On 2/15/2013 10:52 AM, Oskar Zinger wrote:
Now - I get the following:

It cannot find core java.lang package - even though I have specified rt.jar

C:\Apache\db-derby-10.8.3.0-src>ant -quiet buildsource
    [javac] Fatal Error: Unable to find package java.lang in classpath or bootclasspath

Please add

printCompilerProperties=true
Please cut and paste your local.properties

and run

ant buildsource

 (no quiet)  and cut and send the full output.