*) Bugfix for IllegalMonitorStateException

See: http://www.yacy-forum.de/viewtopic.php?t=3522

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3358 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/plasma/plasmaCrawlBalancer.java

@@ -164,7 +164,7 @@ public class plasmaCrawlBalancer {
                 // this is only to protect against the worst case, where the crawler could
                 // behave in a DoS-manner
                 long sleeptime = minimumDelta - delta;
-                try {this.wait(sleeptime);} catch (InterruptedException e) {}
+                try {synchronized(this) { this.wait(sleeptime); }} catch (InterruptedException e) {}
             }
             domainAccess.put(entry.substring(6), new Long(System.currentTimeMillis()));
             return entry;