{"msg":"\n### Error querying database.  Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure\n\nThe last packet successfully received from the server was 1,071 milliseconds ago. The last packet sent successfully to the server was 1,076 milliseconds ago.\n### The error may exist in com/qingpoetry/qingshici/mapper/TWorksBaseMapper.java (best guess)\n### The error may involve defaultParameterMap\n### The error occurred while setting parameters\n### SQL: SELECT COUNT(*) AS total FROM t_works_base WHERE (status = ? AND del_flag = ? AND dynasty = ? AND kind = ?)\n### Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure\n\nThe last packet successfully received from the server was 1,071 milliseconds ago. The last packet sent successfully to the server was 1,076 milliseconds ago.\n; Communications link failure\n\nThe last packet successfully received from the server was 1,071 milliseconds ago. The last packet sent successfully to the server was 1,076 milliseconds ago.; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure\n\nThe last packet successfully received from the server was 1,071 milliseconds ago. The last packet sent successfully to the server was 1,076 milliseconds ago.","code":500}