一.报错信息: Starting namenodes on [master] ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation. Starting datanodes ERROR: Attempting to…
1.使用root配置的hadoop并启动会出现报错 错误: Starting namenodes on [master] ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation. Starting datanodes…
今天新安装了soapui准备测试一下接口,结果安装成功后启动时报错:The JVM could not be started. The maximum heap size (-Xmx) might be too large 意思就是:Java虚拟机无法启动.Xmx可能太大 这时就需要将这个参数的值改小一点. 经过排查这个参数在soapui安装目录\bin\目录下的vmoptions配置文件中 将原来的值改为800,保存后启动成功…
mysql启动报错Starting MySQL... ERROR! The server quit without updating PID file (/opt/mysql/data/mysql.pid) 查看mysql错误日志也没有写入. 最后发现是selinux打开,汗…… 参考 mysql启动时报错:Starting MySQL... ERROR! The server quit without updating PID file (/opt/mysql/data/mysql.pid)…