###@###.### 2004-05-19

J2SE Version (please include all output from java -version flag):
  java version "1.5.0-beta2"
  Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta2-b50)
  Java HotSpot(TM) Client VM (build 1.5.0-beta2-b50, mixed mode, sharing)

Does this problem occur on J2SE 1.4 or 1.4.1 or 1.4.2? Yes / No (pick one)
  N/A

Operating System Configuration Information (be specific):
  Windows XP

Hardware Configuration Information (be specific):
  Dell Optiplex

Bug Description:
  Running apt on sources using parameter annotations causes a NPE. This
  exception is thrown regardless of what annotation processor code is
  loaded and it is independant of whether you supply an annotation
  processor factory or not. Here is the stack-trace from the apt tool:

An exception has occurred in the compiler (1.5.0-beta2). Please file a
bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)
after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.NullPointerException
        at com.sun.tools.apt.comp.Apt$AptTreeScanner.visitAnnotation(Apt.java:171)
        at com.sun.tools.javac.tree.Tree$Annotation.accept(Tree.java:1115)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:34)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:42)
        at com.sun.tools.javac.tree.TreeScanner.visitModifiers(TreeScanner.java:265)
        at com.sun.tools.javac.tree.Tree$Modifiers.accept(Tree.java:1126)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:34)
        at com.sun.tools.javac.tree.TreeScanner.visitVarDef(TreeScanner.java:77)
        at com.sun.tools.apt.comp.Apt$AptTreeScanner.visitVarDef(Apt.java:166)
        at com.sun.tools.javac.tree.Tree$VarDef.accept(Tree.java:511)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:34)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:42)
        at com.sun.tools.javac.tree.TreeScanner.visitMethodDef(TreeScanner.java:71)
        at com.sun.tools.apt.comp.Apt$AptTreeScanner.visitMethodDef(Apt.java:162)
        at com.sun.tools.javac.tree.Tree$MethodDef.accept(Tree.java:482)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:34)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:42)
        at com.sun.tools.javac.tree.TreeScanner.visitClassDef(TreeScanner.java:64)
        at com.sun.tools.apt.comp.Apt$AptTreeScanner.visitClassDef(Apt.java:156)
        at com.sun.tools.javac.tree.Tree$ClassDef.accept(Tree.java:438)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:34)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:42)
        at com.sun.tools.javac.tree.TreeScanner.visitTopLevel(TreeScanner.java:52)
        at com.sun.tools.apt.comp.Apt$AptTreeScanner.visitTopLevel(Apt.java:134)
        at com.sun.tools.javac.tree.Tree$TopLevel.accept(Tree.java:386)
        at com.sun.tools.apt.comp.Apt.main(Apt.java:182)
        at com.sun.tools.apt.main.JavaCompiler.compile(JavaCompiler.java:418)
        at com.sun.tools.apt.main.Main.compile(Main.java:939)
        at com.sun.tools.apt.main.Main.compile(Main.java:822)
        at com.sun.tools.apt.Main.compile(Main.java:41)
        at com.sun.tools.apt.Main.main(Main.java:32)
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

Test case:
-------------------------
public @interface MyAnn {
}

public interface Foo
{
public void doStuff(@MyAnn String arg);
}