158-166-195

if (slowScanning) { while (slowScanning) { try { slowScanLock.wait(); } catch (InterruptedException e) { // Empty } } return; }
if (!isAutocommit() && conn != null && onError.equals("abort")) { try { conn.rollback(); } catch (SQLException ex) { // ignore } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SQLExec.java
Method name: `void slowScan()` |  | Method name: `void closeQuietly()`
Number of AST nodes: 5 |  | Number of AST nodes: 3

1

    if (slowScanning) {↵

1

    if (↵

2

                    while (slowScanning) {↵

2

    !isAutocommit() && conn != null && onError.equals("abort")) {↵

3

                        try {↵

3

                try {↵

4

                            slowScanLock.wait();↵

4

                    ↵

5

        ↵

5

    conn.rollback();↵

6

                    } catch (InterruptedException e) {↵

6

                } catch (SQLException ex) {↵

7

                            // Empty↵

7

                    // ↵

8

                        }↵

9

                    }↵

10

                    return;↵

11

        ↵

8

    ignore↵

9

                }↵

12

            }

10

            }

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 5

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.4
   Clone type | Type 2

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   6

       try

   6 | try
   2 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.lang.InterruptedException | java.sql.SQLException | SUBCLASS_TYPE_MISMATCH
   e | ex | VARIABLE_NAME_MISMATCH
   java.lang.InterruptedException | java.sql.SQLException | SUBCLASS_TYPE_MISMATCH

   2

       try

   3 | conn.rollback();

   Preondition Violations
   Unmatched statement conn.rollback(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted

   3

       conn.rollback();

   7

       slowScanLock.wait();

   7 | slowScanLock.wait();

   Preondition Violations
   Unmatched statement slowScanLock.wait(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement conn.rollback(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
   2 | Unmatched statement slowScanLock.wait(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted