c3p0連接數據庫時報出這樣的錯誤!
解決辦法是:mysql驅動包的版本不適配,更換mysql驅動包,建議更換為比原來小的版本
比如我原來用的就是mysql-connector-java-5.1.7-bin.jar
結果這個版本就是運行不成功,
我換成mysql-connector-java-5.1.47.jar之后,問題就解決了!!!!!!
免責聲明！
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