spring cloud sleuth集成zipkin后，默认配置下没有什么问题！
但是将跟踪数据存储存改成elasticsearch后Dependencies的依赖关系就无法查看了，这个问题困扰了很久，断断续续找了很久，无意参考到 这位仁兄的解释
看源码发现ElasticsearchHttpSpanStore是通过查找库中的dependencylink来计算dependency tree的，但是源码中并未看到elastisc search将其持久化到es，请问是否暂未被sc支持，或者需要额外启用？========================================================================================================================================================================================================搞定了。https://github.com/openzipkin/zipkin-dependencies 按照说明下载最新的jar，然后执行如下命令，则会基于es算出dependenciesSTORAGE_TYPE=elasticsearch ES_HOSTS=hostOfElasticSearch ES_DATE_SEPARATOR=. java -jar zipkin-dependencies.jar
其中根据这里的操作提示即可
首先下载jar包
wget -O zipkin-dependencies.jar 'https://search.maven.org/remote_content?g=io.zipkin.dependencies&a=zipkin-dependencies&v=LATEST'
然后根据storage填写参数即可
这里只写elasticsearch，如果是其它数据库的查看查看就行了
Elasticsearch Storage
运行下面的命令
STORAGE_TYPE=elasticsearch ES_HOSTS=http://localhost:9200 java -jar zipkin-dependencies.jar
STORAGE_TYPE #是哪个数据库，如果是elasticsearch就写elasticsearch，mysql的就写mysql，如此类推
ES_HOSTS #是指elasticsearch数据库地址，如果有多个用逗号隔开即可如:ES_HOSTS=host1,host2
java -jar xxx.jar 运行jar包
执行命令大概几秒钟就完成了，执行完成后，再查看Dependencies依赖关系图就会显示出来了
17/09/27 15:53:23 INFO ElasticsearchDependenciesJob: Processing spans from zipkin-2017-09-27/span17/09/27 15:53:23 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable17/09/27 15:53:25 WARN Java7Support: Unable to load JDK7 types (annotations, java.nio.file.Path): no Java7 support added17/09/27 15:53:34 INFO ElasticsearchDependenciesJob: Saving dependency links to zipkin-2017-09-27/dependencylink17/09/27 15:53:35 INFO ElasticsearchDependenciesJob: Processing spans from zipkin:span-2017-09-27/span17/09/27 15:53:35 INFO ElasticsearchDependenciesJob: No spans found at zipkin:span-2017-09-27/span