--- a/src/java/org/classpath/icedtea/pulseaudio/PulseAudioMixer.java	Wed Oct 08 10:38:29 2008 -0400
+++ b/src/java/org/classpath/icedtea/pulseaudio/PulseAudioMixer.java	Wed Oct 08 12:30:00 2008 -0400
@@ -103,6 +103,8 @@
 				formats, StreamBufferAttributes.MIN_VALUE,
 				StreamBufferAttributes.MAX_VALUE));
 
+		refreshSourceAndTargetLines();
+		
 	}
 
 	synchronized public static PulseAudioMixer getInstance() {
@@ -252,17 +254,16 @@
 	}
 
 	@Override
-	public Line getLine(javax.sound.sampled.Line.Info info)
-			throws LineUnavailableException {
+	public Line getLine(Line.Info info) throws LineUnavailableException {
+
+		if (!isLineSupported(info)) {
+			throw new IllegalArgumentException("Line unsupported: " + info);
+		}
 
 		if (!isOpen) {
 			throw new LineUnavailableException("The mixer isnt open");
 		}
 
-		if (!isLineSupported(info)) {
-			throw new IllegalArgumentException("Line unsupported: " + info);
-		}
-
 		AudioFormat[] formats = null;
 		AudioFormat defaultFormat = null;
 
@@ -324,7 +325,7 @@
 		if (isLineSupported(info)) {
 			return AudioSystem.NOT_SPECIFIED;
 		}
-		
+
 		return 0;
 	}
 

--- a/unittests/org/classpath/icedtea/pulseaudio/PulseAudioMixerTest.java	Wed Oct 08 10:38:29 2008 -0400
+++ b/unittests/org/classpath/icedtea/pulseaudio/PulseAudioMixerTest.java	Wed Oct 08 12:30:00 2008 -0400
@@ -39,6 +39,7 @@
 
 import javax.sound.sampled.AudioFormat;
 import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
 import javax.sound.sampled.Line;
 import javax.sound.sampled.LineEvent;
 import javax.sound.sampled.LineListener;
@@ -60,6 +61,8 @@
 
 	AudioFormat aSupportedFormat = new AudioFormat(
 			AudioFormat.Encoding.PCM_UNSIGNED, 44100f, 8, 1, 1, 44100f, true);
+	AudioFormat aNotSupportedFormat = new AudioFormat(
+			AudioFormat.Encoding.ULAW, 44100, 32, 10, 10, 44100f, true);
 
 	@Before
 	public void setUp() throws Exception {
@@ -367,6 +370,19 @@
 	}
 
 	@Test
+	public void testLineSupportedWorksWithoutOpeningMixer() {
+
+		Assert.assertFalse(selectedMixer.isOpen());
+
+		Assert.assertFalse(selectedMixer.isLineSupported(new DataLine.Info(
+				SourceDataLine.class, aNotSupportedFormat)));
+
+		Assert.assertTrue(selectedMixer.isLineSupported(new DataLine.Info(
+				SourceDataLine.class, aSupportedFormat)));
+
+	}
+
+	@Test
 	public void testSynchronizationNotSupported()
 			throws LineUnavailableException {
 		selectedMixer.open();