Problems using jdk 1.4.0-beta 2 with JDeveloper 3.2.3

I've problems using the jdk 1.4.0-beta 2 with JDeveloper 3.2.3.

Used jdk 1.3.1 before, evertything worked correctly, accept a smal prob with the minimize- and maximize-icons of JInternalframe.

Got mail that this would be solved with new jdk.

But when i define new JDK in JDeveloper and try to compile i get the following message:

Error: (0) initialization error: class Error const *: class file has wrong version 48.0, should be 45.3 or 46.0.

If i compile the code from the commandline with javac myself it compiles correctly and the program runs fine.

can anyone help?

[621 byte] By [ermans] at [2007-9-26 5:30:54]