Application state is completed. FinalApplicationStatus=FAILED. Redirecting to job history server-优快云博客

本文记录了在执行HBase的MapReduce作业时遇到的jobhistory服务未启动问题及解决方案。通过检查jps发现jobhistory服务缺失，并使用mr-jobhistory-daemon.sh命令启动历史服务器，成功解决了MapReduce作业的连接异常。

先贴图
在这里插入图片描述
我是执行Hbase的mr出现的错误在它执行完输出结果之后出现了错误
刚开始找解决办法
java.net.ConnectException: Call From hadoop01/192.168.37.111 to 0.0.0.0:10020 failed on connection exception: 一直在搜索出现的异常
没注意到第一句话
mapred.ClientServiceDelegate: Application state is completed. FinalApplicationStatus=SUCCEEDED. Redirecting to job history server

百度下就是没有启动job history service 服务
jps后发现果然没有
直接使用命令

 mr-jobhistory-daemon.sh start historyserver

解决

猜想可能是我之前重启服务多次导致它没有启动

19/08/19 10:00:29 INFO mapred.ClientServiceDelegate: Application state is completed. FinalApplicationStatus=SUCCEEDED. Redirecting to job history server
19/08/19 10:00:29 INFO java.net.ConnectException: Call From hadoop01/192.168.37.111 to 0.0.0.0:10020 failed on connection exception: 
19/08/19 10:00:30 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:31 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:32 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:33 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:34 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:35 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:36 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:37 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:38 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
19/08/19 10:00:39 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10020. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
Exception in thread "main" java.io.IOException: java.net.ConnectException: Call From hadoop01/192.168.37.111 to 0.0.0.0:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
	at org.apache.hadoop.mapred.ClientServiceDelegate.invoke(ClientServiceDelegate.java:343)
	at org.apache.hadoop.mapred.ClientServiceDelegate.getJobStatus(ClientServiceDelegate.java:428)
	at org.apache.hadoop.mapred.YARNRunner.getJobStatus(YARNRunner.java:568)
	at org.apache.hadoop.mapreduce.Job$1.run(Job.java:323)
	at org.apache.hadoop.mapreduce.Job$1.run(Job.java:320)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
	at org.apache.hadoop.mapreduce.Job.updateStatus(Job.java:320)
	at org.apache.hadoop.mapreduce.Job.isSuccessful(Job.java:616)
	at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1323)
	at com.qf.mr.HBase2HDF_SDemo1.run(HBase2HDF_SDemo1.java:94)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
	at com.qf.mr.HBase2HDF_SDemo1.main(HBase2HDF_SDemo1.java:116)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)