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.St
mybatis 出现 Error attempting to get column ‘XXX’ from result set. Cause: java.lang.NumberFormatException: For input string: “XXXX” 基本是两种情况 mybatis的xml里 数据库的数据类型(jdbcType)和Java的数据类型(javaType)不一致缺少无参构造
问题描述 安装搭建了hadoop集群,然后启动时报错,错误如下: [root@hadoop101 ~]# /opt/module/hadoop/hadoop-3.1.3/sbin/start-dfs.sh Starting namenodes on [hadoop101] ERROR: Attempting to operate on hdfs namenode as root ERRO
本文主要分享下类似问题的排查过程。 执行查询时报错,错误日志摘要: org.springframework.dao.TransientDataAccessResourceException: Error attempting to get column 'create_time' from result set. Cause: java.sql.SQLException: Bad fo