>我有一个 2 节点集群(hadoop 2.6.0(，在主机器上有一个主节点(作为药膏(和 1 个从属设备。通话后
start-yarn.sh
JPS节目
:~$ jps
11821 SecondaryNameNode
11114 NameNode
12037 ResourceManager
11432 DataNode
12674 Jps
12363 NodeManager
在一分钟内，NodeManager 消失了，并在日志文件中显示一个 BindException： 地址已在使用(粘贴在下面(。端口 8040 已打开并由 ResoureManager 使用。
主服务器上的日志文件
2014-12-19 17:21:25,185 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NodeManager metrics system...
2014-12-19 17:21:25,186 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system stopped.
2014-12-19 17:21:25,186 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system shutdown complete.
2014-12-19 17:21:25,186 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.BindException: Problem binding to [0.0.0.0:8040] java.net.BindException: Address already in use; For more details see: http://wiki.apache.org/hadoop/BindException
at org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl.getServer(RpcServerFactoryPBImpl.java:139)
at org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC.getServer(HadoopYarnProtoRPC.java:65)
at org.apache.hadoop.yarn.ipc.YarnRPC.getServer(YarnRPC.java:54)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.createServer(ResourceLocalizationService.java:356)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.serviceStart(ResourceLocalizationService.java:334)
at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceStart(ContainerManagerImpl.java:450)
at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceStart(NodeManager.java:264)
at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:463)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:509)
Caused by: java.net.BindException: Problem binding to [0.0.0.0:8040] java.net.BindException: Address already in use; For more details see: http://wiki.apache.org/hadoop/BindException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:720)
at org.apache.hadoop.ipc.Server.bind(Server.java:424)
at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:573)
at org.apache.hadoop.ipc.Server.<init>(Server.java:2205)
at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:931)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:537)
at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:512)
at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:776)
at org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl.createServer(RpcServerFactoryPBImpl.java:169)
at org.apache.hadoop.yarn.factories.impl.pb.RpcServerFactoryPBImpl.getServer(RpcServerFactoryPBImpl.java:132)
... 13 more
Caused by: java.net.BindException: Address already in use
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:444)
at sun.nio.ch.Net.bind(Net.java:436)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.apache.hadoop.ipc.Server.bind(Server.java:407)
... 21 more
2014-12-19 17:21:25,189 INFO org.apache.hadoop.yarn.server.nodemanager.NodeManager: SHUTDOWN_MSG
德国金融报告公司
:~$ hdfs dfsadmin -report
Configured Capacity: 216116072448 (201.27 GB)
Present Capacity: 55109070848 (51.32 GB)
DFS Remaining: 55109021696 (51.32 GB)
DFS Used: 49152 (48 KB)
DFS Used%: 0.00%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0
-------------------------------------------------
Live datanodes (2):
Name: 192.168.179.3:50010 (slave)
Hostname: xyz
Decommission Status : Normal
Configured Capacity: 83369902080 (77.64 GB)
DFS Used: 24576 (24 KB)
Non DFS Used: 63215587328 (58.87 GB)
DFS Remaining: 20154290176 (18.77 GB)
DFS Used%: 0.00%
DFS Remaining%: 24.17%
Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%
Xceivers: 1
Name: 192.168.179.58:50010 (master)
Hostname: abc
Decommission Status : Normal
Configured Capacity: 132746170368 (123.63 GB)
DFS Used: 24576 (24 KB)
Non DFS Used: 97791414272 (91.08 GB)
DFS Remaining: 34954731520 (32.55 GB)
DFS Used%: 0.00%
DFS Remaining%: 26.33%
Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%
Xceivers: 1
绑定异常 - 地址已在使用 - 这表示端口 8040 繁忙，并且正由其他进程使用。您可以通过更改文件etc/hadoop/yarn-site.xml中的默认 yarn 端口来解决此问题，如下所示：
<property>
<name>yarn.nodemanager.localizer.address</name>
<value>192.168.179.58:10200</value>
</property>