flink 任务启动失败:Caused by: java.lang.ClassCastException: io.netty.channel.epoll.EpollEventLoopGroup can
场景:使用flink连接Cassandra报错:Causedby:java.lang.ClassCastException:io.netty.channel.epoll.EpollEventLoopGroupcannotbecasttoio.netty.channel.EventLoopGroupatcom.datastax.driver.core.NettyUtil.newEventLoopGr