Multiple bugs

README.md

@@ -15,7 +15,7 @@ JMeter ElasticSearch Backend Listener is a JMeter plugin enabling you to send te
 * Bulk requests
   * By making bulk requests, there are practically no impacts on the performance of the tests themselves. 
 * Filters
-  * Only send the samples you want by using Filters! Simply type them as follows in the appropriate field : ``filter1;filter2;filter3`` or ``sampleLabel_must_contain_this``.
+  * Only send the samples you want by using Filters! Simply type them as follows in the field ``es.sample.filter`` : ``filter1;filter2;filter3`` or ``sampleLabel_must_contain_this``.
 * Specific fields ```field1;field2;field3`
   * Specify fields that you want to send to ElasticSearch (possible fields below)
      * AllThreads
@@ -56,7 +56,7 @@ JMeter ElasticSearch Backend Listener is a JMeter plugin enabling you to send te
 <dependency>
   <groupId>io.github.delirius325</groupId>
   <artifactId>jmeter.backendlistener.elasticsearch</artifactId>
-  <version>2.6.10</version>
+  <version>2.6.10-SNAPSHOT</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>io.github.delirius325</groupId>
 	<artifactId>jmeter.backendlistener.elasticsearch</artifactId>
-	<version>2.6.10</version>
+	<version>2.6.10-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>jmeter.backendlistener.elasticsearch</name>

src/main/java/io/github/delirius325/jmeter/backendlistener/elasticsearch/ElasticSearchMetric.java

@@ -20,6 +20,8 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import static org.apache.commons.lang.math.NumberUtils.isNumber;
+
 public class ElasticSearchMetric {
     private static final Logger logger = LoggerFactory.getLogger(ElasticSearchMetric.class);
     private SampleResult sampleResult;
@@ -31,8 +33,9 @@ public class ElasticSearchMetric {
     private boolean allReqHeaders;
     private boolean allResHeaders;
 
-    public ElasticSearchMetric(SampleResult sr, String testMode, String timeStamp, int buildNumber,
-                               boolean parseReqHeaders, boolean parseResHeaders, Set<String> fields) {
+    public ElasticSearchMetric(
+            SampleResult sr, String testMode, String timeStamp, int buildNumber,
+            boolean parseReqHeaders, boolean parseResHeaders, Set<String> fields) {
         this.sampleResult = sr;
         this.esTestMode = testMode.trim();
         this.esTimestamp = timeStamp.trim();
@@ -155,18 +158,16 @@ private void addElapsedTime() {
      */
     private void addCustomFields(BackendListenerContext context) {
         Iterator<String> pluginParameters = context.getParameterNamesIterator();
+        String parameter;
         while (pluginParameters.hasNext()) {
             String parameterName = pluginParameters.next();
 
-            if (!parameterName.startsWith("es.") && !context.getParameter(parameterName).trim().equals("")) {
-                String parameter = context.getParameter(parameterName).trim();
-
-                try {
+            if (!parameterName.startsWith("es.") && context.containsParameter(parameterName)
+                    && !"".equals(parameter = context.getParameter(parameterName).trim())) {
+                if (isNumber(parameter)) {
                     addFilteredJSON(parameterName, Long.parseLong(parameter));
-                } catch (Exception e) {
-                    if (logger.isDebugEnabled())
-                        logger.debug("Cannot convert custom field to number");
-                    addFilteredJSON(parameterName, context.getParameter(parameterName).trim());
+                } else {
+                    addFilteredJSON(parameterName, parameter);
                 }
             }
         }
@@ -217,7 +218,7 @@ private void parseHeadersAsJsonProps(boolean allReqHeaders, boolean allResHeader
 
                 // if not all res/req headers and header contains special X-tag
                 if (!allReqHeaders && !allResHeaders && header.length > 1) {
-                    if (header[0].startsWith("X-es-backend")) {
+                    if (header[0].startsWith("X-es-backend-")) {
                         this.json.put(header[0].replaceAll("X-es-backend-", "").trim(), header[1].trim());
                     }
                 }
@@ -280,4 +281,5 @@ public Date getElapsedTime(boolean forBuildComparison) {
             return null;
         }
     }
+
 }

src/main/java/io/github/delirius325/jmeter/backendlistener/elasticsearch/ElasticSearchMetricSender.java

@@ -87,13 +87,11 @@ private Request setAuthorizationHeader(Request request) {
 
     /**
      * This method creates the ElasticSearch index.
-     * 
-     * @throws IOException
      */
-    public void createIndex() throws IOException {
+    public void createIndex() {
         try {
             this.client.performRequest(setAuthorizationHeader(new Request("PUT", "/" + this.esIndex)));
-        } catch (Exception e) {
+        } catch (IOException e) {
             logger.info("Index already exists!");
         }
     }
@@ -104,7 +102,8 @@ public int getElasticSearchVersion() {
     	 try {
              Response response = this.client.performRequest(setAuthorizationHeader(request));
              if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK && logger.isErrorEnabled()) {
-                 logger.error("Unable to perform request to ElasticSearch engine", this.esIndex);
+                 logger.error("Unable to perform request to ElasticSearch engine for index {}. Response status: {}",
+                              this.esIndex, response.getStatusLine().toString());
              }else {
             	 String responseBody = EntityUtils.toString(response.getEntity());
      			 JSONObject elasticSearchConfig = new JSONObject(responseBody);
@@ -152,8 +151,14 @@ public void sendRequest(int elasticSearchVersionPrefix) {
 
             Response response = this.client.performRequest(setAuthorizationHeader(request));
 
-            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK && logger.isErrorEnabled()) {
-                logger.error("ElasticSearch Backend Listener failed to write results for index {}", this.esIndex);
+            if (logger.isErrorEnabled()) {
+                if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+                    logger.error("ElasticSearch Backend Listener failed to write results for index {}. Response status: {}",
+                                 this.esIndex, response.getStatusLine().toString());
+                } else {
+                    logger.debug("ElasticSearch Backend Listener has successfully written to ES instance [{}] _bulk request {}",
+                                 client.getNodes().iterator().next().getHost().toHostString(), request.toString());
+                }
             }
         } catch (Exception e) {
             if (logger.isErrorEnabled()) {

src/main/java/io/github/delirius325/jmeter/backendlistener/elasticsearch/ElasticsearchBackendClient.java

@@ -1,4 +1,4 @@
-package io.github.delirius325.jmeter.backendlistener.elasticsearch;
+    package io.github.delirius325.jmeter.backendlistener.elasticsearch;
 
 import java.util.*;
 import java.util.regex.Matcher;
@@ -11,7 +11,6 @@
 import org.apache.jmeter.samplers.SampleResult;
 import org.apache.jmeter.util.JMeterUtils;
 import org.apache.jmeter.visualizers.backend.AbstractBackendListenerClient;
-import org.apache.jmeter.visualizers.backend.BackendListener;
 import org.apache.jmeter.visualizers.backend.BackendListenerContext;
 import org.elasticsearch.client.Node;
 import org.elasticsearch.client.RestClient;

src/test/java/io/github/delirius325/jmeter/backendlistener/elasticsearch/TestElasticSearchBackendHTTPsConnection.java

@@ -52,7 +52,7 @@ public void onFailure(Node node) {
     }
 
     @Test
-    public void createIndex() throws Exception {
+    public void createIndex() {
         sender.createIndex();
     }
 }