info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
| Mention a Jira issue ID in GitLab and the Jira issue shows the GitLab issue or merge request. | Yes. A Jira comment with the GitLab issue or MR title links to GitLab. The first mention is also added to the Jira issue under **Web links**. | Yes, in the issue's [development panel](https://support.atlassian.com/jira-software-cloud/docs/view-development-information-for-an-issue/). |
| Mention a Jira issue ID in a GitLab commit message and the Jira issue shows the commit message. | Yes. The entire commit message is displayed in the Jira issue as a comment and under **Web links**. Each message links back to the commit in GitLab. | Yes, in the issue's [development panel](https://support.atlassian.com/jira-software-cloud/docs/view-development-information-for-an-issue/) and optionally with a custom comment on the Jira issue using Jira [Smart Commits](https://confluence.atlassian.com/fisheye/using-smart-commits-960155400.html). |
| Mention a Jira issue ID in a GitLab branch name and the Jira issue shows the branch name. | No. | Yes, in the issue's [development panel](https://support.atlassian.com/jira-software-cloud/docs/view-development-information-for-an-issue/). |
| Add Jira time tracking to an issue. | No. | Yes. Time can be specified using Jira Smart Commits. |
| Use a Git commit or merge request to transition or close a Jira issue. | Yes. Only a single transition type, typically configured to close the issue by setting it to Done. | Yes. Transition to any state using Jira Smart Commits. |
| Display a list of [Jira issues](issues.md#view-jira-issues). | Yes. | No. |
| Create a Jira issue from a [vulnerability or finding](../../user/application_security/vulnerabilities/index.md#create-a-jira-issue-for-a-vulnerability). | Yes. | No. |
| Create a GitLab branch from a Jira issue. | No. | Yes, in the issue's [development panel](https://support.atlassian.com/jira-software-cloud/docs/view-development-information-for-an-issue/). |
If you [restrict IP addresses for Jira access](https://support.atlassian.com/security-and-access-policies/docs/specify-ip-addresses-for-product-access/), make sure you add your self-managed IP addresses or [GitLab.com IP range](../../user/gitlab_com/index.md#ip-range) to the allowlist in Jira.
1. Modify and save the instance-level integration from the UI to propagate the changes to all group-level and project-level integrations.
### Check if Jira Cloud is linked
You can use the [Rails console](../../administration/operations/rails_console.md#starting-a-rails-console-session) to check if Jira Cloud is linked to:
### `500 Whoops` when accessing a Jira issue in GitLab
When accessing a Jira issue in GitLab, you might get a `500 Whoops, something went wrong on our end` error.
Check [`production.log`](../../administration/logs/index.md#productionlog) to see if it contains a `:NoMethodError (undefined method 'duedate' for #<JIRA::Resource::Issue:0x00007f406d7b3180>)` exception. If that's the case, ensure the **Due date** field is visible for issues in the integrated Jira project.