singlethreadeventexecutor专题

spark程序执行报io.netty.util.concurrent.SingleThreadEventExecutor.<init>

io.netty.util.concurrent.SingleThreadEventExecutor.<init>(Lio/netty/util/concurrent/EventExecutorGroup;Ljava/util/concurrent/Executor;ZLjava/util/Queue;Lio/netty/util/concurrent/RejectedExecutionHandl