From ddfe0f0e278492d974ac22a74d6f83dd86b76a56 Mon Sep 17 00:00:00 2001
From: theli <theli@6c8d7289-2bf4-0310-a012-ef5d649a1542>
Date: Sat, 13 May 2006 15:45:04 +0000
Subject: [PATCH] *) don't try to parse referer string if it's null

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2090 6c8d7289-2bf4-0310-a012-ef5d649a1542
---
 source/de/anomic/plasma/plasmaCrawlStacker.java | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/source/de/anomic/plasma/plasmaCrawlStacker.java b/source/de/anomic/plasma/plasmaCrawlStacker.java
index daff35276..9553d5870 100644
--- a/source/de/anomic/plasma/plasmaCrawlStacker.java
+++ b/source/de/anomic/plasma/plasmaCrawlStacker.java
@@ -241,11 +241,13 @@ public final class plasmaCrawlStacker {
          */
         URL nexturl = null, referrerURL = null;
         if ((initiatorHash == null) || (initiatorHash.length() == 0)) initiatorHash = plasmaURL.dummyHash;
-        try {
-            referrerURL = new URL(referrerString);
-        } catch (MalformedURLException e) {
-            referrerURL = null;
-            referrerString = null;
+        if (referrerString != null) {
+            try {
+                referrerURL = new URL(referrerString);
+            } catch (MalformedURLException e) {
+                referrerURL = null;
+                referrerString = null;
+            }
         }
         String referrerHash = (referrerString==null)?null:plasmaURL.urlHash(referrerString);
         try {