failed to create a child event loop at

[IanGely]

XXL-JOB VERSION: 2.1.2

msg：com.xxl.rpc.util.XxlRpcException: java.lang.IllegalStateException: failed to create a child event loop at com.xxl.rpc.remoting.invoker.reference.XxlRpcReferenceBean$1.invoke(XxlRpcReferenceBean.java:250) at com.sun.proxy.$Proxy92.run(Unknown Source) at com.xxl.job.admin.core.trigger.XxlJobTrigger.runExecutor(XxlJobTrigger.java:196) at com.xxl.job.admin.core.trigger.XxlJobTrigger.processTrigger(XxlJobTrigger.java:149) at com.xxl.job.admin.core.trigger.XxlJobTrigger.trigger(XxlJobTrigger.java:74) at com.xxl.job.admin.core.thread.JobTriggerPoolHelper$3.run(JobTriggerPoolHelper.java:90) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:58) at io.netty.channel.MultithreadEventLoopGroup.(MultithreadEventLoopGroup.java:52) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:88) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:83) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:64) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:52) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:44) at com.xxl.rpc.remoting.net.impl.netty_http.client.NettyHttpConnectClient.init(NettyHttpConnectClient.java:53) at com.xxl.rpc.remoting.net.common.ConnectClient.getPool(ConnectClient.java:111) at com.xxl.rpc.remoting.net.common.ConnectClient.asyncSend(ConnectClient.java:41) at com.xxl.rpc.remoting.net.impl.netty_http.client.NettyHttpClient.asyncSend(NettyHttpClient.java:18) at com.xxl.rpc.remoting.invoker.reference.XxlRpcReferenceBean$1.invoke(XxlRpcReferenceBean.java:239) ... 8 more Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:181) at io.netty.channel.nio.NioEventLoop.(NioEventLoop.java:147) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:138) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:37) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:84) ... 20 more Caused by: java.io.IOException: Too many open files at sun.nio.ch.IOUtil.makePipe(Native Method) at sun.nio.ch.EPollSelectorImpl.(EPollSelectorImpl.java:65) at sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:36) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:179) ... 24 more

[xuxueli]

你好，这个问题是存在非法执行器节点，无法正常通讯导致的，概率比较低。 升级xxl-rpc版本可以解决。或者升级xxl-job到最新版本也可以解决。