try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
try { reg.setPattern(from); } catch (NoClassDefFoundError e) { // depending on the implementation the actual RE won't // get instantiated in the constructor. throw new BuildException("Cannot load regular expression matcher", 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/RegexpPatternMapper.java
Method name: DocumentBuilder getDocumentBuilder() Method name: void setFrom(String)
Number of AST nodes: 2 Number of AST nodes: 2
1
try {
1
try {
2
            return DocumentBuilderFactory.newInstance().newDocumentBuilder();
2
            re
3
        } catch (Exception exc) {
3
g.setPattern(from);
4
        } catch (NoClassDefFoundError e) {
5
            // depending on the implementation the actual RE won't
6
            // get instantiated in the constructor.
4
            throw new ExceptionInInitializerError(exc
7
            throw new BuildException("Cannot load regular expression matcher",
5
);
8
                                     e);
6
        }
9
        }
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 statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    1
    try
    Differences
    Expression1Expression2Difference
    java.lang.Exceptionjava.lang.NoClassDefFoundErrorSUBCLASS_TYPE_MISMATCH
    exceVARIABLE_NAME_MISMATCH
    java.lang.Exceptionjava.lang.NoClassDefFoundErrorSUBCLASS_TYPE_MISMATCH
    java.lang.ExceptionInInitializerErrororg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    new ExceptionInInitializerError(exc)new BuildException("Cannot load regular expression matcher",e)ARGUMENT_NUMBER_MISMATCH
    1
    try
                                                    
    2
    reg.setPattern(from);
    Preondition Violations
    Unmatched statement reg.setPattern(from); 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
    reg.setPattern(from);
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Preondition Violations
    Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();
                                                                                                                                            
    Precondition Violations (2)
    Row Violation
    1Unmatched statement reg.setPattern(from); 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 return DocumentBuilderFactory.newInstance().newDocumentBuilder();