elasticsearch-analysis-ik链接mysql提示找不到驱动

Question

java.sql.SQLException: No suitable driver found for jdbc:mysql://xxx.xxx.xx.xxx:3306/reqqwe?serverTimezone=GMT

at java.sql.DriverManager.getConnection(DriverManager.java:702) ~[java.sql:?]
at java.sql.DriverManager.getConnection(DriverManager.java:228) ~[java.sql:?]
at org.wltea.analyzer.dic.Dictionary.loadMySQLStopwordDict(Dictionary.java:658) [elasticsearch-analysis-ik-7.8.0.jar:?]
at org.wltea.analyzer.dic.Dictionary.loadStopWordDict(Dictionary.java:603) [elasticsearch-analysis-ik-7.8.0.jar:?]
at org.wltea.analyzer.dic.Dictionary.reLoadMainDict(Dictionary.java:632) [elasticsearch-analysis-ik-7.8.0.jar:?]
at org.wltea.analyzer.dic.HotDictReloadThread.run(HotDictReloadThread.java:15) [elasticsearch-analysis-ik-7.8.0.jar:?]
at java.lang.Thread.run(Thread.java:832) [?:?]

各个版本的mysql 都试过了 jdk安装目录也放了jar包 一直提示是找不到驱动

mysql版本为 5.7.28