From 2717c1b749827986b272fd90c1ff8a47efb75a7e Mon Sep 17 00:00:00 2001
From: Michael Peter Christen <mc@yacy.net>
Date: Tue, 15 May 2012 12:25:14 +0200
Subject: [PATCH] fixed bug in solr interface

---
 source/net/yacy/search/index/MetadataRepository.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/net/yacy/search/index/MetadataRepository.java b/source/net/yacy/search/index/MetadataRepository.java
index 6bf2f8225..e2e03ad5f 100644
--- a/source/net/yacy/search/index/MetadataRepository.java
+++ b/source/net/yacy/search/index/MetadataRepository.java
@@ -203,6 +203,7 @@ public final class MetadataRepository implements /*Metadata,*/ Iterable<byte[]>
     }
 
     public boolean exists(final byte[] urlHash) {
+        if (urlHash == null) return false;
         try {
             if (this.solr != null && this.solr.exists(ASCII.String(urlHash))) {
                 return true;