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Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: Connection has already been closed.
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Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: Connection is closed.
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Error while extracting DatabaseMetaData; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed by the driver.
org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is java.sql.SQLException: Connection has already been closed. at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:305) at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:329) at org.springframework.jdbc.support.SQLErrorCodesFactory.getErrorCodes(SQLErrorCodesFactory.java:214) at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.setDataSource(SQLErrorCodeSQLExceptionTranslator.java:134) at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.<init>(SQLErrorCodeSQLExceptionTranslator.java:97) at org.springframework.jdbc.support.JdbcAccessor.getExceptionTranslator(JdbcAccessor.java:99) at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:645) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:680) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:707) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:757) at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:192)