在myeclipse中对项目启动tomcat，出现下面警告! 警告: [SetPropertiesRule]{Server/Service/Engine/Realm}

警告: [SetPropertiesRule]{Server/Service/Engine/Realm} Setting property 'driverClass' to 'com.mysql.jdbc.Driver' did not find a matching property.
2012-5-21 13:14:48 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Realm} Setting property 'connectionURL' to 'jdbc:mysql://localhost/timex?' did not find a matching property.
2012-5-21 13:14:49 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Realm} Setting property 'connectionName' to 'root' did not find a matching property.
2012-5-21 13:14:49 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Realm} Setting property 'connectionPassword' to '123' did not find a matching property.
2012-5-21 13:14:49 org.apache.tomcat.util.digester.SetPropertiesRule begin

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你的jar包都导入了吗？你蠢嫌胡的mysql的驱动者陪jar包看看带拦是不是和你的mysql不匹配。下个匹配版本的。

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你设置的jdbc连接有问题

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没有导mysql jar包吧！

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mysql的jar文件未导入或导入的版本不匹配（考虑更换合适的jar包）。

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