Symptoms: Existing traceability links are not visible after Upgrading JIRA to Version 8.0.x.

Cause: With JIRA 8.0.x and above, the APIs used to sync JIRA issues was deprecated. As a result of this, JIRA artifacts are marked as deleted if JIRA is upgraded to JIRA 8.x while using RMsis versions below RMsis 1.8.10-r355.

Upon upgrading RMsis to 1.8.10-r355 which is compatible with JIRA 8.0.x, JIRA artifacts are re-synced and duplicates are created. From the user's perspective, it appears that the traceability links are lost.

Solutions:

If you have not upgraded JIRA to JIRA 8.x or you have tried upgrading on a test instance. Please follow the following steps to perform the upgrade:

Upgrade RMsis first to v1.8.10-r355 before upgrading your JIRA instance to 8.0.x
Upgrade your JIRA instance to 8.0.x
This will eliminate the need to re-sync and no duplicates will be created.

If you have already upgraded your JIRA instance to 8.0.x, you have following options to resolve this issue:

If you have taken a database backup of RMsis database before upgrading JIRA to 8.0.x
1. Upgrade RMsis to RMsis 1.8.10-r355 which is compatible with JIRA 8.0.x
2. Restore the RMsis backup taken before upgrading JIRA to 8.0.x to a new database and re-configure RMsis to use this database with RMsis 1.8.10-r355.
3. This is the preferred option as it will eliminate the duplicate artifacts which got created due to re-sync and existing links & artifacts will remain visible.
If database backup is not available, please follow the steps mentioned below to resolve this issue:
1. Login into JIRA using an administrator account and switch to RMsis Administration > Health & Diagnostics tab.
2. Click on Find Duplicate button, this will identify the newly created duplicates and list them.
  - If duplicate artifacts are found, Remove Duplicates button will become active or else "No duplicate issues found" will be displayed.
3. Click on Remove Duplicate button to restore the Traceability links.

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