KERNEL-6188 补充泛型

designer-base/src/main/java/com/fr/design/data/datapane/connect/DatabaseConnectionPane.java

@@ -131,7 +131,7 @@ public abstract class DatabaseConnectionPane<E extends com.fr.data.impl.Connecti
         public void actionPerformed(ActionEvent evt) {
 
             // Try the java connection.
-            final SwingWorker<Boolean, Void> connectionThread = new SwingWorker<>() {
+            final SwingWorker<Boolean, Void> connectionThread = new SwingWorker<Boolean, Void>() {
                 @Override
                 protected Boolean doInBackground() throws Exception {
                     Connection database = DatabaseConnectionPane.this.updateBean();