From c9e593cf786b9f27ea1bbd2b34090399ffb5c095 Mon Sep 17 00:00:00 2001
From: orbiter <mc@yacy.net>
Date: Mon, 11 Aug 2014 23:53:12 +0200
Subject: [PATCH] removed warnings

---
 .../cora/federate/solr/connector/AbstractSolrConnector.java     | 1 -
 source/net/yacy/cora/util/JSONException.java                    | 2 +-
 source/net/yacy/document/Document.java                          | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java b/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
index 120efd608..4d6c4bfdd 100644
--- a/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
+++ b/source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java
@@ -52,7 +52,6 @@ import org.apache.solr.common.SolrInputDocument;
 import org.apache.solr.common.params.CommonParams;
 import org.apache.solr.common.params.DisMaxParams;
 import org.apache.solr.common.params.FacetParams;
-import org.apache.solr.common.params.ModifiableSolrParams;
 
 public abstract class AbstractSolrConnector implements SolrConnector {
 
diff --git a/source/net/yacy/cora/util/JSONException.java b/source/net/yacy/cora/util/JSONException.java
index 56cb23346..fc8b0d7b8 100644
--- a/source/net/yacy/cora/util/JSONException.java
+++ b/source/net/yacy/cora/util/JSONException.java
@@ -27,7 +27,7 @@ public class JSONException extends Exception {
     }
 
     @Override
-    public Throwable getCause() {
+    public synchronized Throwable getCause() {
         return this.cause;
     }
 }
diff --git a/source/net/yacy/document/Document.java b/source/net/yacy/document/Document.java
index ed3ec6e5b..118ae1edc 100644
--- a/source/net/yacy/document/Document.java
+++ b/source/net/yacy/document/Document.java
@@ -641,7 +641,6 @@ dc_rights
                     assert false;
                     continue loop;
                 }
-                if (url == null) continue loop;
                 u = url.toNormalform(true);
                 if ((pos = u.toLowerCase().indexOf("http://", 7)) > 0) {
                     i.remove();