fix MultiProtocolURL init (assign of host) for urls with '/' in query part

+ add to test case

source/net/yacy/cora/document/id/MultiProtocolURL.java

@@ -216,7 +216,13 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
         if (!this.protocol.equals("file") && url.substring(p + 1, p + 3).equals("//")) {
             // identify host, userInfo and file for http and ftp protocol
             int q = url.indexOf('/', p + 3);
-            if (q < 0) q = url.indexOf("?", p + 3); // check for www.test.com?searchpart
+            if (q < 0) { // check for www.test.com?searchpart
+                q = url.indexOf("?", p + 3);
+            } else { // check that '/' was not in searchpart (example http://test.com?data=1/2/3)
+                if (url.lastIndexOf("?",q) >= 0) {
+                    q = url.lastIndexOf("?",q);
+                }
+            }
             int r;
             if (q < 0) {
                 if ((r = url.indexOf('@', p + 3)) < 0) {

test/java/net/yacy/cora/document/id/MultiProtocolURLTest.java

@@ -127,6 +127,9 @@ public class MultiProtocolURLTest {
             new String[]{"http://www.yacy.net?query=test", "www.yacy.net"},
             new String[]{"http://www.yacy.net:?query=test", "www.yacy.net"},
             new String[]{"//www.yacy.net:?query=test", "www.yacy.net"},
+            
+            new String[]{"http://www.yacy.net?data=1/2/3", "www.yacy.net"},
+            new String[]{"http://www.yacy.net?url=http://test.com", "www.yacy.net"}
         };
 
         for (int i = 0; i < testStrings.length; i++) {