update to Netty 4.1.50

elx-transport/src/main/java/org/xbib/elx/transport/TransportClientHelper.java

@@ -58,7 +58,7 @@ public class TransportClientHelper {
         Collection<TransportAddress> addrs = findAddresses(settings);
         if (!connect(transportClient, addrs, settings.getAsBoolean("autodiscover", false))) {
             throw new NoNodeAvailableException("no cluster nodes available, check settings "
-                    + settings.toString());
+                    + settings.getAsMap());
         }
     }
 

gradle.properties

@@ -6,7 +6,7 @@ gradle.wrapper.version = 6.4.1
 xbib-metrics.version = 2.1.0
 xbib-guice.version = 4.4.2
 xbib-guava.version = 28.1
-xbib-netty-http.version = 4.1.49.1
+xbib-netty-http.version = 4.1.50.0
 elasticsearch.version = 2.2.1
 # jackson.version = 2.9.10
 jackson.version = 2.11.0