StringWriter sw = new StringWriter(); PrintWriter w = new PrintWriter(sw); t.printStackTrace(w); w.close(); log(sw.toString(), Project.MSG_ERR);
StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw, true); t.printStackTrace(pw); pw.flush(); pw.close(); return sw.toString();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Java.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/StringUtils.java
Method name: void log(Throwable) Method name: String getStackTrace(Throwable)
Number of AST nodes: 5 Number of AST nodes: 6
1
StringWriter sw = new StringWriter();
1
StringWriter sw = new StringWriter();
2
        PrintWriter w = new PrintWriter(sw);
2
        PrintWriter pw = new PrintWriter(sw, true);
3
        t.printStackTrace(w);
3
        t.printStackTrace(pw);
4
        w.close();
4
        pw.flush();
5
        log(sw.toString(), Project.MSG_ERR
5
        pw.close();
6
);
6
        return sw.toString();
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)0.0
Clones locationClones are in different classes
Number of node comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    StringWriter sw = new StringWriter();
    1
    StringWriter sw = new StringWriter();
    2
    PrintWriter w = new PrintWriter(sw);
    2
    PrintWriter w = new PrintWriter(sw);
    2
    PrintWriter pw = new PrintWriter(sw, true);
    Differences
    Expression1Expression2Difference
    wpwVARIABLE_NAME_MISMATCH
    new PrintWriter(sw)new PrintWriter(sw,true)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new PrintWriter(sw) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new PrintWriter(sw,true) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    PrintWriter pw = new PrintWriter(sw, true);
    3
    t.printStackTrace(w);
    3
    t.printStackTrace(w);
    3
    t.printStackTrace(pw);
    Differences
    Expression1Expression2Difference
    wpwVARIABLE_NAME_MISMATCH
    3
    t.printStackTrace(pw);
    4
    w.close();
    4
    w.close();
    5
    pw.close();
    Differences
    Expression1Expression2Difference
    wpwVARIABLE_NAME_MISMATCH
    5
    pw.close();
    5
    log(sw.toString(), Project.MSG_ERR);
    5
    log(sw.toString(), Project.MSG_ERR);
    4
    pw.flush();
    Differences
    Expression1Expression2Difference
    logflushMETHOD_INVOCATION_NAME_MISMATCH
    log(sw.toString(),Project.MSG_ERR)pw.flush()ARGUMENT_NUMBER_MISMATCH
    pwMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression log(sw.toString(),Project.MSG_ERR) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression pw.flush() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression log(sw.toString(),Project.MSG_ERR) is a void method call, and thus it cannot be parameterized
    Expression pw.flush() is a void method call, and thus it cannot be parameterized
    Expression log(sw.toString(),Project.MSG_ERR) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression pw.flush() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression log(sw.toString(),Project.MSG_ERR) is a void method call, and thus it cannot be parameterized
    Expression pw.flush() is a void method call, and thus it cannot be parameterized
    4
    pw.flush();
                                                    
    6
    return sw.toString();
    Precondition Violations (11)
    Row Violation
    1Expression new PrintWriter(sw) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new PrintWriter(sw,true) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression log(sw.toString(),Project.MSG_ERR) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression pw.flush() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression log(sw.toString(),Project.MSG_ERR) is a void method call, and thus it cannot be parameterized
    6Expression pw.flush() is a void method call, and thus it cannot be parameterized
    7Expression log(sw.toString(),Project.MSG_ERR) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression pw.flush() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression log(sw.toString(),Project.MSG_ERR) is a void method call, and thus it cannot be parameterized
    10Expression pw.flush() is a void method call, and thus it cannot be parameterized
    11Clone fragment #1 returns variables , while Clone fragment #2 returns variables sw