fix bug #43

Author: shi-yuan

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>org.ansj</groupId>
 	<artifactId>elasticsearch-analysis-ansj</artifactId>
-	<version>5.0.1.0</version>
+	<version>5.0.1.1</version>
 	<description>elasticsearch analysis by ansj</description>
 	<name>elasticsearch-analysis-ansj</name>
 	<url>http://maven.nlpcn.org</url>

src/main/java/org/ansj/elasticsearch/cat/AnalyzerCatAction.java

@@ -11,6 +11,7 @@
 import org.elasticsearch.rest.RestResponse;
 import org.elasticsearch.rest.action.RestResponseListener;
 import org.elasticsearch.rest.action.cat.AbstractCatAction;
+import org.nlpcn.commons.lang.util.StringUtil;
 
 /**
  * 分词的cat
@@ -32,7 +33,11 @@ protected RestChannelConsumer doCatRequest(RestRequest request, NodeClient clien
         analyzeRequest.text(texts);
         analyzeRequest.analyzer(request.param("analyzer"));
         analyzeRequest.field(request.param("field"));
-        analyzeRequest.tokenizer(request.param("tokenizer"));
+
+        String tokenizer = request.param("tokenizer");
+        if (StringUtil.isNotBlank(tokenizer)) {
+            analyzeRequest.tokenizer(tokenizer);
+        }
 
         String[] filters = request.paramAsStringArray("token_filters", request.paramAsStringArray("filters", new String[0]));
         for (String filter : filters) {