if (sock != null) { try { sock.close(); sock = null; } catch (IOException e) { // ignore } }
if (slowScanning) { while (slowScanning) { try { slowScanLock.wait(); } catch (InterruptedException e) { // Empty } } return; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java
Method name: void disconnect() Method name: void slowScan()
Number of AST nodes: 4 Number of AST nodes: 5
1
if (sock != null) {
1
if (slowScanning) {
2
                try {
2
                while (slowScanning) {
3
                    sock.close();
3
                    
4
try {
4
                    sock = null;
5
                       
6
 slowScanLock.wait();
5
                } catch (IOException e) {
7
                    } catch (InterruptedException e) {
6
                    // ignore
8
                        // 
7
                }
9
Empty
10
                    }
11
                }
12
                return;
8
            }
13
            }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    11
    try
    11
    try
    6
    try
    Differences
    Expression1Expression2Difference
    java.io.IOExceptionjava.lang.InterruptedExceptionSUBCLASS_TYPE_MISMATCH
    java.io.IOExceptionjava.lang.InterruptedExceptionSUBCLASS_TYPE_MISMATCH
    6
    try
                                                  
    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
    7
    slowScanLock.wait();
    12
    sock.close();
    12
    sock.close();
    Preondition Violations
    Unmatched statement sock.close(); 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
                                      
    13
    sock = null;
                                
    Precondition Violations (2)
    Row Violation
    1Unmatched 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
    2Unmatched statement sock.close(); 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