[Tinyos-help] tinydb compiling error

[Stephen Chou]

Dear all,
When I try to compile tinydb, 5 error appear as following. How can I
deal with it? Many thanks.

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javac MoteSimObjectGenerator.java
C:\tinyos\cygwin\opt\tinyos-1.x\tools\java\net\tinyos\sim\SimObjectGenerator.jav
a:61: cannot find symbol
symbol  : method getSimState()
location: class net.tinyos.sim.TinyViz
        this.state = tv.getSimState();
                       ^
C:\tinyos\cygwin\opt\tinyos-1.x\tools\java\net\tinyos\sim\SimObjectGenerator.jav
a:62: cannot find symbol
symbol  : method getEventBus()
location: class net.tinyos.sim.TinyViz
        this.eventBus = tv.getEventBus();
                          ^
C:\tinyos\cygwin\opt\tinyos-1.x\tools\java\net\tinyos\sim\SimObjectGenerator.jav
a:64: cannot find symbol
symbol  : constructor SimObjectPopupMenu(net.tinyos.sim.TinyViz,net.tinyos.sim.S
imObjectGenerator)
location: class net.tinyos.sim.SimObjectPopupMenu
        this.popup = new SimObjectPopupMenu(tv, this);
                     ^
MoteSimObjectGenerator.java:52: cannot find symbol
symbol  : method getSimState()
location: class net.tinyos.sim.TinyViz
    this.state = tv.getSimState();
                   ^
MoteSimObjectGenerator.java:74: cannot find symbol
symbol  : constructor MoteSimObject(net.tinyos.sim.TinyViz,double,double,int,net
.tinyos.sim.SimObjectPopupMenu)
location: class net.tinyos.sim.MoteSimObject
    MoteSimObject m = new MoteSimObject(tv, x, y, id, popup);
                      ^
5 errors
make[1]: *** [MoteSimObjectGenerator.class] Error 1
make[1]: Leaving directory `/opt/tinyos-1.x/tools/java/net/tinyos/sim'
make: *** [sim] Error 2
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