tomcat配置时 myeclipse选择tomcat时出现错误提示： Value must be an existing directory   解决方法：D:\tomcat\apache-tomcat-6.0.26\temp 在tomcat目录下添加temp文件夹

public class CfywDataSet implements IDataSetFactory {     public static Log log = LogFactory.getLog(CfywDataSet.class);     private String dataSetName = "ds_cfxx";//数据集名称     private JdbcTemplate