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https://issues.apache.org/jira/browse/LANG-1544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17228450#comment-17228450
 ] 

Arturo Bernal commented on LANG-1544:
-------------------------------------

Hi [~RobertBudda]

 

I have tried to reproduce the error but I can't.
{code:java}
@Test
public void testMethodABG() throws IllegalAccessException, 
InstantiationException, NoSuchMethodException, InvocationTargetException, 
ClassNotFoundException {
 Class c = Class.forName("org.apache.commons.lang3.builderClass1");
 Object o = c.newInstance();
 System.out.println(o);
 String value = (String) MethodUtils.invokeMethod(o, "testMethod");
 System.out.println("Results from getValue: " + value);
}

class Class1 {

 public String testMethod() {
 return "ABG";
 }

}{code}
 

 

> MethodUtils.invokeMethod NullPointerException in case of null in args list
> --------------------------------------------------------------------------
>
>                 Key: LANG-1544
>                 URL: https://issues.apache.org/jira/browse/LANG-1544
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.reflect.*
>    Affects Versions: 3.10
>            Reporter: Peter Nagy
>            Priority: Critical
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> MethodUtils:774
>  
> if (classArray[offset].equals(toClassArray[offset])) {
>  continue;
> } else if (ClassUtils.isAssignable(classArray[offset], toClassArray[offset], 
> true)
>  
> cause NPE if classArray[offset] is null. Can you please extend the if 
> condition with a null check, like this?
>  
> if (classArray[offset] != null && 
> classArray[offset].equals(toClassArray[offset]))



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