Messages

I have Enterprise version of konakart. M implementing solr but i have problem in that. If i use  " http://localhost:8780/solr/select/?q=test "     this url then it gave me error. and i use " http://localhost:8780/solr/select/?q=30 "   this url then its working correctyl. If q= string then only it will give error other wise not.. Can you help me plzzz......