[NETBEANS-2978] Assertion error in code completion in Java code

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: 11.1, 11.2, 11.3
• Fix Version/s: 12.0
• Component/s: java - Editor
• Labels: autocomplete autocompletion codecompletion nbjavac
• Assignee: Unassigned
• Reporter: Petr Miksik
• Created: 13/Aug/19 14:50
• Updated: 05/Feb/21 20:59
• Resolved: 01/Jun/20 19:16

Description

The exception occurs after selecting an item from the provided "Code completion" list and nothing is inserted into code.

How to reproduce:

public class XXX {
    private static class CellRenderer implements TableCellRenderer {

        @Override
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
            JLabel result = new JLabel <-- code completion fails here
            JLabel result2 = new JLabel <-- it works on this line already. Only the first line is not working
        }
    }
}

java.lang.AssertionError
	at com.sun.tools.javac.util.Assert.error(Assert.java:155)
	at com.sun.tools.javac.util.Assert.check(Assert.java:46)
	at com.sun.tools.javac.code.Scope$ScopeImpl.dble(Scope.java:410)
	at com.sun.tools.javac.code.Scope$ScopeImpl.enter(Scope.java:433)
	at com.sun.tools.javac.comp.MemberEnter.visitVarDef(MemberEnter.java:480)
	at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:972)
	at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:172)
	at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:1191)
	at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:972)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:674)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:754)
	at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:778)
	at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1357)
	at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:78)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1036)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:674)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:754)
	at org.netbeans.api.java.source.TreeUtilities.attributeTree(TreeUtilities.java:892)
	at org.netbeans.api.java.source.TreeUtilities.attributeTree(TreeUtilities.java:822)
	at org.netbeans.modules.editor.java.JavaCodeTemplateProcessor.type(JavaCodeTemplateProcessor.java:718)
	at org.netbeans.modules.editor.java.JavaCodeTemplateProcessor.getProposedValue(JavaCodeTemplateProcessor.java:433)
	at org.netbeans.modules.editor.java.JavaCodeTemplateProcessor.updateDefaultValues(JavaCodeTemplateProcessor.java:145)
	at org.netbeans.lib.editor.codetemplates.CodeTemplateInsertHandler.processTemplate(CodeTemplateInsertHandler.java:225)
	at org.netbeans.lib.editor.codetemplates.CodeTemplateManagerOperation.insert(CodeTemplateManagerOperation.java:273)
	at org.netbeans.lib.editor.codetemplates.api.CodeTemplate.insert(CodeTemplate.java:82)
	at org.netbeans.modules.editor.java.JavaCompletionItem.process(JavaCompletionItem.java:570)
	at org.netbeans.modules.editor.java.JavaCompletionItem.defaultAction(JavaCompletionItem.java:290)
	at org.netbeans.modules.editor.completion.CompletionImpl.dispatchKeyEvent(CompletionImpl.java:785)
	at org.netbeans.modules.editor.completion.CompletionImpl.keyPressed(CompletionImpl.java:386)
	at java.desktop/java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:258)
	at java.desktop/java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:257)
	at java.desktop/java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:257)
	at java.desktop/java.awt.Component.processKeyEvent(Component.java:6590)
	at java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2849)
	at java.desktop/java.awt.Component.processEvent(Component.java:6409)
	at java.desktop/java.awt.Container.processEvent(Container.java:2263)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5008)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4840)
	at java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1950)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:870)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1139)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1009)
	at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:835)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4840)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
	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.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	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:85)
	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)

Issue Links

• duplicates: NETBEANS-2494 autocomplete deletes instead of completes
• is duplicated by: NETBEANS-2494 autocomplete deletes instead of completes
• is duplicated by: NETBEANS-4193 Intellisense doesn't type selected code to editor