elasticsearch-1.4.0 使用自带的query rewriter 出现问题

curl -XGET 'localhost:9200/clients/_search?pretty' -d '{
"query" : {
"prefix" : {
"name" : "j",
"rewrite" : "constant_score_boolean"
}
}
}'
执行出现问题，"SearchPhaseExecutionException[Failed to execute phase [query], all shards failed;