eclipse安装Spring插件时报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15

eclipse报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15
当eclipse安装Spring-tool-suite插件时,报出以上错误,并长时间停留在
eclipse安装Spring插件时报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15eclipse安装Spring插件时报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15
该界面时,问题可能是eclipse一直在尝试从自己的更新源下载插件,因为局域网环境所致,连接不上,
解决方法很简单,只要在"Available Software Sites"中将所有网址前的对号去掉再次尝试即可安装成功,
操作如下图:
1、
2、eclipse安装Spring插件时报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15
eclipse安装Spring插件时报错:cannot perform operation.Computing alertnate solutions,may take a while :1/15
即将所有带有Http://的对号去除,结果如上所示即可