Exception in thread “Thread-7“ java.nio.channels.NotYetConnectedException

使用netty的时候出现了这个异常,这个异常就是说没有成功建立连接。
你可以看看在connection的时候,有没有sync同步。

channel = client.connect("localhost",9090).sync();
在dataworks上使用scala编写spark任务,获取hologres表数据,数据量有1个亿, 现在报错 2025-08-04 10:04:28,985 ERROR org.apache.spark.ContextCleaner - Error cleaning broadcast 7 org.apache.spark.SparkException: Exception thrown in awaitResult: at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:205) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.rpc.RpcTimeout.awaitResult(RpcTimeout.scala:75) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.storage.BlockManagerMaster.removeBroadcast(BlockManagerMaster.scala:155) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.broadcast.TorrentBroadcast$.unpersist(TorrentBroadcast.scala:321) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.broadcast.TorrentBroadcastFactory.unbroadcast(TorrentBroadcastFactory.scala:45) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.broadcast.BroadcastManager.unbroadcast(BroadcastManager.scala:66) ~[spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.ContextCleaner.doCleanupBroadcast(ContextCleaner.scala:238) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.ContextCleaner$$anonfun$org$apache$spark$ContextCleaner$$keepCleaning$1$$anonfun$apply$mcV$sp$1.apply(ContextCleaner.scala:194) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.ContextCleaner$$anonfun$org$apache$spark$ContextCleaner$$keepCleaning$1$$anonfun$apply$mcV$sp$1.apply(ContextCleaner.scala:185) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at scala.Option.foreach(Option.scala:257) [scala-library-2.11.8.jar:?] at org.apache.spark.ContextCleaner$$anonfun$org$apache$spark$ContextCleaner$$keepCleaning$1.apply$mcV$sp(ContextCleaner.scala:185) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1319) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.ContextCleaner.org$apache$spark$ContextCleaner$$keepCleaning(ContextCleaner.scala:178) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] at org.apache.spark.ContextCleaner$$anon$1.run(ContextCleaner.scala:73) [spark-core_2.11-2.3.0-odps0.30.0.jar:?] Caused by: java.io.IOException: Failed to send RPC 5204201379953139886 to /25.91.0.79:52768: java.nio.channels.ClosedChannelException at org.apache.spark.network.client.TransportClient.lambda$sendRpc$2(TransportClient.java:237) ~[spark-network-common_2.11-2.3.0-odps0.30.0.jar:?] at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:987) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:869) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1316) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:38) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1081) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1128) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1070) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) ~[netty-all-4.1.17.Final.jar:4.1.17.Final] at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_65-AliJVM] Caused by: java.nio.channels.ClosedChannelException at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source) ~[netty-all-4.1.17.Final.jar:4.1.17.Final]
最新发布
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