flume avro java_flume avro 程序报错

如题：flume 启动程序的conf文件为

agent1.sources=source1

agent1.sinks=sink1

agent1.channels=channel1

agent1.sources.source1.type=spooldir

agent1.sources.source1.spoolDir=/root/scripts/data

agent1.sources.source1.channels=channel1

agent1.sources.source1.fileHeader = false

agent1.sinks.sink1.type=avro

agent1.sinks.sink1.hostname=127.0.0.1

agent1.sinks.sink1.port=4545

agent1.sinks.sink1.channel=channel1

agent1.channels.channel1.type=memory

16/07/12 17:20:28 WARN sink.AbstractRpcSink: Unable to create Rpc client using hostname: 127.0.0.1, port: 4545

org.apache.flume.FlumeException: NettyAvroRpcClient { host: localhost, port: 4545 }: 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:88)

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.start(AbstractRpcSink.java:292)

at org.apache.flume.sink.DefaultSinkProcessor.start(DefaultSinkProcessor.java:46)

at org.apache.flume.SinkRunner.start(SinkRunner.java:79)

at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:251)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.io.IOException: Error connecting to /127.0.0.1:4545

at org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:261)

at org.apache.avro.ipc.NettyTransceiver.(NettyTransceiver.java:203)

at org.apache.avro.ipc.NettyTransceiver.(NettyTransceiver.java:152)

at org.apache.flume.api.NettyAvroRpcClient.connect(NettyAvroRpcClient.java:168)

... 16 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)

... 3 more

16/07/12 17:20:28 INFO sink.AbstractRpcSink: Rpc sink sink1 started.

16/07/12 17:20:28 INFO sink.AbstractRpcSink: Rpc sink sink1: Building RpcClient with hostname: 127.0.0.1, port: 4545

16/07/12 17:20:28 INFO sink.AvroSink: Attempting to create Avro Rpc client.

16/07/12 17:20:28 WARN api.NettyAvroRpcClient: Using default maxIOWorkers

16/07/12 17:20:28 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: localhost, port: 4545 }: 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:88)

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 /127.0.0.1:4545

at org.apache.avro.ipc.NettyTransceiver.getChannel(NettyTransceiver.java:261)

at org.apache.avro.ipc.NettyTransceiver.(NettyTransceiver.java:203)

at org.apache.avro.ipc.NettyTransceiver.(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

16/07/12 17:20:31 WARN source.SpoolDirectorySource: The channel is full, and cannot write data now. The source will try again after 250 milliseconds

16/07/12 17:20:31 INFO avro.ReliableSpoolingFileEventReader: Last read was never committed - resetting mark position.

16/07/12 17:20:33 INFO sink.AbstractRpcSink: Rpc sink sink1: Building RpcClient with hostname: 127.0.0.1, port: 4545

16/07/12 17:20:33 INFO sink.AvroSink: Attempting to create Avro Rpc client.

16/07/12 17:20:33 WARN api.NettyAvroRpcClient: Using default maxIOWorkers

16/07/12 17:20:33 ERROR flume.SinkRunner: Unable to deliver event. Exception follows.