harrysuke

what about this one? HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Servlet execution threw an exception org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390) root cause java.lang.ClassFormatError: com/mysql/jdbc/ConnectionImpl com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:283) java.sql.DriverManager.getConnection(DriverManager.java:582) java.sql.DriverManager.getConnection(DriverManager.java:185) JspDBSolution.KidsBooksPage.init(KidsBooksPage.java:20) JspDBSolution.BookStoreServlet.processRequest(BookStoreServlet.java:34) JspDBSolution.BookStoreServlet.doGet(BookStoreServlet.java:90) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)

table items barcode quantity price id table serial_number barcode serial_number id table items_out barcode serial_number quantity price id i have three table just like i describe above. if i choose a barcode and quantity=2 from table items and i want to move 2 serial_number from table serial_number to table items_out, …