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문제

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Cause: java.sql.BatchUpdateException: Prepared statement needs to be re-prepared
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원인

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해결

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변경방법1) 쿼리문 (DB 재시작 시 기본세팅으로 변경됨)

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MariaDB [(none)]> SHOW VARIABLES LIKE 'table_definition_cache%';\n+------------------------+-------+                              \n| Variable_name          | Value |                              \n+------------------------+-------+                              \n| table_definition_cache | 400   |                              \n+------------------------+-------+                              \n1 row in set (0.001 sec)                                        \n                                                                \nMariaDB [(none)]> SET GLOBAL table_definition_cache = 600;
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변경방법2) my.cnf 수정

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[mysqld]\ntable_definition_cache = 400
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Table Definition Cache?

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