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                                            code98

After using druid data connection pool, there will be a connection failure error.

@malafeev like this: Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 121,063 milliseconds ago. The last packet sent successfully to the server was...

After using druid data connection pool, there will be a connection failure error.

@quaff hi, If I don’t use ‘TracingDriver’, the system will run for a long time without problems. If I use ‘TracingDriver’, it will appear in a few days, and it...