[GitHub] [incubator-shardingsphere] tanhaican opened a new issue #3097: Unknown system variable 'query_cache_size'

[GitBox <gi...@apache.org>]

tanhaican opened a new issue #3097: Unknown system variable 'query_cache_size'
URL: https://github.com/apache/incubator-shardingsphere/issues/3097
 
 
   ## Bug Report
   
   - There are 4 similar issues, but none of them are exactly like me
   - I've tried after the document, but still can not solve the problem
   
   ### Which version of ShardingSphere did you use?
   First, I tried apache-shardingsphere-incubating-4.0.0-RC2-sharding-proxy-bin, Then, I build myself from dev branch (2019-09-24)
   
   ### Which project did you use? Sharding-JDBC or Sharding-Proxy?
   Sharding-Proxy
   
   ### Expected behavior
   Connected successfully by SpringBoot Application with Druid Or HikariCP Datasource
   
   ### Actual behavior
   Connected successfully by Navicat (sometimes throws NullPointerException: null, but still work)
    Both of Druid or HikariCP in my SpringBoot Application start faild by throwing "Failed to initialize pool: Unknown system variable 'query_cache_size' "
   
   ### Reason analyze (If you can)
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
   1. Sharding-Proxy (4.0.0-RC2) (config-sharding.yaml)
   2. SprintBoot with Druid or HikariCP
   3. MySQL 8.0.12
   4. Tried mysql-connector-java-5.1.44、mysql-connector-java-8.0.17.jar in SpringBoot application and sharding-proxy/lib，none of them works
   
   ### Example codes for reproduce this issue (such as a github link).
   [config-sharding.yaml.txt](https://github.com/apache/incubator-shardingsphere/files/3645028/config-sharding.yaml.txt)
   
   [server.yaml.txt](https://github.com/apache/incubator-shardingsphere/files/3645029/server.yaml.txt)
   

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