Bug #87867 Got an error reading communication packets
Submitted: 26 Sep 2017 8:36 Modified: 26 Sep 2017 9:19
Reporter: Sistemas Unix Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server Severity:S2 (Serious)
Version:5.7.19-1 OS:Red Hat
Assigned to: CPU Architecture:Any

[26 Sep 2017 8:36] Sistemas Unix
Description:
Hi
we get the error "Got an error reading communication packets"a lot of times during the day. We try to increase max_allowed_packet but the problem remains. 
I send you some logs:

/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884469Z 45 [Note] Aborted connection 45 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884489Z 51 [Note] Aborted connection 51 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884473Z 47 [Note] Aborted connection 47 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884494Z 56 [Note] Aborted connection 56 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884497Z 50 [Note] Aborted connection 50 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884500Z 62 [Note] Aborted connection 62 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884500Z 57 [Note] Aborted connection 57 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884518Z 68 [Note] Aborted connection 68 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884520Z 69 [Note] Aborted connection 69 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T06:15:16.884519Z 63 [Note] Aborted connection 63 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)

/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207735Z 74 [Note] Aborted connection 74 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207759Z 76 [Note] Aborted connection 76 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207775Z 85 [Note] Aborted connection 85 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207768Z 80 [Note] Aborted connection 80 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207803Z 98 [Note] Aborted connection 98 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207782Z 86 [Note] Aborted connection 86 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207783Z 91 [Note] Aborted connection 91 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207798Z 92 [Note] Aborted connection 92 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207762Z 79 [Note] Aborted connection 79 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt2/dsmrt2db/dsmrt2.log:2017-09-25T08:16:55.207804Z 97 [Note] Aborted connection 97 to db: 'dsmrt2' user: 'root' host: '10.0.9.68' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776690Z 75 [Note] Aborted connection 75 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776706Z 77 [Note] Aborted connection 77 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776719Z 81 [Note] Aborted connection 81 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776716Z 80 [Note] Aborted connection 80 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776726Z 86 [Note] Aborted connection 86 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776734Z 87 [Note] Aborted connection 87 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776740Z 92 [Note] Aborted connection 92 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776744Z 93 [Note] Aborted connection 93 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776752Z 98 [Note] Aborted connection 98 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)
/srv/desarrollo/drivers/dsmrt3/dsmrt3db/dsmrt3.log:2017-09-25T08:16:57.776759Z 99 [Note] Aborted connection 99 to db: 'dsmrt3' user: 'root' host: '10.0.9.69' (Got an error reading communication packets)

Could you check it, please?
Thank you in advanced.

How to repeat:
When the application connects to the database this error is logged in mysql log.
[26 Sep 2017 9:19] MySQL Verification Team
We're sorry, but the bug system is not the appropriate forum for asking help on using MySQL products. Your problem is not the result of a bug.

Support on using our products is available both free in our forums at http://forums.mysql.com/ and for a reasonable fee direct from our skilled support engineers at http://www.mysql.com/support/

Please see the possible reasons for communication Errors and Aborted Connections errors nicely documented in our manual - https://dev.mysql.com/doc/refman/5.7/en/communication-errors.html

Thank you for your interest in MySQL.