> It seems work fine again after I change "author" field type > from text to > string, could anybody give some info about it? very > appriciated.
http://wiki.apache.org/solr/FAQ#Why_Isn.27t_Sorting_Working_on_my_Text_Fields.3F And also see Erick's explanation http://search-lucene.com/m/7fnj1TtNde/sort+on+a+tokenized+field&subj=Re+Solr+sorting+problem
