Java 5 woes

I went ahead and ran the OS X update to get Java 5 as the default. I  
was worried that it would cause problems (our production servers  
still run JVM 1.4.2) and it has.

I updated my build.properties with maven.compile.source=1.4 and  
maven.compile.target=1.4, I set JAVA_HOME so it points to my older  
Java installation, and I even replaced the sym link for /usr/bin/javac.

When I do a build on my machine it runs fine, but when I copy it up  
to one of our app servers, I get a wide variety of "Unsupported  
major.minor version 49.0" errors on a lot of classes, particularly  
every time a tool tries to load in an iframe.

What have I overlooked? Is there a way to verify after the fact that  
my object files were indeed produced by the 1.4.2 compiler?

regards,
Zach A. Thomas
Software Engineer
Texas State University
http://www.txstate.edu

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