...

Due to this, we have changed the behaviour so that JEMH does not process any incoming emails when the environment user (User that runs Jira on the system) does not have permission/access to write to the folder (this is to prevent lose of data). When this occurs a banner will be displayed within the JEMH configuration to help make you aware of this issue.

...

Resolution

To resolve this issue, you will need to go to JIRA_HOME/data and either change the Ownership of this folder and its sub-folders to the Environment user that runs Jira or add the Read and Write (w) permission to the folder.

Example Linux Terminal commands to change owner/permissions:

Change Ownership:

Below will change the ownership of the jemh folder and its sub-folders to “jiraUser”.

...