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Seen in the log INFO [org.netbeans.spi.lexer.MutableTextInput]: !!WARNING!! Missing READ-LOCK when accessing TokenHierarchy: input-source:org.netbeans.modules.editor.NbEditorDocument@47b415fb, mimeType='text/x-java', kitClass=null, length=3102, version=1, file=org.netbeans.modules.java.JavaDataObject@7736ce1a[C:\Users\markiewb\Documents\NetBeansProjects\ReadMeLogicalView\src\main\java\de\markiewb\netbeans\plugins\readmeinprojectview\ReadmeNodeFactory.java@38ed97e9:563c4e89] java.lang.Exception at org.netbeans.lib.lexer.TokenHierarchyOperation.ensureReadLocked(TokenHierarchyOperation.java:397) at org.netbeans.lib.lexer.TokenHierarchyOperation.tokenSequence(TokenHierarchyOperation.java:422) at org.netbeans.lib.lexer.TokenHierarchyOperation.tokenSequence(TokenHierarchyOperation.java:418) at org.netbeans.api.lexer.TokenHierarchy.tokenSequence(TokenHierarchy.java:186) at org.netbeans.api.java.source.SourceUtils.getJavaTokenSequence(SourceUtils.java:147) at org.netbeans.modules.apisupport.project.hyperlink.ApisupportHyperlinkProvider.getIdentifierSpan(ApisupportHyperlinkProvider.java:194) at org.netbeans.modules.apisupport.project.hyperlink.ApisupportHyperlinkProvider.getHyperlinkSpan(ApisupportHyperlinkProvider.java:93) at org.netbeans.modules.apisupport.project.hyperlink.ApisupportHyperlinkProvider.isHyperlinkPoint(ApisupportHyperlinkProvider.java:88) at org.netbeans.lib.editor.hyperlink.HyperlinkOperation.findProvider(HyperlinkOperation.java:290) at org.netbeans.lib.editor.hyperlink.HyperlinkOperation.performAction(HyperlinkOperation.java:264) at org.netbeans.lib.editor.hyperlink.HyperlinkOperation.mouseClicked(HyperlinkOperation.java:445) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:270) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269) at java.awt.Component.processMouseEvent(Component.java:6508) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4501) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:694) at java.awt.EventQueue$3.run(EventQueue.java:692) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:708) at java.awt.EventQueue$4.run(EventQueue.java:706) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:705) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) This issue has been already reported several times in different modules. Search bugzilla for "Missing READ-LOCK when accessing TokenHierarchy" and you will find at least 19 fixed issues. You can adopt their solution. ---- Product Version: NetBeans IDE Dev (Build 201308192300) Updates: Updates available Java: 1.7.0_25; Java HotSpot(TM) 64-Bit Server VM 23.25-b01 Runtime: Java(TM) SE Runtime Environment 1.7.0_25-b16 System: Windows 7 version 6.1 running on amd64; Cp1252; en_US (nb)
*** Bug 227699 has been marked as a duplicate of this bug. ***
https://hg.netbeans.org/core-main/rev/18cc18594e47
Integrated into 'main-silver', will be available in build *201308290001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/18cc18594e47 User: Martin Kozeny <mkozeny@netbeans.org> Log: #234826: Added read lock when accessing TokenHierarchy.