Re: [OT] PropertyUtils internals (Re: Select Multiple Issues)

[Joe Germuska]

Yeah, I wonder about that bug: we've recently been moving some 
application servers from Solaris to Linux, and I think this is a JVM 
level issue.  Just before we started, someone had posted about this 
to the Struts users' list (although I can't seem to find it in the 
archives right now.)  Basically, it seemed that the introspection 
behaved differently on Linux than on some other OS.  Odd as it seems, 
we experienced the same problem moving from Solaris to Linux, even 
using the same version of the Hotspot JVM.  It seemed to go back to a 
property which was actually a List and not an array, and I assumed it 
had to do with some subtle variation in the interpretation of the 
javabeans naming conventions.

This may or may not be exactly the same thing as in Bug 28358, but it 
was peculiar.  In this case, we were able to simply move a few things 
around, but it was disconcerting to think that we might be bitten by 
issues like this in migrating 100% pure java.

Joe
At 9:05 AM -0700 1/25/05, Wendy Smoak wrote:
From: "Joe Germuska" <[EMAIL PROTECTED]>
 I haven't actually looked at this in a running debugger, or with log
 output, but the code which governs this ultimately is
 PropertyUtilsbean.setIndexedProperty(...)
I found what I think is an open bug about the original issue that was
raised-- BeanUtils being unable to set a property when both setProp(int,
String) and setProp( String[]).  (Actually the bug is about the 'get' side
of the problem, but I'm betting it's the same issue.)
http://issues.apache.org/bugzilla/show_bug.cgi?id=28358
I added the beginnings of a test case to demonstrate the problem with
setting an indexed property when the bean has both setProp(String[]) and
setProp(int, String) methods.  It fails with the same 'argument type
mismatch' that Will Stranathan was getting.
--
Wendy Smoak
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Joe Germuska            
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http://blog.germuska.com    
"Narrow minds are weapons made for mass destruction"  -The Ex

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