执行SQL查询语句错误,错误信息: [Microsoft][SQLServer 2000 Driver for JDBC][SQLSe
rver]用户 'sa' 登录失败。用户 'sa' 登录失败。
信息失败,错误信息:null用tomcat跑项目登陆验证出现了的问题,我的驱动都装了,配置都完了,此类信息原因是什么?怎么解决,谢谢
rver]用户 'sa' 登录失败。用户 'sa' 登录失败。
信息失败,错误信息:null用tomcat跑项目登陆验证出现了的问题,我的驱动都装了,配置都完了,此类信息原因是什么?怎么解决,谢谢
type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class mypackage.DB)
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class mypackage.DB)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:852)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.index_jsp._jspService(index_jsp.java:469)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class mypackage.DB)
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1851)
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
org.apache.jsp.index_jsp._jspService(index_jsp.java:216)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)