[GitHub] jtulach commented on issue #423: Deadlock in lexing

[GitBox <gi...@apache.org>]

jtulach commented on issue #423: Deadlock in lexing
URL: https://github.com/apache/incubator-netbeans/pull/423#issuecomment-366146568
 
 
   This is the deadlock:
   ```
   Found one Java-level deadlock:
   =============================
   "Editor Parsing Loop (20171223-unknown-revn)":
     waiting to lock monitor 0x00007f25e4202e88 (object 0x00000000fc299fe8, a org.netbeans.modules.javadoc.highlighting.Highlighting),
     which is held by "AWT-EventQueue-0"
   "AWT-EventQueue-0":
     waiting to lock monitor 0x00007f25a46014e8 (object 0x00000000fc267720, a org.netbeans.lib.lexer.inc.IncTokenList),
     which is held by "Editor Parsing Loop (20171223-unknown-revn)"
   
   Java stack information for the threads listed above:
   ===================================================
   "Editor Parsing Loop (20171223-unknown-revn)":
           at org.netbeans.modules.javadoc.highlighting.Highlighting.tokenHierarchyChanged(Highlighting.java:135)
           - waiting to lock <0x00000000fc299fe8> (a org.netbeans.modules.javadoc.highlighting.Highlighting)
           at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:462)
           at com.sun.proxy.$Proxy44.tokenHierarchyChanged(Unknown Source)
           at org.netbeans.lib.lexer.TokenHierarchyOperation.fireTokenHierarchyChanged(TokenHierarchyOperation.java:555)
           at org.netbeans.lib.lexer.EmbeddingOperation.createEmbedding(EmbeddingOperation.java:365)
           at org.netbeans.api.lexer.TokenSequence.createEmbedding(TokenSequence.java:422)
           - locked <0x00000000fc267720> (a org.netbeans.lib.lexer.inc.IncTokenList)
           at org.netbeans.modules.editor.javajs.JSEmbeddingProvider.run(JSEmbeddingProvider.java:111)
           at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561)
           at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:786)
           at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
           at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702)
           at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663)
           at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
           at java.util.concurrent.FutureTask.run(FutureTask.java:266)
           at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
           at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
           at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
           at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
   "AWT-EventQueue-0":
           at org.netbeans.lib.lexer.TokenHierarchyOperation.isActive(TokenHierarchyOperation.java:344)
           - waiting to lock <0x00000000fc267720> (a org.netbeans.lib.lexer.inc.IncTokenList)
           at org.netbeans.api.lexer.TokenHierarchy.isActive(TokenHierarchy.java:306)
           at org.netbeans.modules.javadoc.highlighting.Highlighting.getHighlights(Highlighting.java:96)
           - locked <0x00000000fc299fe8> (a org.netbeans.modules.javadoc.highlighting.Highlighting)
   ```

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