MAPREDUCE服务 MRS-Flume客户端无法连接服务端:原因分析

时间：2024-08-27 10:23:51

MAPREDUCE服务 MRS

原因分析

服务端配置错误，监测端口启动失败，例如服务端Avro Source配置了错误的IP，或者已经被占用了的端口。

查看Flume运行日志：

2016-08-31 17:28:42,092 | ERROR | [lifecycleSupervisor-1-9] |  Unable to start EventDrivenSourceRunner: { source:Avro source avro_source: { bindAddress: 10.120.205.7, port: 21154 } } - Exception follows.  | org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:253)
java.lang.RuntimeException: org.jboss.netty.channel.ChannelException: Failed to bind to: /192.168.205.7:21154

若采用了加密传输，证书或密码错误。

2016-08-31 17:15:59,593 | ERROR | [conf-file-poller-0] |  Source avro_source has been removed due to an error during configuration  | org.apache.flume.node.AbstractConfigurationProvider.loadSources(AbstractConfigurationProvider.java:388)
org.apache.flume.FlumeException: Avro source configured with invalid keystore: /opt/Bigdata/ MRS _XXX/install/ FusionInsight -Flume-1.9.0/flume/conf/flume_sChat.jks

客户端与服务端通信异常。

PING 192.168.85.55 (10.120.85.55) 56(84) bytes of data.
From 192.168.85.50 icmp_seq=1 Destination Host Unreachable
From 192.168.85.50 icmp_seq=2 Destination Host Unreachable
From 192.168.85.50 icmp_seq=3 Destination Host Unreachable
From 192.168.85.50 icmp_seq=4 Destination Host Unreachable

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