解决hadoop执行MapReduce程序时Ha和yarn的冲突 YarnRuntimeException: java.lang.NullPointerException

最新推荐文章于 2023-08-06 10:30:37 发布

薛定谔的猫不吃猫粮

最新推荐文章于 2023-08-06 10:30:37 发布

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分类专栏： hadoop 问题汇总文章标签： hadoop mapreduce hdfs 大数据

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解决hadoop执行MapReduce程序时Ha和yarn的冲突

错误信息：YarnRuntimeException: java.lang.NullPointerException

在hadoop高可用环境下执行MR程序报如下错误：

2020-04-09 22:56:58,827 ERROR [Listener at 0.0.0.0/45871] org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.NullPointerException
    at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.register(RMCommunicator.java:178)
    at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStart(RMCommunicator.java:122)
    at org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStart(RMContainerAllocator.java:280)
    at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
    at org.apache.hadoop