#8994 Bulk loader API + PG stub

plugins/org.jkiss.dbeaver.ext.postgresql/src/org/jkiss/dbeaver/ext/postgresql/model/PostgreCopyLoader.java

@@ -46,7 +46,7 @@ public class PostgreCopyLoader implements DBSDataBulkLoader, DBSDataBulkLoader.B
             Object driverInstance = session.getDataSource().getContainer().getDriver().getDriverInstance(session.getProgressMonitor());
             Object copyManager = Class.forName("CopyManager", true, driverInstance.getClass().getClassLoader()).getConstructor().newInstance();
         } catch (Exception e) {
-
+            throw new DBCException("Can't instantiate CopyManager", e);
         }
         return this;
 //        new CopyManager((BaseConnection) conn)