[NETBEANS-575] Code Generator Failed to "Generate Instance" method

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 9.0
• Component/s: editor - Refactoring, java - Source
• Labels: Regression code-generation editor java-editor

Environment

from about window

Product Version: Apache NetBeans IDE Dev (Build incubator-netbeans-release-205-on-20180202)
Updates: NetBeans IDE is updated to version NetBeans 8.2 Patch 2
Java: 10; Java HotSpot(TM) 64-Bit Server VM 10+46
Runtime: Java(TM) SE Runtime Environment 10+46
System: Windows 10 version 10.0 running on amd64; Cp1252; en_AU (nb)
User directory: Z:\tmp\.other\user\netbeans\v09.00-beta\watchdog
Cache directory: Z:\tmp\.other\cache\netbeans\watchdog-09

• Assignee: Unassigned
• Reporter: aplatypus
• Created: 03/Apr/18 02:05
• Updated: 03/Apr/18 02:05

Description

Expected

• Use ALT/Insert to generate missing interface method
• Select "Implement Method"
• Select 2 x methods to be generate
  • One method does NOT exist
  • Another method Did exist
• Press Generate
• Generate the absent method(s)
• Display some kind of error message for existing method(s).

Actual

• GeneratorUtils crashed
• Nothing happened – Especially no message to tell me nothing was generated.

supporting material

Stack Dump follows ....

org.netbeans.modules.java.editor.codegen.GeneratorUtils$DuplicateMemberException: Class member already exists
	at org.netbeans.modules.java.editor.codegen.GeneratorUtils.insertClassMembers(GeneratorUtils.java:173)
	at org.netbeans.modules.java.editor.codegen.GeneratorUtils.generateAbstractMethodImplementations(GeneratorUtils.java:94)
	at org.netbeans.modules.java.editor.codegen.ImplementOverrideMethodGenerator$3.run(ImplementOverrideMethodGenerator.java:299)
	at org.netbeans.modules.java.editor.codegen.ImplementOverrideMethodGenerator$3.run(ImplementOverrideMethodGenerator.java:279)
	at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:672)
	at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:662)
	at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:501)
	at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)
	at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)
	at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)
	at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)
	at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)
	at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
	at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
	at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
	at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
	at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)
	at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)
	at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:451)
	at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:422)
	at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:683)
	at org.netbeans.modules.java.editor.codegen.ImplementOverrideMethodGenerator.invoke(ImplementOverrideMethodGenerator.java:279)
	at org.netbeans.modules.editor.codegen.GenerateCodePanel.invokeSelected(GenerateCodePanel.java:165)
	at org.netbeans.modules.editor.codegen.GenerateCodePanel.listKeyPressed(GenerateCodePanel.java:121)
	at org.netbeans.modules.editor.codegen.GenerateCodePanel.access$200(GenerateCodePanel.java:41)
	at org.netbeans.modules.editor.codegen.GenerateCodePanel$4.keyPressed(GenerateCodePanel.java:95)
	at java.desktop/java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:258)
	at java.desktop/java.awt.Component.processKeyEvent(Component.java:6547)
	at java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2849)
	at java.desktop/java.awt.Component.processEvent(Component.java:6366)
	at java.desktop/java.awt.Container.processEvent(Container.java:2260)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4966)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2318)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4798)
	at java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1950)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:871)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1140)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1010)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:836)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4847)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2318)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4798)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
	at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
	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:87)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
[catch] 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)