kafka消息类型String改为byte

@@ -4,8 +4,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Sets;
 import com.yoho.trace.handler.TraceHandlerStarter;
 import com.yoho.trace.sleuth.Spans;
-import kafka.serializer.StringDecoder;
-import org.apache.commons.lang3.StringUtils;
+import kafka.serializer.DefaultDecoder;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.function.Function0;
 import org.apache.spark.streaming.Durations;
@@ -55,19 +54,19 @@ public class TraceExecutor {
         kafkaParamMap.put("fetch.message.max.bytes", "104857600");
         kafkaParamMap.put("group.id", kafkaPro.getGroup());
         HashSet<String> topics = Sets.newHashSet(kafkaPro.getTopic());
-        JavaPairInputDStream<String, String> kafkaPairInputStream = KafkaUtils.createDirectStream(streamingContext,
-                String.class,
-                String.class,
-                StringDecoder.class,
-                StringDecoder.class,
+        JavaPairInputDStream<byte[], byte[]> kafkaPairInputStream = KafkaUtils.createDirectStream(streamingContext,
+                byte[].class,
+                byte[].class,
+                DefaultDecoder.class,
+                DefaultDecoder.class,
                 kafkaParamMap,
                 topics);
         JavaDStream<Spans> kafkaMsgDStream = kafkaPairInputStream.mapPartitions(msgIterator -> {
             List<Spans> messages = new ArrayList<>();
             ObjectMapper jacksonMapper = new ObjectMapper();
             while (msgIterator.hasNext()) {
-                Tuple2<String, String> msgTuple2 = msgIterator.next();
-                if (StringUtils.isNoneBlank(msgTuple2._2())) {
+                Tuple2<byte[], byte[]> msgTuple2 = msgIterator.next();
+                if (msgTuple2._2() != null && msgTuple2._2().length > 0) {
                     Spans spans = null;
                     try {
                         spans = jacksonMapper.readValue(msgTuple2._2(), Spans.class);

 package com.yoho.trace.handler;
 
 import com.yoho.trace.sleuth.Spans;
-import com.yoho.trace.sleuth.TraceStoreUtils;
+import com.yoho.trace.sleuth.util.TraceStoreUtils;
 import org.apache.spark.streaming.api.java.JavaDStream;
 
 /**

@@ -16,6 +16,7 @@
 
 package com.yoho.trace.sleuth;
 
+import com.yoho.trace.sleuth.util.StringUtils;
 import org.apache.commons.collections.CollectionUtils;
 
 import java.util.Collection;

@@ -15,6 +15,7 @@
  */
 package com.yoho.trace.sleuth;
 
+import com.yoho.trace.sleuth.util.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import zipkin.BinaryAnnotation;

@@ -19,6 +19,7 @@ package com.yoho.trace.sleuth;
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.yoho.trace.sleuth.util.StringUtils;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.yoho.trace.sleuth;
+package com.yoho.trace.sleuth.util;
 
 import org.apache.commons.collections.CollectionUtils;
 

-package com.yoho.trace.sleuth;
+package com.yoho.trace.sleuth.util;
 
+import com.yoho.trace.sleuth.Spans;
+import com.yoho.trace.sleuth.ZipkinESStoreConfiguration;
+import com.yoho.trace.sleuth.ZipkinMessageListener;
 import org.apache.commons.collections.CollectionUtils;
 
 /**