try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
try { return getDocumentBuilderFactory().newDocumentBuilder(); } catch (ParserConfigurationException e) { throw new BuildException(e); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/XmlLogger.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JAXPUtils.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 getDocumentBuilderFactory().newDocumentBuilder();
3
        } catch (Exception exc) {
3
        } catch (ParserConfigurationException e) {
4
            throw new ExceptionInInitializerError(exc);
4
            throw new BuildException(e);
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)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    1
    try
    Differences
    Expression1Expression2Difference
    java.lang.Exceptionjavax.xml.parsers.ParserConfigurationExceptionSUBCLASS_TYPE_MISMATCH
    exceVARIABLE_NAME_MISMATCH
    java.lang.Exceptionjavax.xml.parsers.ParserConfigurationExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.ExceptionInInitializerErrororg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    exceVARIABLE_NAME_MISMATCH
    java.lang.Exceptionjavax.xml.parsers.ParserConfigurationExceptionSUBCLASS_TYPE_MISMATCH
    1
    try
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    return getDocumentBuilderFactory().newDocumentBuilder();
    Differences
    Expression1Expression2Difference
    newInstancegetDocumentBuilderFactoryMETHOD_INVOCATION_NAME_MISMATCH
    DocumentBuilderFactoryMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    • Inline private method getDocumentBuilderFactory
    Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    • Inline private method getDocumentBuilderFactory
    2
    return getDocumentBuilderFactory().newDocumentBuilder();
    Precondition Violations (2)
    Row Violation
    1Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted