#368-issue-nullpointer-when-all-fields-are-null (#370)

Author: marioTemprano

README.md

@@ -1,8 +1,3 @@
-## ❗❗ We have moved
-
-We have migrated to a new domain: https://github.com/sngular/kloadgen  
-You can find it and keep using it as usual from there.
-
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/85c9817742944668b5cc75e3fa1cdb23)](https://app.codacy.com/gh/sngular/kloadgen?utm_source=github.com&utm_medium=referral&utm_content=sngular/kloadgen&utm_campaign=Badge_Grade_Dashboard)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.sngular/kloadgen/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.sngular/kloadgen)
 

pom-maven-central.xml

@@ -7,7 +7,7 @@
 
   <artifactId>kloadgen</artifactId>
 
-  <version>5.5.0</version>
+  <version>5.5.1</version>
 
   <name>KLoadGen</name>
   <description>Load Generation Jmeter plugin for Kafka Cluster. Supporting AVRO, JSON Schema and Protobuf schema types. Generate Artificial

pom.xml

@@ -7,7 +7,7 @@
 
   <artifactId>kloadgen</artifactId>
 
-  <version>5.5.0</version>
+  <version>5.5.1</version>
 
   <name>KLoadGen</name>
   <description>Load Generation Jmeter plugin for Kafka Cluster. Supporting AVRO, JSON Schema and Protobuf schema types. Generate Artificial

src/main/java/com/sngular/kloadgen/sampler/KafkaProducerSampler.java

@@ -199,12 +199,10 @@ private Boolean enrichedValueFlag() {
   }
 
   private void fillSamplerResult(final ProducerRecord<Object, Object> producerRecord, final SampleResult sampleResult) {
-    if (Objects.isNull(producerRecord.key())) {
-      sampleResult.setSamplerData(String.format("key: null, payload: %s", producerRecord.value().toString()));
-    } else {
-      sampleResult.setSamplerData(String.format("key: %s, payload: %s", producerRecord.key().toString(),
-                                                producerRecord.value().toString()));
-    }
+    StringBuilder result = new StringBuilder();
+    result.append("key: ").append(producerRecord.key())
+          .append(", payload: ").append(producerRecord.value());
+    sampleResult.setSamplerData(result.toString());
   }
 
   private void fillSampleResult(final SampleResult sampleResult, final String respondeData, final boolean successful) {