Index: src/org/python/core/PySystemState.java
===================================================================
--- src/org/python/core/PySystemState.java	(revision 3414)
+++ src/org/python/core/PySystemState.java	(working copy)
@@ -148,7 +148,12 @@
         return new PyTuple(new PyObject[] {exc.type, exc.value,
                                            exc.traceback});
     }
-
+    
+    public static PyObject exc_clear() {
+    	Py.getThreadState().exception = null;
+    	return Py.None;    	    
+    }
+    
     public static PyFrame _getframe() {
         return _getframe(-1);
     }
Index: Lib/test/test_sys.py
===================================================================
--- Lib/test/test_sys.py	(revision 3414)
+++ Lib/test/test_sys.py	(working copy)
@@ -262,10 +262,6 @@
         del SysModuleTest.test_lost_displayhook
         del SysModuleTest.test_refcount
         del SysModuleTest.test_setcheckinterval
-# Jython transition 2.3
-# sys.exc_clear is missing
-# http://jython.org/bugs/1768982
-        del SysModuleTest.test_exc_clear
     test.test_support.run_unittest(SysModuleTest)
 
 if __name__ == "__main__":