An exception has occurred in the compiler ($(RELEASE)). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.NullPointerException
at TestTrees.testElement(TestTrees.java:59)
at TestTrees$MyTaskListener.started(TestTrees.java:97)
at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:900)
at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:884)
at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:663)
at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:634)
at com.sun.tools.javac.main.Main.compile(Main.java:767)
at com.sun.tools.javac.api.JavacTaskImpl.run(JavacTaskImpl.java:82)
at TestTrees.main(TestTrees.java:34)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:589)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:83)
at java.lang.Thread.run(Thread.java:626)