Comment 8 for bug 1047762

Reinstalling tzdata-java worked for me after updating openjdk-7 in the last few hours:

sudo apt-get --reinstall install tzdata-java

It was the only thing I did to fix the bug for me. I didn't modify the manually installed Eclipse Juno (4.2) that I was running when I noticed the bug, and the NullPointerException was reproducible using the following java file--compiled and run on the command line--up until I reinstalled tzdata-java:

    import java.util.TimeZone;

    public class TZTest {
        public static void main(String args[]) {
            String[] availableIds = TimeZone.getAvailableIDs();
           System.out.println("Length: "+availableIds.length);
            for (int i = 0; i < availableIds.length; i++) {
                System.out.println("ID #"+i+": "+availableIds[i]);
            }
        }
    }