I wrote a small site, use the eclipse development, background with the servlet, then link to the mysql database, and write well, do not have what problem,
But, every time I turned off after a period of time to restart again would be an error:



Then I restart several times after eclispe, yao, nice, can normal run, what is the ghost ah, good speechless

CodePudding user response:

1, your custom is that class?
2, the problem of supposedly build