Hi,
Following the tutorial, I compiled the Oscilloscope java code and got the
warnings which I think was probably harmless:
----------------------------------------- Warnings
----------------------------------------------------------------
mig -target=null -java-classname=OscilloscopeMsg java ../Oscilloscope.h
oscilloscope -o OscilloscopeMsg.java
ncg -target=null -java-classname=Constants java ../Oscilloscope.h NREADINGS
DEFAULT_INTERVAL -o Constants.java
javac *.java
----------
1. WARNING in ColorCellEditor.java (at line 17)
public class ColorCellEditor extends AbstractCellEditor
^^^^^^^^^^^^^^^
The serializable class ColorCellEditor does not declare a static final
serialVersionUID field of type long
----------
----------
2. WARNING in Data.java (at line 11)
import java.util.*;
^^^^^^^^^
The import java.util is never used
----------
----------
3. WARNING in Graph.java (at line 13)
import java.awt.event.*;
^^^^^^^^^^^^^^
The import java.awt.event is never used
----------
4. WARNING in Graph.java (at line 16)
import java.util.*;
^^^^^^^^^
The import java.util is never used
----------
5. WARNING in Graph.java (at line 19)
class Graph extends JPanel
^^^^^
The serializable class Graph does not declare a static final
serialVersionUID field of type long
----------
----------
6. WARNING in Window.java (at line 37)
class MoteTableModel extends AbstractTableModel {
^^^^^^^^^^^^^^
The serializable class MoteTableModel does not declare a static final
serialVersionUID field of type long
----------
7. WARNING in Window.java (at line 112)
static class MoteColor extends JLabel implements TableCellRenderer {
^^^^^^^^^
The serializable class MoteColor does not declare a static final
serialVersionUID field of type long
--------------------- End of Warnings
-----------------------------------------------------------------
But when I tried to launch by "./run", it failed:
Exception in thread "main" java.awt.AWTError: No suitable parent found for
Component.
at javax.swing.JColorChooser.createDialog(libgcj.so.90)
at ColorCellEditor.<init>(ColorCellEditor.java:25)
at Window.setup(Window.java:166)
at Oscilloscope.run(Oscilloscope.java:54)
at Oscilloscope.main(Oscilloscope.java:128)
I suspect it might be something wrong with my *CLASSPATH*:
.:/opt/tinyos-2.1.0/support/sdk/java/tinyos.jar:/usr/lib/jvm/java-1.5.0-sun-1.5.0.18/jre/lib
Any comments?
Thanks.
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