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# FAQ: Contributing

## Automated checks on my PR have failed. Do you know what's wrong?​

Please do the following:

- Click on the failed tests and check the log to see what's causing the errors.
- If it's related to connection timeout in downloading dependencies, please restart the CI jobs (which can be done by closing and reopening the PR)
- If it's some other reason, please tag someone on the core team for assistance.

## The public petstore server returns status 500, can I run it locally?​

Yes, please run the following commands (assuming you've docker installed):

    docker pull swaggerapi/petstore
    docker run -d -e SWAGGER_HOST=http://petstore.swagger.io -e SWAGGER_BASE_PATH=/v2 -p 80:8080 swaggerapi/petstore
    docker ps -a

Then add the following to your local hosts table:

    127.0.0.1    petstore.swagger.io

## Who should I report a security vulnerability to?​

Please contact team@openapitools.org with the details and we'll follow up with you.

## How can I rebase my PR on the latest master?​

Please refer to http://rypress.com/tutorials/git/rebasing, or follow the steps below (assuming the branch for the PR is "fix_issue_9999"):

1. git checkout master
2. git pull upstream master (assuming `upstream` is pointing to the official repo)
3. git checkout fix_issue_9999
4. git rebase master
5. Resolve merge conflicts, if any, and run "git commit -a"
6. Rebase done (you may need to add --force when doing `git push`)

(To setup `upstream` pointing to the official repo, please run `git remote add upstream https://github.com/openapitools/openapi-generator.git`)

## How can I update commits that are not linked to my GitHub account?​

Please refer to https://stackoverflow.com/questions/3042437/how-to-change-the-commit-author-for-one-specific-commit or you can simply add the email address in the commit as your secondary email address in your GitHub account.

## Any useful git tips to share?​

Yes, http://www.alexkras.com/19-git-tips-for-everyday-use/

## How can I submit a PR to fix bugs or make enhancements?​

Visit https://github.com/openapitools/openapi-generator and then click on the "Fork" button in the upper right corner. Then in your local machine, run the following (assuming your github ID is "your_user_id")

1) git clone https://github.com/your_user_id/openapi-generator.git 2) cd openapi-generator 3) git checkout -b fix_issue9999 4) make changes 5) git commit -a (you may need to use `git add filename` to add new files) 6) git push origin fix_issue9999 7) Visit https://github.com/openapitools/openapi-generator in your browser and click on the button to file a new PR based on fix_issue9999