org.apache.catalina.core.StandardWrapperValve invoke Servlet.service() forservletjspthrewexception

java.sql.SQLException: Before start of result set
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
at com.mysql.jdbc.ResultSet.checkRowPos(ResultSet.java:703)
at com.mysql.jdbc.ResultSet.getStringInternal(ResultSet.java:5653)
at com.mysql.jdbc.ResultSet.getString(ResultSet.java:5597)
at org.apache.jsp.jsp.Cuisine.dcadd_jsp._jspService(dcadd_jsp.java:112)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)

我只是想通过这个进入另一个jsp，结果就出问题了，之前这样写也没错啊
求各位大神帮忙看看~多谢多谢！！！

估计是这个jsp的问题，看看里面操作，应该是涉及sql的地方报错了

空指针异常。。device你这个东西是哪来的。。我觉得可能是你这个的问题的。。你好好检查下哈。。