hadoop2 - 谁能说出在 jps 中不显示 hadoop 恶魔的原因？

Question

我正在使用 hadoop 2.7.3 版本，并且在 jps 中没有显示配置后的 namenode。谁能说出我对相关文件授予正确权限的原因是什么。我已删除 /tmp 文件并重新创建，在重新格式化名称节点后，我面临同样的问题。提前致谢。

22561 Jps
21633 DataNode
21975 ResourceManager
22093 NodeManager
21821 SecondaryNameNode

核心站点.xml：

<configuration>
 <property>
  <name>hadoop.tmp.dir</name>
  <value>/app/hadoop/tmp</value>
  <description>A base for other temporary directories.</description>
 </property> 
 <property>
  <name>fs.defaultFS</name>
  <value>hdfs://localhost:54310</value>
  <description>The name of the default file system.  A URI whose
  scheme and authority determine the FileSystem implementation.  The
  uri's scheme determines the config property (fs.SCHEME.impl) naming
  the FileSystem implementation class.  The uri's authority is used to
  determine the host, port, etc. for a filesystem.</description>
 </property>
</configuration>

hdfs-site.xml

<configuration>
<property>
  <name>dfs.replication</name>
  <value>1</value>
</property>
 <property>
   <name>dfs.namenode.name.dir</name>
   <value>file:/usr/local/hadoop_store/hdfs/namenode</value>
 </property>
 <property>
   <name>dfs.datanode.data.dir</name>
   <value>file:/usr/local/hadoop_store/hdfs/datanode</value>
 </property>
 <property>
   <name>dfs.permissions.enabled</name>
   <value>true</value>
</property>
</configuration>

mapred-site.xml

<configuration>
  <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
    <property>
        <name>mapred.job.tracker</name>
        <value>localhost:54311</value>
        <description>The host and port that the MapReduce job tracker runs
          at.  If "local", then jobs are run in-process as a single map
          and reduce task.
        </description>
    </property>
</configuration>

纱线站点.xml

<configuration>
  <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
    <property>
        <name>mapred.job.tracker</name>
        <value>localhost:54311</value>
        <description>The host and port that the MapReduce job tracker runs
          at.  If "local", then jobs are run in-process as a single map
          and reduce task.
        </description>
    </property>
</configuration>

名称节点日志文件：

2017-08-30 16:49:29,764 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
2017-08-30 16:49:29,771 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: createNameNode []
2017-08-30 16:49:30,131 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties
2017-08-30 16:49:30,246 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
2017-08-30 16:49:30,246 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system started
2017-08-30 16:49:30,249 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: fs.defaultFS is hdfs://localhost:54310
2017-08-30 16:49:30,250 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Clients are to use localhost:54310 to access this namenode/service.
2017-08-30 16:49:37,330 INFO org.apache.hadoop.hdfs.DFSUtil: Starting Web-server for hdfs at: http://0.0.0.0:50070
2017-08-30 16:49:37,414 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
2017-08-30 16:49:37,426 INFO org.apache.hadoop.security.authentication.server.AuthenticationFilter: Unable to initialize FileSignerSecretProvider, falling back to use random secrets.
2017-08-30 16:49:37,432 INFO org.apache.hadoop.http.HttpRequestLog: Http request log for http.requests.namenode is not defined
2017-08-30 16:49:37,438 INFO org.apache.hadoop.http.HttpServer2: Added global filter 'safety' (class=org.apache.hadoop.http.HttpServer2$QuotingInputFilter)
2017-08-30 16:49:37,441 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context hdfs
2017-08-30 16:49:37,441 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context static
2017-08-30 16:49:37,441 INFO org.apache.hadoop.http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context logs
2017-08-30 16:49:37,582 INFO org.apache.hadoop.http.HttpServer2: Added filter 'org.apache.hadoop.hdfs.web.AuthFilter' (class=org.apache.hadoop.hdfs.web.AuthFilter)
2017-08-30 16:49:37,584 INFO org.apache.hadoop.http.HttpServer2: addJerseyResourcePackage: packageName=org.apache.hadoop.hdfs.server.namenode.web.resources;org.apache.hadoop.hdfs.web.resources, pathSpec=/webhdfs/v1/*
2017-08-30 16:49:37,606 INFO org.apache.hadoop.http.HttpServer2: HttpServer.start() threw a non Bind IOException
java.net.BindException: Port in use: 0.0.0.0:50070
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:919)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:856)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:142)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:753)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:639)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:812)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:796)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1493)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)
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:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:914)
        ... 8 more
2017-08-30 16:49:37,611 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NameNode metrics system...
2017-08-30 16:49:37,612 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system stopped.
2017-08-30 17:04:08,717 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2017-08-30 17:04:08,717 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
java.net.BindException: Port in use: 0.0.0.0:50070
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:919)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:856)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:142)
 at org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:753)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:639)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:812)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:796)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1493)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)
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:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:914)
        ... 8 more
2017-08-30 17:04:08,716 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NameNode metrics system...
2017-08-30 17:04:08,717 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system stopped.
2017-08-30 17:04:08,717 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2017-08-30 17:04:08,717 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
java.net.BindException: Port in use: 0.0.0.0:50070
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:919)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:856)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:142)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:753)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:639)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:812)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:796)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1493)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1559)
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:433)
        at sun.nio.ch.Net.bind(Net.java:425)

score 2 · Accepted Answer

2

如果您在运行前未格式化 hdfs，就会发生这种情况。

跑

hdfs namenode -format

于 2017-08-30T11:33:54.723 回答

score 1 · Accepted Answer

1

同一个50070端口有另外一个进程监听，先停止。

于 2017-08-30T11:40:58.090 回答

hadoop2 - 谁能说出在 jps 中不显示 hadoop 恶魔的原因？

2 回答 2

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