Remove request handler from common query parameters transformer since it is part of native params already
diff --git a/core/org.eclipse.smila.solr/code/src/org/eclipse/smila/solr/query/QueryTransformer.java b/core/org.eclipse.smila.solr/code/src/org/eclipse/smila/solr/query/QueryTransformer.java
index 33fe3b3..1ceff92 100755
--- a/core/org.eclipse.smila.solr/code/src/org/eclipse/smila/solr/query/QueryTransformer.java
+++ b/core/org.eclipse.smila.solr/code/src/org/eclipse/smila/solr/query/QueryTransformer.java
@@ -97,11 +97,6 @@
     if (!ArrayUtils.isEmpty(fields)) {
       solrQuery.setFields(fields);
     }
-    // request handler
-    final String qt = _params.getRequestHandler();
-    if (qt != null) {
-      solrQuery.setRequestHandler(qt);
-    }
     // if highlighting is enabled the id field must be part of resultAttributes
     if (_params.hasHighlightConfig()) {
       final String idField = _config.getIdField(_index);
@@ -334,9 +329,8 @@
             // tag
             final String tag =
               new StringBuffer(CommonParams.FQ).append(QueryStringConstants.UNDERSCORE).append(label).toString();
-            localParams =
-              SolrUtils
-                .putLocalParam(filter, QueryStringConstants.TAG, tag, multiselect, LocalParamsMode.OVERWRITE);
+            localParams = SolrUtils.putLocalParam(filter, QueryStringConstants.TAG, tag, multiselect,
+              LocalParamsMode.OVERWRITE);
             // ex
             SolrUtils.putLocalParam(facet, QueryStringConstants.EX, tag, true, LocalParamsMode.ADD);
           }