hadoop集群配置datanode无法启动的原因

最新推荐文章于 2024-10-21 01:51:18 发布

ducode

最新推荐文章于 2024-10-21 01:51:18 发布

阅读量177

点赞数

CC 4.0 BY-SA版权

文章标签：大数据 java python

原文链接：https://my.oschina.net/u/2450896/blog/1546379

本文介绍了解决 Hadoop DataNode 启动失败并显示连接拒绝错误的问题，通过删除临时文件夹并重新格式化 NameNode，最终成功启动所有服务。同时提到关闭防火墙作为另一可能的解决方案。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

2019独角兽企业重金招聘Python工程师标准>>>

2013-10-15 09:52:31,351 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:32,352 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:33,353 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:34,354 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:35,355 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:37,822 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:38,823 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: sunliang/192.168.1.232:9000. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

2013-10-15 09:52:38,824 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: java.net.ConnectException: Call to sunliang/192.168.1.232:9000 failed on connection exception: java.net.ConnectException: Connection refused

at org.apache.hadoop.ipc.Client.wrapException(Client.java:1142)

at org.apache.hadoop.ipc.Client.call(Client.java:1118)

at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)

at com.sun.proxy.$Proxy5.sendHeartbeat(Unknown Source)

at org.apache.hadoop.hdfs.server.datanode.DataNode.offerService(DataNode.java:1031)

at org.apache.hadoop.hdfs.server.datanode.DataNode.run(DataNode.java:1588)

at java.lang.Thread.run(Thread.java:662)

Caused by: java.net.ConnectException: Connection refused

at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)

at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599)

at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)

at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:511)