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执行hadoop-3.3.0 wc 报错Container exited with a non-zero exit code 1. Error file: prelaunch.err.
报错Application application_1611732673035_0001 failed 2 times due to AM Container for appattempt_1611732673035_0001_000002 exited with exitCode: 1Failing this attempt.Diagnostics: [2021-01-27 02:32:14.002]Exception from container-launch.Container id:原创 2021-01-27 16:19:09 · 8193 阅读 · 1 评论 -
hadoop-env.sh
export JAVA_HOME=/usr/local/java/jdk1.8.0_251export HADOOP_HOME=/opt/bigdata/hadoop-3.3.0/export HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoopexport HADOOP_COMMON_HOME=$HADOOP_HOMEexport HADOOP_HDFS_HOME=$HADOOP_HOMEexport HADOOP_MAPRED_HOME=$HADOOP_HOMEe.原创 2021-01-27 11:21:12 · 808 阅读 · 0 评论 -
hadoop 安装FAQ ERROR: Attempting to operate on hdfs namenode as root
问题[root@localhost hadoop]# start-dfs.shStarting namenodes on [node21]ERROR: Attempting to operate on hdfs namenode as rootERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.Starting datanodesERROR: Attempting to operate on hdfs d原创 2021-01-20 13:28:21 · 269 阅读 · 0 评论