Add Exception Logging

src/main/java/envoy/client/data/audio/AudioRecorder.java

@@ -115,5 +115,8 @@ public final class AudioRecorder {
 	public void cancel() {
 		line.stop();
 		line.close();
+		try {
+			Files.deleteIfExists(tempFile);
+		} catch (IOException e) {}
 	}
 }

src/main/java/envoy/client/ui/AudioControl.java

@@ -1,10 +1,16 @@
 package envoy.client.ui;
 
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
 import javafx.scene.control.Button;
 import javafx.scene.layout.HBox;
 
 import envoy.client.data.audio.AudioPlayer;
 import envoy.exception.EnvoyException;
+import envoy.util.EnvoyLog;
 
 /**
  * Enables the play back of audio clips through a button.
@@ -20,6 +26,8 @@ public final class AudioControl extends HBox {
 
 	private AudioPlayer player = new AudioPlayer();
 
+	private static final Logger logger = EnvoyLog.getLogger(AudioControl.class);
+
 	/**
 	 * Initializes the audio control.
 	 * 
@@ -32,7 +40,8 @@ public final class AudioControl extends HBox {
 			try {
 				player.play(audioData);
 			} catch (EnvoyException ex) {
-
+				logger.log(Level.SEVERE, "Could not play back audio: ", ex);
+				new Alert(AlertType.ERROR, "Could not play back audio").showAndWait();
 			}
 		});
 		getChildren().add(button);

src/main/java/envoy/client/ui/controller/ChatScene.java

@@ -263,7 +263,8 @@ public final class ChatScene {
 					Platform.runLater(() -> { voiceButton.setText("Record Voice Message"); checkPostConditions(false); });
 				}
 			} catch (EnvoyException e) {
-				e.printStackTrace();
+				logger.log(Level.SEVERE, "Could not record audio: ", e);
+				Platform.runLater(new Alert(AlertType.ERROR, "Could not record audio")::showAndWait);
 			}
 		}).start();
 	}