mysql报错：
The last packet successfully received from the server was 86,491,039 milliseconds ago. The last packet sent successfully to the server was 86,491,039 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.该如何解决
The last packet successfully received from the server was 86,491,039 milliseconds ago. The last packet sent successfully to the server was 86,491,039 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.该如何解决
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可以修改wait_timeout参数为更大的值。