158-142-153

try { Thread.sleep(5 * 1000); } catch (InterruptedException e) { }
for (int i = 0; i < thread.length && thread[i] != null; i++) { try { managingTask.log(thread[i].toString(), Project.MSG_DEBUG); } catch (NullPointerException enPeaEx) { // Ignore exception } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/taskdefs/optional/junit/Sleeper.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Redirector.java
Method name: `void testSleep()` |  | Method name: `void complete()`
Number of AST nodes: 2 |  | Number of AST nodes: 3

1

    try {↵

2

                Thread.sleep(5 * 1000);↵

3

            } catch (InterruptedException e) {↵

1

    for (int i = 0; i < thread.length && thread[i] != null; i++) {↵

2

                        try {↵

3

                            managingTask.log(thread[i].toString(), Project.MSG_DEBUG);↵

4

                        } catch (NullPointerException enPeaEx) {↵

5

                            // Ignore exception↵

6

                        }↵

4

            }

7

                    }

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 | 4

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
   --- | --- | --- | --- | ---

   1

       try

   1 | try
   15 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.lang.InterruptedException | java.lang.NullPointerException | SUBCLASS_TYPE_MISMATCH
   e | enPeaEx | VARIABLE_NAME_MISMATCH
   java.lang.InterruptedException | java.lang.NullPointerException | SUBCLASS_TYPE_MISMATCH

   15

       try

   2

       Thread.sleep(5 * 1000);

   2 | Thread.sleep(5 * 1000);

   Preondition Violations
   Unmatched statement Thread.sleep(5 * 1000); 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

   16

       managingTask.log(thread[i].toString(), Project.MSG_DEBUG);

   Precondition Violations (1)
   Row | Violation
   --- | ---
   1 | Unmatched statement Thread.sleep(5 * 1000); 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