if (err != null) { createProcessErrorPump(is, err); }
if (classLoader != null) { classLoader.cleanup(); classLoader = null; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/PumpStreamHandler.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
Method name: void setProcessErrorStream(InputStream) Method name: void deleteClassLoader()
Number of AST nodes: 2 Number of AST nodes: 3
1
if (err != null) {
1
if (classLoader != null) {
2
            createProcessErrorPump(is, err)
2
            classLoader.cleanup();
3
;
3
            classLoader = null;
4
        }
4
        }
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 comparisons6
  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 fragment1
    Time elapsed for statement mapping (ms)55.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (err != null)
    1
    if (err != null)
    1
    if (classLoader != null)
    Differences
    Expression1Expression2Difference
    errclassLoaderVARIABLE_NAME_MISMATCH
    java.io.OutputStreamorg.apache.tools.ant.AntClassLoaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.OutputStream of variable err does not match with type org.apache.tools.ant.AntClassLoader of variable classLoader
    • Make classes java.io.OutputStream and org.apache.tools.ant.AntClassLoader extend a common superclass
    1
    if (classLoader != null)
    2
    createProcessErrorPump(is, err);
    2
    createProcessErrorPump(is, err);
    2
    classLoader.cleanup();
    Differences
    Expression1Expression2Difference
    createProcessErrorPumpcleanupMETHOD_INVOCATION_NAME_MISMATCH
    createProcessErrorPump(is,err)classLoader.cleanup()ARGUMENT_NUMBER_MISMATCH
    classLoaderMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    Expression classLoader.cleanup() is a void method call, and thus it cannot be parameterized
    Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    Expression classLoader.cleanup() is a void method call, and thus it cannot be parameterized
    2
    classLoader.cleanup();
                                            
    3
    classLoader = null;
    Precondition Violations (5)
    Row Violation
    1Type java.io.OutputStream of variable err does not match with type org.apache.tools.ant.AntClassLoader of variable classLoader
    2Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    3Expression classLoader.cleanup() is a void method call, and thus it cannot be parameterized
    4Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    5Expression classLoader.cleanup() is a void method call, and thus it cannot be parameterized