Re: Input problem with 64-bit Java

On Jul 30, 2009, at 5:11 AM, Thomas Singer wrote:

> A user of our application is reporting that on his Mac (10.5.7) he  
> can't use
> Java applications which are using 64-bit Java (1.6 and 1.5), because  
> he
> can't type anything into normal Swing text fields. Only backspace  
> and enter
> are said to work. Unfortunately, I can't reproduce this problem on our
> machine (10.5.7, too), no matter whether I use Java 1.6 (JVMVersion  
> = 1.4+)
> or Java 1.5 (JVMVersion = 1.5*).
>
> Is this a known problem and somebody knows a solution?

Your user might have a keyboard that relies on having a 32-bit  
InputMethod present in each app's process. I vaguely remember an issue  
with Microsoft keyboards that had 32-bit only drivers around the time  
when we first shipped Java SE 6 in Update 1. To test this theory, can  
you ask your user to use Activity Monitor.app to capture the open file  
list of a 32-bit Java 5 process, and a 64-bit Java 5 process, and see  
if there is a discrepancy between the two lists.

Best of luck,
Mike Swingler
Java Runtime Engineer
Apple Inc.
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