srb.setIndices( indexName );
srb.addFields( "id" );
try {
resp = srb.execute().actionGet();
} catch ( SearchPhaseExecutionException e ) {
if ( e.getMessage().contains( "dotraw] in order to sort on" ) ) {
return new InternalSearchHits( InternalSearchHits.EMPTY, 0, 0 );
} else {
throw e;