manager/manager/src/main/java/org/apache/doris/stack/driver/JdbcSampleClient.java [85:93]:
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        String url = buffer.toString();
        try {
            log.info("Get connection by url:{}", url);
            Connection myCon = DriverManager.getConnection(url, user, passwd);
            Statement stmt = myCon.createStatement();
            return stmt;
        } catch (Exception e) {
            log.error("Get doris jdbc connection error {}.", e);
            throw e;
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manager/manager/src/main/java/org/apache/doris/stack/driver/JdbcSampleClient.java [105:113]:
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        String url = buffer.toString();
        try {
            log.info("Get connection by url:{}", url);
            Connection myCon = DriverManager.getConnection(url, user, passwd);
            Statement stmt = myCon.createStatement();
            return stmt;
        } catch (Exception e) {
            log.error("Get doris jdbc connection error {}.", e);
            throw e;
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