摘要:
错误: Exception in thread "main" org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create file/1.txt. Name node is in safe mode. 原因: Hado 阅读全文
appendToFile: Failed to replace a bad datanode on the existing pipeline due to no more good datanode
摘要:
报错:appendToFile: Failed to replace a bad datanode on the existing pipeline due to no more good datanode 原因1:Hadoop默认副本数为3,而我只有2台DataNode,故缺少DataNode。 阅读全文