo-rc.json file generated in the root folder - this will help us to replicate the scenario, you can remove the rememberMe key.
  • Entity configuration(s) entityName.json files generated in the .jhipster directory - if the error is during an entity creation or associated with a specific entity
  • Browsers and Operating System - is this a problem with all browsers or only IE8?

You can use jhipster info to provide us the information we need.

Click here to open a bug issue with a pre-filled template. For feature requests and enquiries you can use this template.

You can run jhipster info in your project folder to get most of the above required info.

Issues opened without any of these info will be closed without any explanation.

Before you submit your pull request consider the following guidelines:

  • Search GitHub for an open or closed Pull Request that relates to your submission.
  • If you want to modify the JHipster generator, read our Development Guide
  • Follow our Coding Rules.
  • In GitHub, send a pull request to jhipster/generator-jhipster:main.
  • Every CI tests must pass.

That's it! Thank you for your contribution!

Coding Rules

To ensure consistency throughout the source code, keep these rules in mind as you are working:

  • All features or bug fixes must be tested by one or more tests.
  • Most files formatting are checked by prettier and eslint.
  • EJS files use a two-space indentation for template logic and follow the generated file rules for the templating parts.

Please ensure to run npm run lint and npm test on the project root before submitting a pull request. You can also run npm run lint-fix to fix some of the lint issues automatically.

Git Commit Guidelines

We have rules over how our git commit messages must be formatted. Please ensure to squash unnecessary commits so that your commit history is clean.

If the commit only involves documentation changes you can skip the continuous integration pipelines using [ci skip] or [skip ci] in your commit message header.

Commit Message Format

Each commit message consists of a header, a body and a footer.


Any line of the commit message cannot be longer than 100 characters! This allows the message to be easier to read on GitHub as well as in various git tools.


The Header contains a succinct description of the change:

  • use the imperative, present tense: "change" not "changed" nor "changes"
  • don't capitalize first letter
  • no dot (.) at the end


If your change is simple, the Body is optional.

Just as in the Header, use the imperative, present tense: "change" not "changed" nor "changes". The Body should include the motivation for the change and contrast this with previous behavior.


The footer is the place to reference GitHub issues that this commit Closes.

You must use the GitHub keywords for automatically closing the issues referenced in your commit.


For example, here is a good commit message:

upgrade to Spring Boot 1.1.7

upgrade the Maven and Gradle builds to use the new Spring Boot 1.1.7,

Fix #1234

Regular Contributor Guidelines

These are some of the guidelines that we would like to emphasize if you are a regular contributor to the project or joined the JHipster team.

  • We recommend not committing directly to main, but always submit changes through PRs.
  • Before merging, try to get at least one review on the PR.
  • Add appropriate labels to issues and PRs that you create (if you have permission to do so).
  • Follow the project's policies.
  • Follow the project's Code of Conduct and be polite and helpful to users when answering questions/bug reports and when reviewing PRs.
  • We work on our free time, so we have no obligation nor commitment. Work/life balance is important, so don't feel tempted to put in all your free time fixing something.