try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/XMLJUnitResultFormatter.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/XmlLogger.java
Method name: DocumentBuilder getDocumentBuilder() Method name: DocumentBuilder getDocumentBuilder()
Number of AST nodes: 2 Number of AST nodes: 2
1
try {
1
try {
2
            return DocumentBuilderFactory.newInstance().newDocumentBuilder();
2
            return DocumentBuilderFactory.newInstance().newDocumentBuilder();
3
        } catch (Exception exc) {
3
        } catch (Exception exc) {
4
            throw new ExceptionInInitializerError(exc);
4
            throw new ExceptionInInitializerError(exc);
5
        }
5
        }
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)0.2
Clones locationClones are in different classes
Number of node comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 1
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Precondition Violations (1)
    Row Violation
    1The refactoring of the clones is infeasible, because classes org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter and org.apache.tools.ant.XmlLogger do not have a common superclass