xiaoni157 opened a new issue #2038: Connection es failed NoNodeAvailableException URL: https://github.com/apache/incubator-skywalking/issues/2038 - Why do you submit this issue? - [ ✅] Question or discussion ___ ### Question - What do you want to know? Why is the connection abnormal ___ ### Bug - Which version of SkyWalking, OS and JRE? skywalking :5.0.0-GA ElasticSearch version: 5.5 aliyun es server jdk :1.8.0_171 OS:linux aliyun Ecs server - What happen? If possible, provide a way for reproducing the error. e.g. demo application, component version. The error i am getting in collector.log: <img width="1410" alt="third" src="https://user-images.githubusercontent.com/24448049/49859809-6ff64d80-fe33-11e8-9d6f-547d28acf4b0.png"> Here is my skywalking configuration file application.yml: ![firsh](https://user-images.githubusercontent.com/24448049/49859741-46d5bd00-fe33-11e8-9c62-aa36d17e62e7.jpeg) <img width="1091" alt="second" src="https://user-images.githubusercontent.com/24448049/49859745-49d0ad80-fe33-11e8-9914-d8250ade1fe6.png"> elasticsearch.yml is the default configuration of es server
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