Hi there I am new to flume, and trying to use flume to tail a logfile and push the messages via flume to sparkstreaming. However , I got an exception like below: 16/08/26 15:55:24 ERROR flume.SinkRunner: Unable to deliver event. Exception follows. org.apache.flume.EventDeliveryException: Failed to send events at org.apache.flume.sink.AbstractRpcSink.process(AbstractRpcSink.java:392) at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.flume.FlumeException: NettyAvroRpcClient { host: master60, port: 31002 }: RPC connection error at org.apache.flume.api.NettyAvroRpcClient.connect(NettyAvroRpcClient.java:182) at org.apache.flume.api.NettyAvroRpcClient.connect(NettyAvroRpcClient.java:121) at org.apache.flume.api.NettyAvroRpcClient.configure(NettyAvroRpcClient.java:638) at org.apache.flume.api.RpcClientFactory.getInstance(RpcClientFactory.java:89) at org.apache.flume.sink.AvroSink.initializeRpcClient(AvroSink.java:127) at org.apache.flume.sink.AbstractRpcSink.createConnection(AbstractRpcSink.java:211) at org.apache.flume.sink.AbstractRpcSink.verifyConnection(AbstractRpcSink.java:272) at org.apache.flume.sink.AbstractRpcSink.process(AbstractRpcSink.java:349) ... 3 more Caused by: java.io.IOException: Error connecting to master60/10.0.10.60:31002 at org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:261) at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:203) at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:152) at org.apache.flume.api.NettyAvroRpcClient.connect(NettyAvroRpcClient.java:168) ... 10 more Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:496) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:452) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:365) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ... 1 more
Here is my agent config in the conf file # Name the components on this agent a1.sources = r1 a1.sinks = k1 a1.channels = c1 # Describe/configure the source a1.sources.r1.type = netcat a1.sources.r1.bind = localhost a1.sources.r1.port = 44444 # Describe the sink a1.sinks.k1.type = avro # Use a channel which buffers events in memory a1.channels.c1.type = memory a1.channels.c1.capacity = 1000 a1.channels.c1.transactionCapacity = 100 # Bind the source and sink to the channel a1.sources.r1.channels = c1 a1.sinks.k1.channel = c1 a1.sinks.k1.hostname = master60 a1.sinks.k1.port = 31002 I don't know why my flume sink can not bind to the port 31002 which I specified. Any idea will be appreciated. San.Luo