[GitHub] liyongfa0311 opened a new issue #2208: The UI cannot be accessed when a collector hangs

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liyongfa0311 opened a new issue #2208: The UI cannot be accessed when a collector  hangs
URL: https://github.com/apache/incubator-skywalking/issues/2208
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [x] Question or discussion
   - [ ] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Question
   - What do you want to know?
    I have deployed the cluster, I found that after a collector is hanged, the UI is inaccessible.Does deploying cluster mode also require all nodes to survive? When I configure the listOfServers option of the webapp.yml file to be a partial node，"com.netflix.zuul.exception.ZuulException: Forwarding error" error occurs in the webapp.log file,Also, the agent's collector.backend_service parameter configures all nodes. ,Will the data be lost when some nodes are hanged ?
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   skywalking 6..0.0-GA
   OS :centos 7.3
   JRE:1.8
   - Which company or project?
   
   - What happen?
   If possible, provide a way for reproducing the error. e.g. demo application, component version.
   How to configure can guarantee that my program is still normal when a node hangs, including page access
   ___
   ### Requirement or improvement
   - Please describe about your requirements or improvement suggestions.

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