From d7b6dcbe2e3f0d94366be09786ab8fe821fb7fe5 Mon Sep 17 00:00:00 2001
From: theli <theli@6c8d7289-2bf4-0310-a012-ef5d649a1542>
Date: Sun, 25 Dec 2005 13:56:11 +0000
Subject: [PATCH] *) Bugfix for MalformedURL problem if Location header is
 empty.    See: http://www.yacy-forum.de/viewtopic.php?p=14325#14325

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1247 6c8d7289-2bf4-0310-a012-ef5d649a1542
---
 source/de/anomic/plasma/plasmaCrawlWorker.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/de/anomic/plasma/plasmaCrawlWorker.java b/source/de/anomic/plasma/plasmaCrawlWorker.java
index 95f47fa18..903df9a01 100644
--- a/source/de/anomic/plasma/plasmaCrawlWorker.java
+++ b/source/de/anomic/plasma/plasmaCrawlWorker.java
@@ -417,6 +417,11 @@ public final class plasmaCrawlWorker extends Thread {
                         String redirectionUrlString = (String) res.responseHeader.get(httpHeader.LOCATION);
                         redirectionUrlString = redirectionUrlString.trim();
 
+                        if (redirectionUrlString.length() == 0) {
+                            log.logWarning("CRAWLER Recirection of URL=" + url.toString() + " aborted. Location header is empty.");
+                            return;
+                        }
+                        
                         // normalizing URL
                         redirectionUrlString = htmlFilterContentScraper.urlNormalform(url, redirectionUrlString);