答jasper
已解决:需要在$HADOOP_HOME/etc/hadoop/mapred-site.xml中添加如下配置:
<property>
<name>mapreduce.application.classpath</name>
<value>
$HADOOP_HOME/etc/hadoop,
$HADOOP_HOME/share/hadoop/common/*,
$HADOOP_HOME/share/hadoop/common/lib/*,
$HADOOP_HOME/share/hadoop/hdfs/*,
$HADOOP_HOME/share/hadoop/hdfs/lib/*,
$HADOOP_HOME/share/hadoop/mapreduce/*,
$HADOOP_HOME/share/hadoop/mapreduce/lib/*,
$HADOOP_HOME/share/hadoop/yarn/*,
$HADOOP_HOME/share/hadoop/yarn/lib/*,
$HADOOP_HOME/share/hadoop/tools/lib/*
</value>
</property>
$HADOOP_HOME/share/hadoop/tools/lib/* 目录下需要添加cos相关报名:如:
cos_hadoop_api-5.2.6.jar 和 hadoop-cos-2.X.X.jar
腾讯云的文档真的是写的粗糙。