一.报错信息: “Blocked a frame with origin from accessing a cross-origin frame” 二.在stackoverflow上找到原因 Same-origin security policy You can't access an <iframe> with Javascript, it would be a huge security flaw if you could do it. For the same-origin policy
前言 在不同的端口号,甚至是不同的ip进行iframe嵌套的时候,在父页面调用子页面的方法的时候,报错 SecurityError: Blocked a frame with origin from accessing a cross-origin frame… 问题原因 在不同端口号下,不能使用传统的iframe嵌套调用方法. document.getElementById("mainFrame").contentWindow.xxxx(): 因为 同源安全策略
安装zookeeper-3.3.2的时候,启动正常没报错,但zkServer.sh status查看状态的时候却出现错误,如下: JMX enabled by defaultUsing config: /hadoop/zookeeper/bin/../conf/zoo.cfgError contacting service. It is probably not running. jps查看进程,却发现进程已启动 7313 QuorumPeerMain 在网上查阅资料一共有三种解决方法: 1,
一.在ansible安装完毕后一般需要以SSH的方式连接到需要进行管理的目标主机,一开始遇到了如下问题: 192.168.15.4 | UNREACHABLE! => { "changed": false, "msg": "Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).\
今天启动apache查看状态发现报错,说不能确认服务器完全确认域名,以下是报错内容: [root@localhost ~]# service httpd status Redirecting to /bin/systemctl status httpd.service ● httpd.service - The Apache HTTP Server Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor pr
"status": 500, "reason": "ElasticsearchException[org.elasticsearch.common.breaker.CircuitBreakingException: [FIELDDATA] Data too large, data for [@timestamp] would be larger than limit of [623326003/594.4mb]]; nested: U
上一节,以less为例,入门了gulp,并为任务结构做了抽离. 前端们,gulp该用起来了,简单的demo入门——gulp系列(一) 本节学习下gulp-notify,官方这样解释的: gulp-notify : gulp plugin to send messages based on Vinyl Files or Errors to Mac OS X, Linux or Windows using the node-notifier module. Fallbacks to Growl or
利用pipenv shell切换到虚拟环境时,显示报错:AttributeError: 'module' object has no attribute 'run' 可以看到是d:\program\python34\lib\site-packages\pipenv\shells.py文件的第62行报错了,提示模块没有run的属性,于是就跑到该文件的第62行去看 选中run,CTRL+B发现能看到源码,源码如下: if sys.version_info >= (3, 6): # Nearly sa