better status code when failing to parse

src/main/java/org/elasticsearch/ElasticSearchParseException.java

@@ -19,6 +19,8 @@
 
 package org.elasticsearch;
 
+import org.elasticsearch.rest.RestStatus;
+
 /**
  *
  */
@@ -31,4 +33,9 @@ public class ElasticSearchParseException extends ElasticSearchException {
     public ElasticSearchParseException(String msg, Throwable cause) {
         super(msg, cause);
     }
+
+    @Override
+    public RestStatus status() {
+        return RestStatus.BAD_REQUEST;
+    }
 }