目录 No valid host was found. There are not enough hosts available-----openstack建虚拟机直接报错 一.问题现象: 二.解决思路: 1.查看计算节点的nova-compute 日志,发现如下日志: 2.查看nova-scheduler.log 3.进数据查看数据库表 4.尝试将compute节点从nova service-list中删除,并重新加入到集群中 5.再次进入数据库,执行 select * from resour…
Issue: When you launch an instance in Newton, you may find that the instance cannot be started due to following error message. No valid host was found. There are not enough hosts available. Solution: 1. Edit /etc/nova/nova.conf 2. Change ram_allocati…
ERRORorg.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.IllegalArgumentException: Does not contain a valid host;port authority 这个问题找了很久的原因没找到,最后通过强大的google才找到一篇文章写着linux系统不能有下划线,果断更改主机名,格式化成功.…
java.lang.IllegalArgumentException: Does not contain a valid host:port authority: master:8031 (configuration property 'yarn.resourcemanager.resource-tracker.address') at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:196) at org.apache…
hadoop环境部署完,执行hdfs zkfc -formatZK命令时,提示如上图所示错误 错误内容: [root@study_1_1 hadoop]# hdfs zkfc -formatZK Exception in thread "main" java.lang.IllegalArgumentException: Does not contain a valid host:port authority: study_1_1:9000 at org.apache.hadoop.ne…