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From "Ernie Rael (Jira)" <j...@apache.org>
Subject [jira] [Reopened] (NETBEANS-963) java.lang.AssertionError: Debugger lock taken in AWT Event Queue!
Date Fri, 07 Feb 2020 01:56:00 GMT

     [ https://issues.apache.org/jira/browse/NETBEANS-963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ernie Rael reopened NETBEANS-963:
---------------------------------

Using NB-11.3beta2 I get the exception and stack trace as described in this issue; I can not
get the string by pressing the "..." of a "string value" column.  The previous comment says
this issue is tracked by a different issue and that issue has been closed; that issue has
a different stack trace, but I don't know how things happened.

> java.lang.AssertionError: Debugger lock taken in AWT Event Queue!
> -----------------------------------------------------------------
>
>                 Key: NETBEANS-963
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-963
>             Project: NetBeans
>          Issue Type: Bug
>          Components: debugger - Java
>    Affects Versions: 9.0
>         Environment: Linux; Release Build 316
>            Reporter: Peter Nabbefeld
>            Assignee: ARUNAVA SINHA
>            Priority: Critical
>             Fix For: 9.0
>
>
> When I've selected the "String Value" column in Variables view of the Java debugger,
the following exception is thrown even if I just move the cursor over the string value.
> This does only happen for object values; primitive values do not seem to be affected.
> Probably it's related to tooltips, as those are shown for primitive values, while object
values throw an exception.
> As this makes it impossible to show and review large strings and thus makes debugging
harder, I've set the status to "Blocker".
>  
> java.lang.AssertionError: Debugger lock taken in AWT Event Queue!
>     at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl$DebuggerReentrantReadWriteLock$DebuggerReadLock.lock(JPDADebuggerImpl.java:2675)
>     at org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl$ThreadReentrantReadWriteLock$ThreadWriteLock.lock(JPDAThreadImpl.java:2555)
>     at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.invokeMethod(JPDADebuggerImpl.java:1066)
>     at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.invokeMethod(JPDADebuggerImpl.java:1008)
>     at org.netbeans.modules.debugger.jpda.models.AbstractObjectVariable.getToStringValue(AbstractObjectVariable.java:496)
>     at org.netbeans.modules.debugger.jpda.models.AbstractObjectVariable.getToStringValue(AbstractObjectVariable.java:460)
>     at org.netbeans.modules.debugger.jpda.models.AbstractObjectVariable.getToStringValue(AbstractObjectVariable.java:424)
>     at org.netbeans.modules.debugger.jpda.ui.models.VariablesTableModel.getValueAt(VariablesTableModel.java:108)
>     at org.netbeans.spi.viewmodel.Models$DelegatingTableModel.getValueAt(Models.java:2249)
>     at org.netbeans.modules.debugger.jpda.ui.models.NumericDisplayFilter.getValueAt(NumericDisplayFilter.java:112)
>     at org.netbeans.spi.viewmodel.Models$CompoundTableModel.getValueAt(Models.java:1439)
>     at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.getValueAt(VariablesTreeModelFilter.java:530)
>     at org.netbeans.spi.viewmodel.Models$CompoundTableModel.getValueAt(Models.java:1439)
>     at org.netbeans.modules.debugger.jpda.ui.models.PendingActionsFilter.getValueAt(PendingActionsFilter.java:108)
>     at org.netbeans.spi.viewmodel.Models$CompoundTableModel.getValueAt(Models.java:1439)
>     at org.netbeans.spi.viewmodel.Models$CompoundTableModel.getValueAt(Models.java:1441)
>     at org.netbeans.spi.viewmodel.Models$CompoundTableModel.getValueAt(Models.java:1441)
>     at org.netbeans.spi.viewmodel.Models$CompoundModel.getValueAt(Models.java:4566)
>     at org.netbeans.modules.viewmodel.TreeModelNode$MyProperty.updateShortDescription(TreeModelNode.java:2102)
>     at org.netbeans.modules.viewmodel.TreeModelNode$MyProperty.getShortDescription(TreeModelNode.java:2084)
>     at org.openide.explorer.view.SheetCell.getTableCellRendererComponent(SheetCell.java:276)
>     at org.openide.explorer.view.SheetCell$OutlineSheetCell.getTableCellRendererComponent(SheetCell.java:737)
>     at org.netbeans.modules.viewmodel.DelegatingCellRenderer.getTableCellRendererComponent(DelegatingCellRenderer.java:66)
>     at java.desktop/javax.swing.JTable.prepareRenderer(JTable.java:5758)
>     at org.netbeans.swing.outline.Outline.getToolTipText(Outline.java:393)
>     at java.desktop/javax.swing.ToolTipManager$insideTimerAction.actionPerformed(ToolTipManager.java:675)
>     at java.desktop/javax.swing.Timer.fireActionPerformed(Timer.java:317)
>     at java.desktop/javax.swing.Timer$DoPostEvent.run(Timer.java:249)
>     at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
>     at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
>     at java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
>     at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
>     at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
>     at java.base/java.security.AccessController.doPrivileged(Native Method)
>     at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
>     at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
>     at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
> [catch] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
>     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)



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