1-03-18 22:11:44.294 WARN com.zaxxer.hikari.pool.PoolBase [15g035lzzs80e] – HikariPool-1 – Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@36c4c9bb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.

  sre

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1-03-18 22:11:44.294 WARN com.zaxxer.hikari.pool.PoolBase [15g035lzzs80e] - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@36c4c9bb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.

修改mysql超时时间:

wait_timeout=28800

重启mysql

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