hadoop版本：1.2.1
jdk版本：java版本“1.8.0\u 111”
java（tm）se运行时环境（build 1.8.0_-b14）
java hotspot（tm）64位服务器vm（内部版本25.111-b14，混合模式）
操作系统：linux版本2.6.32-642.el6.x86\u 64
(mockbuild@worker1.bsys.centos.org)（gcc版本4.4.7 20120313（red hat 4.4.7-17）（gcc））#1 smp周二5月10日17:27:01 utc 2016
这是我的 "hadoop-root-tasktracker-hslave01.log"; ```
2018-01-24 17:20:31,539 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties
2018-01-24 17:20:31,709 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source MetricsSystem,sub=Stats registered.
2018-01-24 17:20:31,710 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
2018-01-24 17:20:31,710 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: TaskTracker metrics system started
2018-01-24 17:20:32,375 INFO org.apache.hadoop.util.NativeCodeLoader: Loaded the native-hadoop library
2018-01-24 17:20:32,402 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi registered.
2018-01-24 17:20:32,688 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
2018-01-24 17:20:32,803 INFO org.apache.hadoop.http.HttpServer: Added global filtersafety (class=org.apache.hadoop.http.HttpServer$QuotingInputFilter)
2018-01-24 17:20:32,864 INFO org.apache.hadoop.mapred.TaskLogsTruncater: Initializing logs' truncater with mapRetainSize=-1 and reduceRetainSize=-1
2018-01-24 17:20:32,870 INFO org.apache.hadoop.mapred.TaskTracker: Starting tasktracker with owner as root
2018-01-24 17:20:32,875 INFO org.apache.hadoop.mapred.TaskTracker: Good mapred local directories are: /usr/local/hadoop-1.2.1/data/tmp/mapred/local
2018-01-24 17:20:32,889 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source jvm registered.
2018-01-24 17:20:32,891 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source TaskTrackerMetrics registered.
2018-01-24 17:20:32,912 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source RpcDetailedActivityForPort47748 registered.
2018-01-24 17:20:32,912 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source RpcActivityForPort47748 registered.
2018-01-24 17:20:32,914 INFO org.apache.hadoop.ipc.Server: Starting SocketReader
2018-01-24 17:20:32,915 INFO org.apache.hadoop.ipc.Server: IPC Server Responder: starting
2018-01-24 17:20:32,917 INFO org.apache.hadoop.ipc.Server: IPC Server listener on 47748: starting
2018-01-24 17:20:32,918 INFO org.apache.hadoop.ipc.Server: IPC Server handler 0 on 47748: starting
2018-01-24 17:20:32,919 INFO org.apache.hadoop.ipc.Server: IPC Server handler 1 on 47748: starting
2018-01-24 17:20:32,919 INFO org.apache.hadoop.ipc.Server: IPC Server handler 2 on 47748: starting
2018-01-24 17:20:32,920 INFO org.apache.hadoop.mapred.TaskTracker: TaskTracker up at: localhost/127.0.0.1:47748
2018-01-24 17:20:32,920 INFO org.apache.hadoop.mapred.TaskTracker: Starting tracker tracker_hslave01:localhost/127.0.0.1:47748
2018-01-24 17:20:32,924 INFO org.apache.hadoop.ipc.Server: IPC Server handler 3 on 47748: starting
2018-01-24 17:20:33,053 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:root cause:org.apache.hadoop.ipc.RemoteException: java.io.IOException: Unknown protocol to name node: org.apache.hadoop.mapred.InterTrackerProtocol
at org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:156)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426)

2018-01-24 17:20:33,054 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker because org.apache.hadoop.ipc.RemoteException: java.io.IOException: Unknown protocol to name node: org.apache.hadoop.mapred.InterTrackerProtocol
at org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:156)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426)

at org.apache.hadoop.ipc.Client.call(Client.java:1113)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)
at org.apache.hadoop.mapred.$Proxy4.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.checkVersion(RPC.java:422)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:414)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:392)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:374)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:453)
at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:335)
at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:300)
at org.apache.hadoop.mapred.TaskTracker$3.run(TaskTracker.java:908)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
at org.apache.hadoop.mapred.TaskTracker.initialize(TaskTracker.java:904)
at org.apache.hadoop.mapred.TaskTracker.<init>(TaskTracker.java:1573)
at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:3937)

2018-01-24 17:20:33,059 INFO org.apache.hadoop.mapred.TaskTracker: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down TaskTracker at hslave01/192.168.79.133

************************************************************/

一些配置文件：mapred-site.xml