lujiajing1126 commented on issue #10679:
URL: https://github.com/apache/skywalking/issues/10679#issuecomment-1506624251

   We are not clear about what actually happened in these cases. But it is 
abnormal.
   
   There is no significant differences of `redis.clients.jedis.Pipeline` at 
source code level between versions `2.5.2, 2.6.3` and `2.7.3, 2.8.2, 2.9.0`. 
But when we were debugging the 
[WitnessFinder](https://github.com/apache/skywalking-java/blob/24858574474e0656e13c592a2c38d83b0637c7f5/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/WitnessFinder.java#L74),
 we've observed over 300 hundreds method tokens for 
`redis.clients.jedis.Pipeline` from `2.5.2, 2.6.3` but only ~10 method tokens 
for `redis.clients.jedis.Pipeline` from `2.7.3, 2.8.2, 2.9.0`.
   
   One possible reason is that the resolved `redis.clients.jedis.Pipeline` has 
already been transformed by another plugin and then it gave wrong 
`declaredMethods`. We will further investigate this issue.
   
   


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