Python Program

you can run: export command export LUAJIT_LIB=/usr/local/yourdir/luajit/lib export LUAJIT_INC=/usr/local/yourdir/luajit/include/luajit-2.1/ found luajit.h

我的mycat 1.6.5 版本，换了mysql-connector-java-8.0.22.jar 驱动，可以连接MySQL8.0.22 ，但是java 应用程序，使用mysql-connector-java-8.0.22.jar 连不上mycat，请问怎么解决

java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:906) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:831) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:456)...