eclipse.buildId=M20110210-1200
java.version=1.6.0_20
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Command-line arguments: -os linux -ws gtk -arch x86

Scala IDE Version: 2.0.0.201103281820-beta1-316ca33

I am getting the following NPE (sometimes, not always) when opening certain (but not any or all) Editors:

java.lang.NullPointerException
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$addDefaultGetters$2$$anonfun$apply$27.apply(Namers.scala:1063)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$addDefaultGetters$2$$anonfun$apply$27.apply(Namers.scala:988)
at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
at scala.collection.immutable.List.foreach(List.scala:45)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$addDefaultGetters$2.apply(Namers.scala:988)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$addDefaultGetters$2.apply(Namers.scala:985)
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:111)
at scala.collection.immutable.List.foldLeft(List.scala:45)
at scala.collection.TraversableOnce$class.$div$colon(TraversableOnce.scala:184)
at scala.collection.immutable.List.$div$colon(List.scala:45)
at scala.tools.nsc.typechecker.Namers$Namer.addDefaultGetters(Namers.scala:985)
at scala.tools.nsc.typechecker.Namers$Namer.methodSig(Namers.scala:937)
at scala.tools.nsc.typechecker.Namers$Namer.typeSig(Namers.scala:1185)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$typeCompleter$1.apply(Namers.scala:548)
at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$typeCompleter$1.apply(Namers.scala:546)
at scala.tools.nsc.typechecker.Namers$$anon$1.complete(Namers.scala:1354)
at scala.tools.nsc.typechecker.Namers$$anon$1.complete(Namers.scala:1350)
at scala.tools.nsc.symtab.Symbols$Symbol.info(Symbols.scala:724)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$DefOwner$class.addDef(ScalaStructureBuilder.scala:564)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$Builder.addDef(ScalaStructureBuilder.scala:733)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$DefOwner$class.addDef(ScalaStructureBuilder.scala:553)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$Builder.addDef(ScalaStructureBuilder.scala:733)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser.traverse(ScalaStructureBuilder.scala:785)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
at scala.collection.immutable.List.foreach(List.scala:45)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser.traverse(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
at scala.collection.immutable.List.foreach(List.scala:45)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser.traverse(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser$$anonfun$traverse$1.apply(ScalaStructureBuilder.scala:793)
at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
at scala.collection.immutable.List.foreach(List.scala:45)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser.traverse(ScalaStructureBuilder.scala:793)
at scala.tools.eclipse.javaelements.ScalaStructureBuilder$StructureBuilderTraverser.traverse(ScalaStructureBuilder.scala:763)
at scala.tools.eclipse.javaelements.ScalaCompilationUnit$$anonfun$buildStructure$2$$anonfun$apply$4$$anonfun$apply$1.apply$mcV$sp(ScalaCompilationUnit.scala:68)
at scala.tools.eclipse.javaelements.ScalaCompilationUnit$$anonfun$buildStructure$2$$anonfun$apply$4$$anonfun$apply$1.apply(ScalaCompilationUnit.scala:67)
at scala.tools.eclipse.javaelements.ScalaCompilationUnit$$anonfun$buildStructure$2$$anonfun$apply$4$$anonfun$apply$1.apply(ScalaCompilationUnit.scala:67)
at scala.tools.nsc.util.InterruptReq.liftedTree1$1(InterruptReq.scala:20)
at scala.tools.nsc.util.InterruptReq.execute(InterruptReq.scala:19)
at scala.tools.nsc.interactive.Global.pollForWork(Global.scala:305)
at scala.tools.nsc.interactive.PresentationCompilerThread.run(PresentationCompilerThread.scala:25)