if (t != null) { log(t.getMessage(), t, msgLevel); }
if (perm != null) { perm.setSecurityManager(); } main.invoke(null, argument);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/Task.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/ExecuteJava.java
Method name: void log(Throwable, int) Method name: void run()
Number of AST nodes: 2 Number of AST nodes: 3
1
if (t != null) {
1
if (perm != null) {
2
            log(t.getMessage(), t, msgLevel);
2
                perm.setSecurityManager()
3
        }
3
;
4
            }
5
            main.invoke(null, argument);
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 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 fragment1
    Time elapsed for statement mapping (ms)6.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (t != null)
    1
    if (t != null)
    3
    if (perm != null)
    Differences
    Expression1Expression2Difference
    tpermVARIABLE_NAME_MISMATCH
    java.lang.Throwableorg.apache.tools.ant.types.PermissionsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Throwable of variable t does not match with type org.apache.tools.ant.types.Permissions of variable perm
    • Make classes java.lang.Throwable and org.apache.tools.ant.types.Permissions extend a common superclass
    3
    if (perm != null)
    2
    log(t.getMessage(), t, msgLevel);
    2
    log(t.getMessage(), t, msgLevel);
    4
    perm.setSecurityManager();
    Differences
    Expression1Expression2Difference
    logsetSecurityManagerMETHOD_INVOCATION_NAME_MISMATCH
    log(t.getMessage(),t,msgLevel)perm.setSecurityManager()ARGUMENT_NUMBER_MISMATCH
    permMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression log(t.getMessage(),t,msgLevel) is a void method call, and thus it cannot be parameterized
    Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    Expression log(t.getMessage(),t,msgLevel) is a void method call, and thus it cannot be parameterized
    Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    4
    perm.setSecurityManager();
    Precondition Violations (5)
    Row Violation
    1Type java.lang.Throwable of variable t does not match with type org.apache.tools.ant.types.Permissions of variable perm
    2Expression log(t.getMessage(),t,msgLevel) is a void method call, and thus it cannot be parameterized
    3Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    4Expression log(t.getMessage(),t,msgLevel) is a void method call, and thus it cannot be parameterized
    5Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized