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https://issues.apache.org/jira/browse/NETBEANS-3335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17021951#comment-17021951
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Anton Artemov commented on NETBEANS-3335:
-----------------------------------------
Tab key causes an error to
> NB 11.2 NullPointerException - Enter key doesn't work in editor in certain
> files
> --------------------------------------------------------------------------------
>
> Key: NETBEANS-3335
> URL: https://issues.apache.org/jira/browse/NETBEANS-3335
> Project: NetBeans
> Issue Type: Bug
> Components: web - HTML Editor
> Affects Versions: 11.2
> Environment: Windows 10 64-bit, JDK 11.0.1 and 13.0.1
> Reporter: Michal Koscielny
> Assignee: Matthias Bläsing
> Priority: Critical
> Labels: pull-request-available
> Fix For: 11.3
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> I've just tried NetBeans 11.2 for PHP projects and this version appears to be
> unusable for PHP due to lots of NPE errors, which in effect prevent the Enter
> key from working in the editor. It looks like certain code structures trigger
> the NPE's. So far I've come across them in js and tpl (Smarty) files. And I
> have a way of reproducing the problem:
> # Create a new PHP project or open an existing one.
> # Create a new Smarty .tpl file (or open an existing one).
> # In the editor paste this code:
> {code:java}
> <a {if $smarty.server.REQUEST_URI|strstr:"/new"}class="underline"{/if}
> href="{url('new')}">{code}
> # Try pressing Enter anywhere in the editor - an NPE comes up and the Enter
> key does not work.
> There seem to be more code samples that trigger the error but for now I'm
> reporting the first one that caught my attention. Here is the error:
> {code:java}
> java.lang.NullPointerExceptionjava.lang.NullPointerException at
> org.netbeans.lib.html.lexer.HtmlLexer.equals(HtmlLexer.java:1557) at
> org.netbeans.lib.html.lexer.HtmlLexer.nextToken(HtmlLexer.java:1051) at
> org.netbeans.lib.lexer.LexerInputOperation.nextToken(LexerInputOperation.java:191)
> at
> org.netbeans.lib.lexer.BatchTokenList.tokenOrEmbeddingImpl(BatchTokenList.java:171)
> at org.netbeans.lib.lexer.BatchTokenList.tokenCount(BatchTokenList.java:122)
> at org.netbeans.api.lexer.TokenSequence.moveEnd(TokenSequence.java:607) at
> org.netbeans.modules.html.editor.lib.ElementsParser.forTokenIndex(ElementsParser.java:106)
> at
> org.netbeans.modules.html.editor.lib.api.elements.ElementsIterator.<init>(ElementsIterator.java:63)
> at
> org.netbeans.modules.html.editor.lib.api.SyntaxAnalyzer.<init>(SyntaxAnalyzer.java:57)
> at
> org.netbeans.modules.html.editor.lib.api.SyntaxAnalyzer.create(SyntaxAnalyzer.java:53)
> at
> org.netbeans.modules.html.editor.indent.HtmlIndenter.<init>(HtmlIndenter.java:63)
> at
> org.netbeans.modules.html.editor.indent.HtmlIndentTask.<init>(HtmlIndentTask.java:40)
> at
> org.netbeans.modules.html.editor.indent.HtmlIndentTaskFactory.createTask(HtmlIndentTaskFactory.java:32)
> at
> org.netbeans.modules.editor.indent.TaskHandler$MimeItem.createTask(TaskHandler.java:531)
> at
> org.netbeans.modules.editor.indent.TaskHandler.addItem(TaskHandler.java:315)
> at
> org.netbeans.modules.editor.indent.TaskHandler.collectTasks(TaskHandler.java:133)
> at
> org.netbeans.modules.editor.indent.IndentImpl.indentLock(IndentImpl.java:136)
> at org.netbeans.modules.editor.indent.api.Indent.lock(Indent.java:91) at
> org.netbeans.editor.BaseKit$InsertBreakAction.actionPerformed(BaseKit.java:1518)
> at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:322) at
> java.desktop/javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1810)
> at
> java.desktop/javax.swing.JComponent.processKeyBinding(JComponent.java:2900)
> at
> java.desktop/javax.swing.JComponent.processKeyBindings(JComponent.java:2948)
> at java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2862)
> at java.desktop/java.awt.Component.processEvent(Component.java:6413) at
> java.desktop/java.awt.Container.processEvent(Container.java:2263) at
> java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5012) at
> java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321) at
> java.desktop/java.awt.Component.dispatchEvent(Component.java:4844) 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:4893) at
> java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321) at
> java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2762) at
> java.desktop/java.awt.Component.dispatchEvent(Component.java:4844) 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$4.run(EventQueue.java:715) at
> java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
> at
> java.base/java.security.ProtectionDomain$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$5.run(EventQueue.java:743) at
> java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
> at
> java.base/java.security.ProtectionDomain$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){code}
> I'm using Windows 10 64-bit and the zipped Netbeans 11.2. I tried running on
> jdk 11.0.1 and 13.0.1 - didn't make any difference. The error occurs even on
> fresh NetBeans installation (without importing previous settings) without any
> plugins apart from the default PHP plugins available under the "PHP" checkbox
> under Plugins/Installed tab.
> I don't know exactly when the bug first appeared since I skipped 11.1. I'm
> now back to 11.0.
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