Task failed task_ 1641530057069_ 0002_ m_ 000000

Problem description ：

[[email protected] hadoop-3.1.3]$ hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-3.1.3.jar wordcount /wcinput /wcoutput

Output file has no content .

terms of settlement ：

Modify the default profile “mapred-default.xml”

<property>
  <name>mapreduce.task.timeout</name>
  <value>8000000</value> # time expand 600000 It is amended as follows 8000000
  <description>The number of milliseconds before a task will be
  terminated if it neither reads an input, writes an output, nor
  updates its status string.  A value of 0 disables the timeout.
  </description>
</property>