fluid-api/src/main/java/com/fluidbpm/program/api/util/sql/ABaseSQLUtil.java
public void closeConnection() {
		if(this.connection == null) {
			return;
		}

		try {
			if(this.connection.isClosed()) {
				return;
			}

			this.connection.close();
		} catch (SQLException sqlExcept) {
			throw new FluidSQLException(sqlExcept);
		}
	}
public void closeConnection() {
		if(this.connection == null) {
			return;
		}

		try {
			if(this.connection.isClosed()) {
				return;
			}

			this.connection.close();
		} catch (SQLException sqlExcept) {
			throw new FluidSQLException(sqlExcept);
		}
	}
Close the SQL Connection.