Platform: Linux 2.6.25.11-60.fc8 (i386)
JDK: 7b34
JCK: 7 b05
Test: api/java_awt/GraphicsEnvironment/index2.html#PreferFonts[PreferFonts2001] (see attached source)

Here is the output:
java.lang.NullPointerException
at sun.awt.FontConfiguration.getReorderSequence(FontConfiguration.java:752)
at sun.awt.FontConfiguration.willReorderForStartupLocale(FontConfiguration.java:748)
at sun.font.FontManager.preferLocaleFonts(FontManager.java:2805)
at java.awt.GraphicsEnvironment.preferLocaleFonts(GraphicsEnvironment.java:359)
at javasoft.sqe.tests.api.java.awt.GraphicsEnvironment.PreferFontsTests.PreferFonts2001(PreferFontsTests.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(MultiTest.java:406)
at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:195)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at com.sun.jck.lib.ExecJCKTestSameJVMCmd$Version2Test.execute(ExecJCKTestSameJVMCmd.java:441)
at com.sun.jck.lib.ExecJCKTestSameJVMCmd$StandardTest.run(ExecJCKTestSameJVMCmd.java:389)
at com.sun.jck.lib.ExecJCKTestSameJVMCmd.execute(ExecJCKTestSameJVMCmd.java:257)
at com.sun.jck.lib.ExecJCKTestSameJVMCmd.run(ExecJCKTestSameJVMCmd.java:162)
at com.sun.javatest.agent.Agent$Task.executeCommand(Agent.java:841)
at com.sun.javatest.agent.Agent$Task.execute(Agent.java:772)
at com.sun.javatest.agent.Agent$Task.handleRequest(Agent.java:633)
at com.sun.javatest.agent.Agent.handleRequestsUntilClosed(Agent.java:400)
at com.sun.javatest.agent.Agent.access$000(Agent.java:60)
at com.sun.javatest.agent.Agent$1.run(Agent.java:272)
at java.lang.Thread.run(Thread.java:674)
PreferFonts2001: Failed. Test case throws exception: java.lang.NullPointerException


The following line causes NPE:


(new MyEnv()).preferLocaleFonts();

where

class MyEnv extends GraphicsEnvironment {
    public MyEnv() {
        super();
    }
    public Graphics2D createGraphics(BufferedImage image) {
        return null;
    }
    public String[] getAvailableFontFamilyNames(Locale locale) {
        return null;
    }
    public String[] getAvailableFontFamilyNames() {
        return null;
    }
    public Font[] getAllFonts() {
        return null;
    }
    public GraphicsDevice getDefaultScreenDevice() throws HeadlessException {
        return null;
    }
    public GraphicsDevice[] getScreenDevices() throws HeadlessException {
        return null;
    }
}