The method JavaCompilerTool.run fails to handle null arguments.
<code>
import javax.tools.JavaCompilerTool;
import javax.tools.ToolProvider;

public class Foo {
    public static void main(String... arg) {
        JavaCompilerTool jct = ToolProvider.getSystemJavaCompilerTool();
        jct.run(null,null,null,"Foo.java",null);
    }
}
</code>
<output>
E:\MustangTestDev\tools\jsr199\ToolTest\ToolTest01>java Foo
An exception has occurred in the compiler (1.6.0-auto). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) af
ter 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.javac.main.CommandLine.parse(CommandLine.java:47)
        at com.sun.tools.javac.main.Main.compile(Main.java:288)
        at com.sun.tools.javac.main.Main.compile(Main.java:255)
        at com.sun.tools.javac.main.Main.compile(Main.java:246)
        at com.sun.tools.javac.Main.compile(Main.java:88)
        at com.sun.tools.javac.api.JavacTool.run(JavacTool.java:304)
        at Foo.main(Foo.java:7)

</output>
<java-version>
java version "1.6.0-auto"
Java(TM) SE Runtime Environment (build 1.6.0-auto-087)
Java HotSpot(TM) Client VM (build 1.6.0-beta2-b78, mixed mode)
</java-version>