src/main/java/org/apache/commons/dbcp2/datasources/CPDSConnectionFactory.java [464:475]:
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                stmt = conn.createStatement();
                rset = stmt.executeQuery(validationQuery);
                valid = rset.next();
                if (rollbackAfterValidation) {
                    conn.rollback();
                }
            } catch (final Exception e) {
                valid = false;
            } finally {
                Utils.closeQuietly((AutoCloseable) rset);
                Utils.closeQuietly((AutoCloseable) stmt);
                Utils.closeQuietly((AutoCloseable) conn);
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src/main/java/org/apache/commons/dbcp2/datasources/KeyedCPDSConnectionFactory.java [363:374]:
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                stmt = conn.createStatement();
                rset = stmt.executeQuery(validationQuery);
                valid = rset.next();
                if (rollbackAfterValidation) {
                    conn.rollback();
                }
            } catch (final Exception e) {
                valid = false;
            } finally {
                Utils.closeQuietly((AutoCloseable) rset);
                Utils.closeQuietly((AutoCloseable) stmt);
                Utils.closeQuietly((AutoCloseable) conn);
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