Add-on is installed successfully via UPM but there's an error occurred
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Problem
After clicking to install an add-on via JIRA Administration > Add-ons > Find add-ons, an error message :
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An unexpected error occurred. Refer to the logs for more informationin a red box, despite the add-on is actually installed successfully.
Diagnosis
Environment
The user is accessing JIRA with Apache integrated.
Diagnostic Steps
Upload add-on file manually will install the add-on without any errors
Install an add-on with proxy bypassed will also install the add-on without any errors
The following appears in the Apache log
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[<date>] [evasive20:error] [pid xxxxx] [client ip_address:xxxxx] client denied by server configuration: proxy: http://proxy.com, referer: http://proxy.com/somethingCause
The access to the marketplace was denied by an Apache configuration.
Solution
Workaround
Add JIRA base URL in a list of whitelisted IP Addresses in the proxy configuration file
References:
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