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java.sql.SQLException: HikariDataSource HikariDataSource (HikariPool-7) has been closed. at org.springframework.jdbc.datasource.DataSourceUtils.getConnection( at org.springframework.jdbc.core.JdbcTemplate.execute( at org.springframework.jdbc.core.JdbcTemplate.query( at org.springframework.jdbc.core.JdbcTemplate.query( at org.springframework.jdbc.core.JdbcTemplate.queryForObject( at org.springframework.jdbc.core.JdbcTemplate.queryForMap( by: java.sql.SQLException: HikariDataSource HikariDataSource(HikariPool-7) has been closed. at com.zaxxer.hikari.HikariDataSource.getConnection( at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection( at org.springframework.jdbc.datasource.DataSourceUtils.getConnection( ... 6 more