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Date: Wed, 4 Jan 2006 14:50:01 +0100 (CET)
From: "mike (JIRA)" <jira@apache.org>
To: velocity-dev@jakarta.apache.org
Subject: [jira] Commented: (VELOCITY-132) IllegalArgumentException while
 calling an overloaded method
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    [ http://issues.apache.org/jira/browse/VELOCITY-132?page=comments#action_12361749 ] 

mike commented on VELOCITY-132:
-------------------------------

I just downloaded the actual nightly src and tested the bug with the files which I included above. The fix dowsn't seem to solve the issue: In the old version (1.4) the output of the test is

Integer
$testobj.foo( $param )

in the patched new version it is
$testobj.foo( $param )
String

which isn't correct either. The correct output should be
Integer
String

I don't think this is a minor bug so it should be fixed in 1.5 if in any case possible. If you need further information about the bug please contact me. 


> IllegalArgumentException while calling an overloaded method
> -----------------------------------------------------------
>
>          Key: VELOCITY-132
>          URL: http://issues.apache.org/jira/browse/VELOCITY-132
>      Project: Velocity
>         Type: Bug
>   Components: Source
>     Versions: 1.3-rc1
>  Environment: Operating System: All
> Platform: All
>     Reporter: MySign
>      Fix For: 1.5
>  Attachments: velocity_patch.patch
>
> If there are two methods with the same name and different parameters like:
> public class myClass
> {
>     public String foo ( Integer intObj );
>     public String foo ( String str );
> }
> and a velocity template like this
> $myObj.foo( $someObj.getNull() )
> $myObj.foo( $str )
> while $someObj.getNull() returns null and $str is a java.lang.String object
> with a String like 'test'. Because velocity caches the first method with the 
> Integer argument on calling with the parameter null (which isn't of course of 
> any type/class) the call fails with the String argument, because velocity tries
> to call the foo( Integer intObj )!
> In the velocity log appears a IllegalArgumentException which is right, but 
> velocity should call the right method!
> mike

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