[CAY-2603] NPE reloading project in the model

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.1.RC1
• Fix Version/s: 4.1.RC1, 4.2.M1
• Component/s: Modeler
• Environment: 4.1.B3-SNAPSHOT, Jul 19 2019 build
• Assignee: Unassigned
• Reporter: Andrus Adamchik
• Created: 31/Jul/19 20:47
• Updated: 03/Sep/19 07:56
• Resolved: 01/Aug/19 15:10

Description

1. I have a project open in the Modeler, class generation view.
2. From the terminal I did "git checkout -f" to undo my local changes. This removed one of the new entities
3. The modeler correctly suggested me to reload the project, which I did.

Result: error dialog with the following exception:

—
CayenneModeler Info
Version: 4.1.B3-SNAPSHOT
Build Date: Jul 19 2019 11:42:53
Exception:
=================================
java.lang.NullPointerException
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorControllerBase.getSelectedEntities(CodeGeneratorControllerBase.java:263)
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorControllerBase.updateEntities(CodeGeneratorControllerBase.java:405)
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorControllerBase.updateSelectedEntities(CodeGeneratorControllerBase.java:392)
at org.apache.cayenne.modeler.editor.cgen.ClassesTabController.classSelectedAction(ClassesTabController.java:117)
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorController.generatorSelectedAction(CodeGeneratorController.java:135)
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorController.initBindings(CodeGeneratorController.java:123)
at org.apache.cayenne.modeler.editor.cgen.CodeGeneratorController.<init>(CodeGeneratorController.java:69)
at org.apache.cayenne.modeler.editor.DataMapTabbedView.initView(DataMapTabbedView.java:66)
at org.apache.cayenne.modeler.editor.DataMapTabbedView.<init>(DataMapTabbedView.java:50)
at org.apache.cayenne.modeler.editor.EditorView.initView(EditorView.java:225)
at org.apache.cayenne.modeler.editor.EditorView.<init>(EditorView.java:165)
at org.apache.cayenne.modeler.CayenneModelerController.projectOpenedAction(CayenneModelerController.java:215)
at org.apache.cayenne.modeler.action.OpenProjectAction.openProjectResourse(OpenProjectAction.java:184)
at org.apache.cayenne.modeler.action.OpenProjectAction.openProject(OpenProjectAction.java:175)
at org.apache.cayenne.modeler.ProjectFileChangeTracker$1.run(ProjectFileChangeTracker.java:113)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)