===================================================================
RCS file: /home/cvs/OpenXM/src/OpenMath/OMproxy.java,v
retrieving revision 1.22
retrieving revision 1.24
diff -u -p -r1.22 -r1.24
--- OpenXM/src/OpenMath/OMproxy.java	2000/01/19 15:32:50	1.22
+++ OpenXM/src/OpenMath/OMproxy.java	2000/01/20 18:14:32	1.24
@@ -1,5 +1,5 @@
 /**
- * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.21 2000/01/19 15:21:58 tam Exp $
+ * $OpenXM: OpenXM/src/OpenMath/OMproxy.java,v 1.23 2000/01/20 16:40:13 tam Exp $
  */
 
 import JP.ac.kobe_u.math.tam.OpenXM.*;
@@ -34,7 +34,7 @@ class OMproxy implements Runnable{
 	  debug("push: "+ stack.peek());
 	  break;
 	}
-      }catch(Exception e){
+      }catch(Throwable e){
 	System.err.println(e.getMessage());
 	e.printStackTrace();
 	debug("error occured. stack was cleared.");
@@ -57,11 +57,15 @@ class OMproxy implements Runnable{
   */
 
   private void SM_popCMO() throws java.io.IOException{
-    if(stack.empty()){
-      ox.send(new CMO_NULL());
-    }else{
-      debug("sending CMO: "+ stack.peek());
-      ox.send(stack.pop());
+    try{
+      if(stack.empty()){
+	ox.send(new CMO_NULL());
+      }else{
+	debug("sending CMO: "+ stack.peek());
+	ox.send(stack.pop());
+      }
+    }catch(MathcapViolation e){
+      stack.push(new CMO_STRING(e.getMessage()));
     }
   }