Objects refresh fix

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/entity/properties/ObjectPropertiesEditor.java

@@ -383,7 +383,9 @@ public class ObjectPropertiesEditor extends AbstractDatabaseObjectEditor<DBSObje
 
     @Override
     public void refreshPart(Object source, boolean force) {
-        propertiesPanel.refreshPart(source, force);
+        if (propertiesPanel != null) {
+            propertiesPanel.refreshPart(source, force);
+        }
         if (folderComposite != null && folderComposite.getFolders() != null) {
             for (TabbedFolderInfo folder : folderComposite.getFolders()) {
                 if (folder.getContents() instanceof IRefreshablePart) {

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/AbstractObjectCache.java

@@ -269,7 +269,9 @@ public abstract class AbstractObjectCache<OWNER extends DBSObject, OBJECT extend
                     final Object srcValue = field.get(srcObject);
                     final Object dstValue = field.get(dstObject);
                     if (DBSObjectCache.class.isAssignableFrom(field.getType())) {
-                        ((DBSObjectCache)dstValue).clearCache();
+                        if (dstValue != null) {
+                            ((DBSObjectCache) dstValue).clearCache();
+                        }
                     } else {
                         if (Modifier.isFinal(modifiers)) {
                             // Can't copy final. Let's try to make recursive copy