diff --git a/src/main/java/net/floodlightcontroller/bgproute/Prefix.java b/src/main/java/net/floodlightcontroller/bgproute/Prefix.java
index 7ba014b..980646f 100644
--- a/src/main/java/net/floodlightcontroller/bgproute/Prefix.java
+++ b/src/main/java/net/floodlightcontroller/bgproute/Prefix.java
@@ -7,28 +7,27 @@
 	public int masklen;
 	protected InetAddress address;
 
-	Prefix(byte[] addr, int masklen) {
-		try {
-			address = InetAddress.getByAddress(addr);
-		} catch (UnknownHostException e) {
-			System.out.println("InetAddress exception");
-			return;
-		}
+	public Prefix(byte[] addr, int masklen) throws UnknownHostException {
+		//try {
+		address = InetAddress.getByAddress(addr);
+		//} catch (UnknownHostException e) {
+		//	System.out.println("InetAddress exception");
+		//	return;
+		//}
 		this.masklen = masklen;
-		System.out.println(address.toString() + "/" + masklen);
+		//System.out.println(address.toString() + "/" + masklen);
 	}
-	
-	Prefix(String str, int masklen) {
-		try {
-			address = InetAddress.getByName(str);
-			//System.out.println(address.toString());
-		} catch (UnknownHostException e) {
-			System.out.println("InetAddress exception");
-			return;
-		}
+
+	public Prefix(String str, int masklen) throws UnknownHostException {
+		//try {
+		address = InetAddress.getByName(str);
+		//} catch (UnknownHostException e) {
+		//	System.out.println("InetAddress exception");
+		//	return;
+		//}
 		this.masklen = masklen;
 	}
-	
+
 	public byte [] getAddress() {
 		return address.getAddress();
 	}