Hi All,
I seem to be inexplicably running into TAP5-299
(https://issues.apache.org/jira/browse/TAP5-299), even though I'm not
doing that.

Code is below. If anything exists in the "selected" listed, I get an NPE.

Am I doing something wrong?

-----------------------------------------------------public class EditQuery {
  @Inject private QueryService queryService;
  @Inject private CategoryService categoryService;
  @Inject private Messages messages;

  @InjectPage private Queries queries;

  @Persist private Query query;

  @Property private final ValueEncoder<Category> encoder = new
CategoryValueEncoder(categoryService);

  @Property private final SelectModel model = new
CategorySelectModel(categoryService.getCategories());

  @Persist @Property private List<Category> selected;

  void onActivate() {
    selected = new ArrayList<Category>();
    selected.addAll(query.getCategories());
  }
  Object onActionFromCategoriesForm(){
    query.getCategories().clear();
    query.getCategories().addAll(selected);
    queryService.saveQuery(query);
    return queries;
  }
  public Query getQuery() {
    return query;
  }

  public void setQuery(Query query) {
    this.query = query;
  }

}
--------------------------------------
public class CategoryValueEncoder implements ValueEncoder<Category>{
 private CategoryService categoryService;

 public CategoryValueEncoder(CategoryService categoryService){
   this.categoryService = categoryService;
 }

 public String toClient(Category arg0) {
   return arg0.getCategoryName();
 }

 public Category toValue(String arg0) {
   return categoryService.getCategory(arg0);
 }


}
--------------------------------
public class CategorySelectModel implements SelectModel {
 private List<OptionModel> categories;
 
 public CategorySelectModel(List<Category> categories){
   this.categories = new ArrayList<OptionModel>();
   for (Category category : categories){
     this.categories.add(new
OptionModelImpl(category.getCategoryName(),category));
   }
 }
 
 public List<OptionGroupModel> getOptionGroups() {
   return new ArrayList<OptionGroupModel>();
 }

 public List<OptionModel> getOptions() {
   return categories;
 }

 public void visit(SelectModelVisitor arg0) {
   for (OptionModel category : categories){
     arg0.option(category);
   }
 }

}

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