Crash with CompilationTask.run().
JVM will crash with following testcase.
<code>
import java.util.ArrayList;
import java.util.List;
import javax.tools.*;
import static javax.tools.StandardJavaFileManager.StandardLocation.*;
import static javax.tools.JavaFileObject.Kind.*;

public class Foo {
    private void test(String... args) throws Throwable {
         JavaCompilerTool javac = ToolProvider.getSystemJavaCompilerTool();
         JavaFileManager jfm = javac.getStandardFileManager(null);
         JavaFileObject jfo =
         jfm.getJavaFileForInput(CLASS_PATH,args[0],SOURCE);
         List<JavaFileObject> list = new ArrayList<JavaFileObject>();
         list.add(jfo);
         JavaCompilerTool.CompilationTask task =
                 javac.getTask(null,jfm,null,null,null,list);
         task.run();
    }
    public static void main(String... arg) throws Throwable {
         Foo test = new Foo();
         test.test("Foo.java");
    }
}
</code>
Output of the above testcase:
<output>
bash-3.00$ javac Foo.java
bash-3.00$ java Foo
An exception has occurred in the compiler (1.6.0-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.javac.main.JavaCompiler.readSource(JavaCompiler.java:420)
        at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:485)
        at com.sun.tools.javac.main.JavaCompiler.parseFiles(JavaCompiler.java:710)
        at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:636)
        at com.sun.tools.javac.main.Main.compile(Main.java:332)
        at com.sun.tools.javac.api.JavacTaskImpl.run(JavacTaskImpl.java:111)
        at Foo.test(Foo.java:17)
        at Foo.main(Foo.java:21)
</output>
<java-version>
bash-3.00$ java -version
java version "1.6.0-beta2"
Java(TM) SE Runtime Environment (build 1.6.0-beta2-b82)
Java HotSpot(TM) Client VM (build 1.6.0-beta2-b82, mixed mode)
</java-version>