major
minor
major
minor
#26382
Error messages "Duplicate tag name..." when starting an application in the IDE from a TL-Studio
#26405
TTypeRewriter logs warning "Unable to resolve items by external reference" also unnecessarily
#26431
Changed superclass relationship leads to changed attribute list in the form editor only after a restart
#26484
In-app template for grid and tables: Function "Verifier for use as list item" does not get component model
#26536
When rendering HTML from TLScript expressions, configured renderers are not taken into account
#26797
Transaction with user input: invisible properties of the form model cannot be assigned values (initialized)
#26885
Constraints on declarative forms with arguments from a container reference lead to errors for new elements
#26921
ClassCastException when evaluating security rules that refer to (non-structuredElement) singletons of a module.
#26922
With generated subject classes, a default provider of an attribute in a non-structure class does not get a create context
#26988
In-app documentation generator does not extract documentation for overwritten config properties
#27027
Declarative forms: SelectField disappears after upload if option list depends on mandatory property
#27042
MaintenanceJspBase should write to the log first, then to the client, instead of the other way around.
defect
When a form is created using the Form Editor and the "External Objects" option is selected, you can configure another form to display the external objects.
If this happens, a NullPointerException occurs:
Caused by: java.lang.NullPointerException
at com.top_logic.element.layout.formeditor.FormEditorUtil.createAnotherMetaAttribute(FormEditorUtil.java:98)
at com.top_logic.element.layout.formeditor.FormEditorUtil.addAnotherMetaAttribute(FormEditorUtil.java:157)
at com.top_logic.element.layout.formeditor.implementation.FieldDefinitionTemplateProvider.createFormMember(FieldDefinitionTemplateProvider.java:391)
at com.top_logic.element.layout.formeditor.implementation.FieldDefinitionTemplateProvider.addMember(FieldDefinitionTemplateProvider.java:339)
at com.top_logic.element.layout.formeditor.implementation.FieldDefinitionTemplateProvider.createDisplayTemplate(FieldDefinitionTemplateProvider.java:140)
at com.top_logic.model.form.implementation.AbstractFormElementProvider.createDesignTemplate(AbstractFormElementProvider.java:139)
at com.top_logic.model.form.implementation.FormElementTemplateProvider.createTemplate(FormElementTemplateProvider.java:42)
at com.top_logic.model.form.implementation.AbstractFormContainerProvider.createContentTemplate(AbstractFormContainerProvider.java:84)
at com.top_logic.model.form.implementation.FormDefinitionTemplateProvider.createDesignTemplate(FormDefinitionTemplateProvider.java:63)
at com.top_logic.element.layout.formeditor.FormEditorEditorControl.createTemplate(FormEditorEditorControl.java:312)
at com.top_logic.element.layout.formeditor.FormEditorEditorControl.writeContent(FormEditorEditorControl.java:279)
at com.top_logic.element.layout.formeditor.FormEditorEditorControl.internalWrite(FormEditorEditorControl.java:273)
at com.top_logic.layout.basic.AbstractControlBase$ScopedRenderer.write(AbstractControlBase.java:1306)
at com.top_logic.layout.basic.AbstractControlBase$ScopedRenderer.write(AbstractControlBase.java:1293)
at com.top_logic.layout.basic.AbstractDisplayContext.renderScoped(AbstractDisplayContext.java:109)
at com.top_logic.layout.basic.AbstractControlBase.write(AbstractControlBase.java:550)
Cause
Since there are no objects in design mode, `tl:FormField`s are created for `tl:AttributeUpdate` in "create" mode. Since no identifiers exist for the objects of the base type and the "foreign type" that are supposed to be created, the system attempts to use the same transient object, which fails.
Solution
Use a "domain" when creating the AttributeUpdate.
Test
- Open the form editor for a type X` != `User Account.
- Select "Objects".
- Here, select the User Account type.
- Configure the form.
- Select the "Username" attribute here.
- Add an attribute of type X.
- Expected result: No NullPointerException occurs.