hi:
     It seems that the main-2.1.x.jar 
version is not correct.  error messages: 
 
 
 [javac] 
----------
       [javac] 1. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureMetricsFactory.java 
(at line 19)
       [javac]  import 
org.geotools.data.FeatureSource;
       [javac] 
        
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       [javac] 
The import org.geotools.data.FeatureSource cannot be 
resolved
       [javac] 
----------
       [javac] 2. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureMetricsFactory.java 
(at line 47)
       [javac]  return 
toolkit.getLayer().isType(FeatureSource.class);
       
[javac] 
                                  
^^^^^^^^^^^^^
       [javac] FeatureSource 
cannot be resolved to a type
       [javac] 
----------
       [javac] 
----------
       [javac] 3. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureRenderer.java 
(at line 0)
       [javac] 
 /*
       [javac] 
 ^
       [javac] The type 
org.geotools.data.Query cannot be resolved. It is indirectly referenced from 
required .class files
       [javac] 
----------
       [javac] 4. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureRenderer.java 
(at line 28)
       [javac]  import 
org.geotools.data.DefaultQuery;
       [javac] 
        
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       [javac] 
The import org.geotools.data.DefaultQuery cannot be 
resolved
       [javac] 
----------
       [javac] 5. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureRenderer.java 
(at line 29)
       [javac]  import 
org.geotools.data.FeatureResults;
       
[javac]         
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       [javac] 
The import org.geotools.data.FeatureResults cannot be 
resolved
       [javac] 
----------
       [javac] 6. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureRenderer.java 
(at line 30)
       [javac]  import 
org.geotools.data.FeatureSource;
       [javac] 
        
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       [javac] 
The import org.geotools.data.FeatureSource cannot be 
resolved
       [javac] 
----------
       [javac] 7. ERROR in 
F:\project\udig\udig\trunk\plugins\net.refractions.udig.render.feature.basic\src\net\refractions\udig\render\internal\feature\basic\BasicFeatureRenderer.java 
(at line 240)
       [javac]  private 
class BasicRenderListener implements 
RenderListener{
       [javac] 
                                              
^^^^^^^^^^^^^^
       [javac] RenderListener 
cannot be resolved to a type
 
   
 
 any help? thanks at first!
 
 
calvin xie