Got this while editing a class. Not sure exactly what caused it. It caused the endless internal error dialog and I had to kill the program.
[ 471327] ERROR - intellij.plugins.PluginManager -[ 471358] ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna) Build #616
[ 471368] ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_02
[ 471368] ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) ClientVM
[ 471368] ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc.
[ 471368] ERROR - intellij.plugins.PluginManager - OS: Windows NT
[ 471368] ERROR - intellij.plugins.PluginManager -java.lang.NullPointerException
at com.intellij.psi.impl.source.bx.d(bx.java:1)
at com.intellij.psi.impl.source.d.d.a(d.java:185)
at com.intellij.psi.impl.source.d.d.a(d.java:158)
at com.intellij.psi.impl.source.d.d.a(d.java:112)
at com.intellij.psi.impl.source.d.d.a(d.java:91)
at com.intellij.psi.impl.source.d.d.b(d.java:140)
at com.intellij.psi.impl.source.d.d.a(d.java:8)
at com.intellij.psi.impl.source.d.g.a(g.java:9)
at com.intellij.psi.impl.source.d.b.a(b.java:150)
at com.intellij.codeInsight.daemon.impl.cg.a(cg.java:435)
at com.intellij.codeInsight.daemon.impl.cg.a(cg.java:307)
at com.intellij.psi.impl.source.cd.a(cd.java:11)
at com.intellij.codeInsight.daemon.impl.h.a(h.java:93)
at com.intellij.codeInsight.daemon.impl.h.run(h.java:105)
at com.intellij.openapi.a.a.b.a(b.java:222)
at com.intellij.codeInsight.daemon.impl.cl.b(cl.java:53)
at com.intellij.codeInsight.daemon.impl.cl.a(cl.java:58)
at com.intellij.codeInsight.daemon.impl.cl.a(cl.java:41)
at com.intellij.codeInsight.daemon.impl.bu.run(bu.java)
at com.intellij.progress.ProgressManager.a(ProgressManager.java:2)
at com.intellij.codeInsight.daemon.impl.cl.run(cl.java:42)
