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Bug 230748

Summary:	Warnings from TokenHierarchyOperation when running Java hints
Product:	java	Reporter:	Jesse Glick <jglick>
Component:	Hints	Assignee:	Svata Dedic <sdedic>
Status:	RESOLVED WONTFIX
Severity:	normal	Keywords:	TEST
Priority:	P4
Version:	7.3
Hardware:	PC
OS:	Linux
Issue Type:	DEFECT	Exception Reporter:

Description Jesse Glick 2013-06-04 21:08:47 UTC

When you run a HintTest-based test in newer NB versions you get a bunch of warnings:

… org.netbeans.lib.lexer.TokenHierarchyOperation ensureReadLocked
INFO: !!WARNING!! Missing READ-LOCK when accessing TokenHierarchy: input-source:org.openide.text.FilterDocument@134a241
java.lang.Exception
	at org.netbeans.lib.lexer.TokenHierarchyOperation.ensureReadLocked(TokenHierarchyOperation.java:397)
	at org.netbeans.lib.lexer.TokenHierarchyOperation.isActive(TokenHierarchyOperation.java:357)
	at org.netbeans.api.lexer.TokenHierarchy.isActive(TokenHierarchy.java:356)
	at org.netbeans.modules.parsing.impl.event.EventSupport$DocListener.removeUpdate(EventSupport.java:306)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:458)
	at com.sun.proxy.$Proxy13.removeUpdate(Unknown Source)
	at javax.swing.text.AbstractDocument.fireRemoveUpdate(AbstractDocument.java:260)
	at javax.swing.text.AbstractDocument.handleRemove(AbstractDocument.java:623)
	at javax.swing.text.AbstractDocument$DefaultFilterBypass.remove(AbstractDocument.java:3103)
	at javax.swing.text.DocumentFilter.remove(DocumentFilter.java:79)
	at org.openide.text.CloneableEditorSupport$DocFilter.remove(CloneableEditorSupport.java:3113)
	at javax.swing.text.AbstractDocument.remove(AbstractDocument.java:588)
	at org.openide.text.FilterDocument.remove(FilterDocument.java:119)
	at org.netbeans.api.java.source.ModificationResult.processDocumentLocked(ModificationResult.java:429)
	at org.netbeans.api.java.source.ModificationResult.access$100(ModificationResult.java:96)
	at org.netbeans.api.java.source.ModificationResult$3.run(ModificationResult.java:394)
	at org.openide.text.NbDocument.runAtomicAsUser(NbDocument.java:466)
	at org.netbeans.api.java.source.ModificationResult.processDocument(ModificationResult.java:408)
	at org.netbeans.api.java.source.ModificationResult.commit2(ModificationResult.java:356)
	at org.netbeans.api.java.source.ModificationResult.access$000(ModificationResult.java:96)
	at org.netbeans.api.java.source.ModificationResult$2.run(ModificationResult.java:258)
	at org.openide.text.NbDocument.runAtomic(NbDocument.java:440)
	at org.netbeans.api.java.source.ModificationResult.commit(ModificationResult.java:255)
	at org.netbeans.api.java.source.ModificationResult.commit(ModificationResult.java:214)
	at org.netbeans.modules.java.hints.test.api.HintTest$HintWarning.doApplyFix(HintTest.java:972)
	at org.netbeans.modules.java.hints.test.api.HintTest$HintWarning.applyFix(HintTest.java:916)
	at org.netbeans.modules.java.hints.test.api.HintTest$HintWarning.applyFix(HintTest.java:906)
	at org.kohsuke.stapler.netbeans.plugin.MessagesHintTest.simpleString(MessagesHintTest.java:49)
	at …

and similarly with write locks. Appears harmless (test still passes), but quite noisy and confusing.

Comment 1 Martin Balin 2016-07-07 07:19:12 UTC

This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue.

Thanks for your cooperation,
NetBeans IDE 8.2 Release Boss