刚开始装好hadoop的时候,namenode机上传文件没有错误,今天打开时突然不能上传文件,报错 put: File /a.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There are 3 datanode(s) running and 3 node(s) are excluded in this operation. 上网查了一下,先把,nnamenode和datanod…
来源:http://blog.csdn.net/awmw74520/article/details/70230591 SpringBoot做文件上传时出现了The field file exceeds its maximum permitted size of 1048576 bytes.错误,显示文件的大小超出了允许的范围.查看了官方文档,原来Spring Boot工程嵌入的tomcat限制了请求的文件大小,这一点在Spring Boot的官方文档中有说明,原文如下 65.5 Handling…
js 获取上传文件的字节数及内容 <div> 上传文件 : <input type="file" name = "file" id = "fileId" /> <button type = "submit" name = "btn" value = "提交" id = "btnId" onclick="check()"…