[HARMONY-5780] [drlvm][kernel] NPE in ParameterizedTypeImpl.equals

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0M6
• Component/s: App-Oriented Bug Reports, DRLVM
• Assignee: Alexey Varlamov
• Reporter: Davanum Srinivas
• Created: 23/Apr/08 09:57
• Updated: 26/Jun/09 13:36
• Resolved: 23/Apr/08 11:51

Description

This problem causes a failure in axis2 jaxbri maven module test case.

============== Diagnostic Patch =============

Index: vm/vmcore/src/kernel_classes/javasrc/org/apache/harmony/lang/reflect/implementation/ParameterizedTypeImpl.java
===================================================================
— vm/vmcore/src/kernel_classes/javasrc/org/apache/harmony/lang/reflect/implementation/ParameterizedTypeImpl.java (revision 650806)
+++ vm/vmcore/src/kernel_classes/javasrc/org/apache/harmony/lang/reflect/implementation/ParameterizedTypeImpl.java (working copy)
@@ -48,6 +48,12 @@
return false;
}
}
+ System.out.println("equals 1: " + rawType);
+ System.out.println("equals 2: " + typeOwner);
+ System.out.println("equals 3: " + other);
+ System.out.println("equals 4: " + ((ParameterizedType)other).getRawType());
+ System.out.println("equals 5: " + ((ParameterizedType)other).getOwnerType());
+
return rawType.equals(((ParameterizedType)other).getRawType()) && typeOwner.equals(((ParameterizedType)other).getOwnerType());
}

@@ -102,4 +108,4 @@
}
return sb.toString();
}
-}
\ No newline at end of file
+}

===================== Stack Trace ========================
[dims@dims-desktop test]$java -cp . Main
equals 1: class JAXBElement
equals 2: null
equals 3: JAXBElement<CalendarStringArray>
equals 4: class JAXBElement
equals 5: null
Uncaught exception in main:
java.lang.NullPointerException
at org.apache.harmony.lang.reflect.implementation.ParameterizedTypeImpl.equals(ParameterizedTypeImpl.java:57)
at Main.main(Main.java:24)

========================= Test Case =======================

import java.lang.reflect.Method;
import java.lang.reflect.Type;

public class Main {
public static void main(String[] args) throws Exception {
Method[] methods = CalendarStringArray.class.getDeclaredMethods();
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
for (int j = 0; j < methods.length; j++) {
Method method2 = methods[j];
Type[] types = method.getGenericParameterTypes();
if (types.length <= 0)
continue;
Type parameterType = types[0];
Type returnType = method2.getGenericReturnType();
if (parameterType.equals(returnType))

{ System.out.println(" Method : " + method.getName() + " Method2 : " + method2.getName()); System.out.println(" Type : " + parameterType); }

}
}
}
}

class JAXBElement<T> {
}

class CalendarStringArray {

protected JAXBElement<CalendarStringArray> calendarStringArray;

public JAXBElement<CalendarStringArray> getCalendarStringArray()

{ return calendarStringArray; }

public void setCalendarStringArray(JAXBElement<CalendarStringArray> value)

{ this.calendarStringArray = ((JAXBElement<CalendarStringArray>) value); }

}