Hi,

Two stack traces below from two occurrences of an internal error. Seems to happen when IDEA regards the current line of code as being invalid.

rgds,
Eamon

== Stack Trace 1
[ 174721]  ERROR - intellij.plugins.PluginManager -
[ 174751]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 174751]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 174761]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 174761]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 174761]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 174902]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 204825]  ERROR - intellij.plugins.PluginManager -
[ 204855]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 204865]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 204865]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 204865]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 204865]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 204865]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 206397]  ERROR - intellij.plugins.PluginManager -
[ 206427]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 206427]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 206427]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 206437]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 206437]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 206437]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 207438]  ERROR - intellij.plugins.PluginManager -
[ 207479]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 207589]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 207589]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 207589]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 207589]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 207589]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 208780]  ERROR - intellij.plugins.PluginManager -
[ 208840]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 208840]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 208840]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 208840]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 208840]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 208840]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 209922]  ERROR - intellij.plugins.PluginManager -
[ 209952]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 209952]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 209952]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 209952]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 209952]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 209952]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
[ 215660]  ERROR - intellij.plugins.PluginManager -
[ 215700]  ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna)   Bu
ild #614
[ 215700]  ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_01
[ 215700]  ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client
VM
[ 215700]  ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc
.
[ 215700]  ERROR - intellij.plugins.PluginManager - OS: Windows 2000
[ 215700]  ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:7)
        at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
        at com.intellij.psi.impl.q.run(q.java:0)
        at com.intellij.vfs.VirtualFileManager.a(VirtualFileManager.java:136)
        at com.intellij.psi.impl.z.b(z.java:198)
        at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:38)
        at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:51)
        at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:2)
        at com.intellij.progress.ProgressManager.a(ProgressManager.java:18)
        at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:25)
Exception occurred during event dispatching:
java.lang.NullPointerException
        at com.intellij.psi.impl.b.a.D(a.java:2)
        at com.intellij.psi.impl.b.a.a(a.java:15)
        at com.intellij.psi.impl.b.a.a(a.java:32)
        at com.intellij.codeInsight.intention.v.a(v.java:35)
        at com.intellij.codeInsight.intention.v.a(v.java:17)
        at com.intellij.codeInsight.daemon.impl.bm.run(bm.java:86)
        at com.intellij.codeInsight.daemon.impl.cc.run(cc.java:2)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at com.intellij.ide.c.dispatchEvent(c.java:3)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)


