在hive3.1.2中插入数据，报could not find or load main class org.apache.hadoop.mapred.YarnChild

时间 2020-12-26

标签 hive 栏目 Hadoop 繁體版

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在hive3.1.2中插入数据，报could not find or load main class org.apache.hadoop.mapred.YarnChild 报错如下原因是内存不足，因为我是在centos7.5上搭的集群，然后7系列有个特点，就是会buffer/cache，而且会越来越大，这样free就很少了，需要将cache里的内存清理出来，但是要注意备份，因此解决办法是：执行

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1. Error: Could not find or load main class org.apache.hadoop.hdfs.server.namenode.NameNode
2. Error: Could not find or load main class org.apache.zookeeper.server.quorum.QuorumPeerMain
3. Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster
4. Tomcat9 Error: Could not find or load main class org.apache.catalina.startup.Bootstrap
5. Error: Could not find or load main class
6. Java运行报错：Error: Could not find or load main class
7. Linux 下 Error: Could not find or load main class Hello
8. Travis CI Could not find or load main class org.gradle.wrapper.GradleWrapperMain 错误
9. zookeeper启动：Could not find or load main class org.apache.zookeeper.server.quorum.
10. Error: Could not find or load main class org.apache.zookeeper.server.quorum.QuorumPeerMain处理

>>更多相关文章<<