[GitHub] [skywalking] whohasthis opened a new issue #7808: [Bug] The traceId get from logstash are all mixed up accross multiple tomcat threads

[GitBox]

whohasthis opened a new issue #7808:
URL: https://github.com/apache/skywalking/issues/7808


   ### Search before asking
   
   - [X] I had searched in the 
[issues](https://github.com/apache/skywalking/issues?q=is%3Aissue) and found no 
similar issues.
   
   
   ### Apache SkyWalking Component
   
   Java Agent (apache/skywalking-java)
   
   ### What happened
   
   We use TraceIdJsonProvider of apm-toolkit-logback-1.x to add the trace id 
into the logstash fields sent to ELK,  we are expecting to use the trace id to 
get all related log message throughout all services that the trace id involves. 
   
   Below is the logback config part related to the trace id logstash appender
   
   <appender name="logstash"
           class="net.logstash.logback.appender.LogstashTcpSocketAppender">
           <destination>logstash.:5045</destination>
           <encoder class="net.logstash.logback.encoder.LogstashEncoder">
               <customFields>
                   {
                   "service" : {
                   "category" : "xxx",
                   "type" : "xxxxx",
                   "name" : "xxx-xxx-xx"
                   }
                   }
               </customFields>
               <provider 
class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.logstash.TraceIdJsonProvider"
 />
           </encoder>
       </appender>
   
   But somehow the trace ids are all mixed up, we are seeing that one trace id 
associated to many different tomcat thread name  in the same short period of 
time, below are part of the result we found on ELK
   
   
![elk-traceid](https://user-images.githubusercontent.com/61497460/134808657-54b1a706-d8f1-42a7-859e-1d1e3889e624.png)
   
   
   
   ### What you expected to happen
   
   We expect to get one trace id per one thread name during the same period of 
time, not all mixed up accoss many different thread names.
   
   ### How to reproduce
   
   We use skywalking 8.4.0, OS centos 6.7, 
   Skywalking OAP server is running on K8S env, using ES 6.7 as the storage.
   The service is running on tomcat 8.5.65 with spring MVC framework.
   
   ### Anything else
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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