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Can deleting the Jira plugin caches cause any harm?

Jira Server V8.20.8

We had an issue recently where Jira failed to load on a restart - it was not loading many of the core plugins.

One of the workarounds we tried, which seems to have helped, was to delete the Jira plugin caches, i.e. the directories:




Is there any potential harm in doing this every time we stop and start Jira?

1 answer

0 votes
Charlie Misonne
Community Leader
Community Leader
Community Leaders are connectors, ambassadors, and mentors. On the online community, they serve as thought leaders, product experts, and moderators.
Jun 13, 2022

Hi @Martin Begley

No clearing the plugin caches will do no harm. Atlassian will even recommend doing this in some cases when you ask for their support.

In my personal experience clearing those caches is often (but not always) required after upgrades of Jira.
Doing this on every Jira restart should not be necessary but if it helps in your case, why not...

Note: the startup of Jira will be slower when the caches are empty

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