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From "Nikolay Bannikov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1733) javax.management.modelmbean.RequiredModelMBean.preRegister(null, null) throws IllegalArgumentException instead of NPE
Date Fri, 06 Oct 2006 03:41:20 GMT
javax.management.modelmbean.RequiredModelMBean.preRegister(null, null) throws IllegalArgumentException
instead of NPE

                 Key: HARMONY-1733
                 URL: http://issues.apache.org/jira/browse/HARMONY-1733
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Nikolay Bannikov
            Priority: Minor

According to J2SE API specifications of javax.management.modelmbean.RequiredModelMBean, method
javax.management.modelmbean.RequiredModelMBean.preRegister(MBeanServer,ObjectName) throws
Exception - This exception will be caught by the MBean server and re-thrown as an MBeanRegistrationException.

Harmony for RequiredModelMBean.preRegister(null, null) throws the IllegalArgumentException
while RI throws NPE.
Compatibility issue.

Test for reproducing:   
import junit.framework.TestCase;
import javax.management.modelmbean.RequiredModelMBean;
import javax.management.MBeanException;
import javax.management.RuntimeOperationsException;

public class Test extends TestCase {       
   public void testRequiredModelMBean_preRegister_null_null() throws RuntimeOperationsException,
MBeanException, Exception { 
	RequiredModelMBean r = new RequiredModelMBean();
	try {
		r.preRegister(null, null);
		fail("NPE should be thrown");
	} catch ( NullPointerException e) {

 Output on Sun 1.5: 
java version "1.5.0_06" 
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05) 
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode) 
Time: 0 
OK (1 test) 

Output on Harmony: 
 Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its
licensors, as applicable. 
java version "1.5.0" pre-alpha : not complete or compatible 
svn = r452710, (Oct 4 2006), Windows/ia32/msvc 1310, release build 

Time: 0.016
There was 1 failure:
1) testRequiredModelMBean_MBeanServer_ObjectName(Test)junit.framework.AssertionFailedError:
NPE should be thrown
        at Test.testRequiredModelMBean_MBeanServer_ObjectName(Test.java:26)
        at java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:25)
Tests run: 1,  Failures: 1,  Errors: 0

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