报错现象:
error checking context: file (/proc/2447/fd/7) not found or excluded by .
解决方法:
在Dockerfile文件所在的目录下创建一个文件(这里注意有个.直接复制即可):
touch .dockerignore
然后在里面写上…
解决问题: Exception in thread main org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /hdfstest/sample_d There are 0 datanode(s) running and 0 node(s) are excluded in this operation. 注:idea写java程序,程序是将…