Build: jfreeciv FAILED to build

The Build for jfreeciv failed on 2001-10-30 at 03:00:01. The build log is below:

Buildfile: build.xml

init:
     [echo] jfreeciv build started October 30 2001 at 0300

pullsrc:

copyfiles:

src:
    [mkdir] Created dir: /home/buildman/build/jfreeciv/class
    [javac] Compiling 256 source files to /home/buildman/build/jfreeciv/class
    [javac] /home/buildman/build/jfreeciv/src/org/freeciv/client/ui/UnitStackDisplay.java:12: duplicate class: org.freeciv.client.UnitStackDisplay
    [javac] public class UnitStackDisplay extends JComponent
    [javac]        ^
    [javac] /home/buildman/build/jfreeciv/src/org/freeciv/client/MainWindow.java:19: org.freeciv.client.ui.UnitStackDisplay is not public in org.freeciv.client.ui; cannot be accessed from outside package
    [javac] import org.freeciv.client.ui.UnitStackDisplay;  // needed for compile -JR
    [javac]                              ^
    [javac] /home/buildman/build/jfreeciv/src/org/freeciv/client/Client.java:487: cannot resolve symbol
    [javac] symbol  : method close  ()
    [javac] location: class org.freeciv.net.OutStream
    [javac]       out.close();
    [javac]          ^
    [javac] Note: /home/buildman/build/jfreeciv/src/org/gjt/abies/StdIn.java uses or overrides a deprecated API.
    [javac] Note: Recompile with -deprecation for details.
    [javac] 3 errors

BUILD FAILED

/home/buildman/build/jfreeciv/build.xml:79: Compile failed, messages should have been provided.

Total time: 29 seconds