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问题描述: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. SQLState: 08S01 阅读全文
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使用Hibernate + MySQL数据库开发,链接超时问题: com.mysql.jdbc.CommunicationsException: The last packet successfully received from the server was58129 seconds ago.Th 阅读全文
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1.打开终端,输入: cd ~ 会进入~文件夹 2.然后输入:touch .bash_profile 回车执行后, 2.再输入:open -e .bash_profile 会在TextEdit中打开这个文件(如果以前没有配置过环境变量,那么这应该是一个空白文档)。如果有内容,请在结束符前输入,如果没 阅读全文