== Stack Trace 2
Exception occurred during event dispatching:
java.lang.NullPointerException
        at com.intellij.psi.impl.source.bz.a(bz.java:21)
        at com.intellij.psi.impl.source.cp.b(cp.java:20)
        at com.intellij.codeInsight.statistics.StatisticsManager.a(StatisticsMan
ager.java:31)
        at com.intellij.codeInsight.statistics.StatisticsManager.a(StatisticsMan
ager.java:58)
        at com.intellij.codeInsight.completion.h.compare(h.java:64)
        at com.intellij.codeInsight.b.a.q.b(q.java:262)
        at com.intellij.codeInsight.b.a.q.o(q.java:248)
        at com.intellij.codeInsight.b.a.q.a(q.java:108)
        at com.intellij.codeInsight.b.a.q.a(q.java:159)
        at com.intellij.codeInsight.b.a.q.a(q.java:310)
        at com.intellij.codeInsight.b.a.g.a(g.java:3)
        at com.intellij.editor.b.t.a(t.java:560)
        at com.intellij.editor.b.t.a(t.java:1137)
        at com.intellij.editor.b.t.a(t.java:227)
        at com.intellij.editor.b.c.keyPressed(c.java:6)
        at java.awt.Component.processKeyEvent(Component.java:3677)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2014)
        at java.awt.Component.processEvent(Component.java:3553)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2593)
        at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2497)
        at java.awt.LightweightDispatcher.processKeyEvent(Container.java:2155)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2135)
        at java.awt.Container.dispatchEventImpl(Container.java:1200)
        at java.awt.Window.dispatchEventImpl(Window.java:926)
        at java.awt.Component.dispatchEvent(Component.java:2497)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)
        at com.intellij.ide.c.dispatchEvent(c.java:3)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)
[1325837]  ERROR -       com.intellij.command.a.b -
[1325887]  ERROR -       com.intellij.command.a.b - IntelliJ IDEA (Ariadna)   Bu
ild #614
[1325897]  ERROR -       com.intellij.command.a.b - JDK: 1.3.1_01
[1325907]  ERROR -       com.intellij.command.a.b - VM: Java HotSpot(TM) Client
VM
[1325907]  ERROR -       com.intellij.command.a.b - Vendor: Sun Microsystems Inc
.
[1325907]  ERROR -       com.intellij.command.a.b - OS: Windows 2000
[1325967]  ERROR -       com.intellij.command.a.b -
java.lang.NullPointerException
        at com.intellij.psi.impl.source.bz.a(bz.java:21)
        at com.intellij.psi.impl.source.cp.b(cp.java:20)
        at com.intellij.codeInsight.statistics.StatisticsManager.a(StatisticsMan
ager.java:31)
        at com.intellij.codeInsight.statistics.StatisticsManager.b(StatisticsMan
ager.java:113)
        at com.intellij.codeInsight.completion.h.a(h.java:10)
        at com.intellij.codeInsight.b.a.q.a(q.java:183)
        at com.intellij.codeInsight.b.a.q.a(q.java:337)
        at com.intellij.codeInsight.b.a.e.run(e.java:9)
        at com.intellij.command.a.b.a(b.java:54)
        at com.intellij.codeInsight.b.a.q.b(q.java:267)
        at com.intellij.codeInsight.b.a.q.a(q.java:317)
        at com.intellij.codeInsight.b.a.q.a(q.java:159)
        at com.intellij.codeInsight.b.a.q.a(q.java:310)
        at com.intellij.codeInsight.b.a.g.a(g.java:3)
        at com.intellij.editor.b.t.a(t.java:560)
        at com.intellij.editor.b.t.a(t.java:1137)
        at com.intellij.editor.b.t.a(t.java:227)
        at com.intellij.editor.b.c.keyPressed(c.java:6)
        at java.awt.Component.processKeyEvent(Component.java:3677)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2014)
        at java.awt.Component.processEvent(Component.java:3553)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2593)
        at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2497)
        at java.awt.LightweightDispatcher.processKeyEvent(Container.java:2155)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2135)
        at java.awt.Container.dispatchEventImpl(Container.java:1200)
        at java.awt.Window.dispatchEventImpl(Window.java:926)
        at java.awt.Component.dispatchEvent(Component.java:2497)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)
        at com.intellij.ide.c.dispatchEvent(c.java:3)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)
Exception occurred during event dispatching:
java.awt.IllegalComponentStateException: component must be showing on the screen
 to determine its location
        at java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:1242
)
        at java.awt.Component.getLocationOnScreen(Component.java:1216)
        at com.intellij.codeInsight.b.a.q.c(q.java:240)
        at com.intellij.codeInsight.hint.d.a(d.java:16)
        at com.intellij.codeInsight.javadoc.q.a(q.java:44)
        at com.intellij.codeInsight.javadoc.q.a(q.java:49)
        at com.intellij.codeInsight.b.a.m.run(m.java:1)
        at com.intellij.util.t.run(t.java:10)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at com.intellij.ide.c.dispatchEvent(c.java:3)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
        at java.awt.Dialog.show(Dialog.java:380)
        at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:679)
        at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:521)
        at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:499)
        at com.intellij.diagnostic.d.run(d.java)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:147)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at com.intellij.ide.c.dispatchEvent(c.java:3)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)

Eamon Walshe
Serviceability Architect
IONA Customer Services
Shelbourne Rd, Ballsbridge, Dublin 4, Ireland.  Tel +353 1 6372490
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