jpa报错 Unable to acquire a connection from driver [null], user [null] and URL [null] 为啥报错 因为你在persistence.xml中没配置你数据库的相应信息 咋解决 persistence.xml在哪里? 咋编辑这东西? 咋配置 <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.…
项目中在使用线程跑定时任务时,遇到报错,"Could not open JPA EntityManager for transaction Caused by: org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection",报错信息看是数据库连接无法获取问题,但是在开发调试的过程中,并没有这个错误,只有在部署到机器,运行定时任务时,会抛出这样的异常: 自己定位无果后,求助于同组大哥,大哥…
linux 下通过xhost进入图形界面,经常会出现报错“unable to open display” linux下的操作步骤如下: [root@localhost ~]# vncserver New 'localhost:1 (root)' desktop is localhost:1 Starting applications specified in /root/.vnc/xstartupLog file is /root/.vnc/localhost:1.log [root@loca…
在执行git clone命令报错 Unable to negotiate with xxx.xxx.xxx.xxx port 12345: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 Unable to negotiate with : no matching key exchange method found. Their offer: diffie-hellman-group1-…
git clone 报错 Unable to negotiate with xxx.xxx.xxx.xxx. port 12345: no matching cipher found. Their offer: aes128-cbc,3des-cbc,blowfish-cbc 解决: # sudo nano /etc/ssh/ssh_config 把以下代码放到指定位置, Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,a…
