mysql 报错 - Java / Web 开发

我用jsp连接MySQL。（我也打开了MySQL的客户端）

结果报错了: Reloading context [/sampletest]
2010-5-15 11:16:51 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
请问这是什么错？是由于用mysql同一用户名在不同的客户端登陆造成了冲突吗？

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严重: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.

驱动注册失败！！换个驱动

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引用

严重: A web application registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly u……

但是我还是能够使用数据库啊

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有时时不正常关闭引起的吧 也许下次再执行就没错了