i see a lot of connection errors in the mysql server log file:
2018-01-20T00:57:48.888433Z 15848 [Note] Aborted connection 15848 to db: 'xx' user: 'xx' host: 'xxx' (Got timeout reading communication packets)
The connections are closed after the idle timeout is reached (400 seconds).
As far as i understand the configuration, this should not happen, because the validation query should be executed before:
JIRA Version: 7.7 and 7.5.1.
I did some research and found there are other possibilities for this behavior:
At this point try the following:
Please also take a look at the following resources as well:
Let me know what you find. If this doesn't help let me know and we'll go from there.
>Do you see any pattern to the users being disconnected in this manner?
I do not see any pattern.
There is no load on the server. Most of the time jira is idle: no user is logged in.
I think the reason is
The client slept for longer than the defined wait_timeout or interactive_timeout seconds (which ends up causing the connection to sleep for wait_timeout seconds and then the connection gets forcibly closed by the server)
But i thought that "time-between-eviction-runs-millis" and "pool-test-while-idle" should wake up the client. It seems that this is not happening.
I changed the following settings:
Now, idle connections are closed and i do not see the error messages any more.
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