Updating oracle db using servlet
Request Method; import com.websystique.springmvc.model. Employee; import com.websystique.springmvc.service. Employee Service; @Controller @Request Mapping("/") public class App Controller contains the outcome of this validation and any error that might have occurred during this validation. If you like tutorials on this site, why not take a step further and connect me on Facebook , Google Plus & Twitter as well?
In the Next post, we will tests this application thoroughly with unit & integration tests, using Test NG, Mockito, DBUnit and testing best practices.
Driver = jdbc:mysql://localhost:3306/websystique jdbc.username = myuser jdbc.password = mypassword hibernate.dialect = org.hibernate.dialect. Jstl View; @Configuration @Enable Web Mvc @Component Scan(base Packages = "com.websystique.springmvc") public class App Config configures a view resolver to identify the real view. Web Application Initializer; import org.context.support. Annotation Config Web Application Context; import org.servlet. Before saving/updating an employee, we are checking if the SSN is unique. Session Factory; import org.springframework.beans.factory.annotation. Autowired; public abstract class Abstract Dao This Generic class is the base class for all DAO implementation classes. List; import org.springframework.beans.factory.annotation. Let’s create the actual Employee Entity itself whose instances we will be playing with in database. After all, we are here to learn together, aren’t we?
Hibernate Transaction Manager; import org.hibernate4. Local Session Factory Bean; import org.springframework.transaction.annotation. Enable Transaction Management; @Configuration @Enable Transaction Management @Component Scan() @Property Source(value = ) public class Hibernate Configuration jdbc.driver Class Name = com. Binding Result; import org.springframework.validation. We have also included code to check for SSN uniqueness as it is declared to be unique in database. Restrictions; import org.springframework.stereotype. Repository; import com.websystique.springmvc.model. Employee; @Repository("employee Dao") public class Employee Dao Impl extends Abstract Dao package com.websystique.springmvc.service; import Service; import org.springframework.transaction.annotation. Note that since the transaction are on method scope, and inside method we are using DAO, DAO method will be executed within same transaction. You & your friends can always link my site from your site on and share the learning.
Hibernate Session is the interface between java application and hibernate framework.
Today we will look into Session important methods for saving and updating data in tables – save, save Or Update, persist, update and merge.
We can invoke this method outside a transaction, that’s why I don’t like this method to save data. FIELD) public class Employee package com.journaldev.hibernate.model; import javax.persistence. Cascade; @Entity @Table(name = "EMPLOYEE") @Access(value=Access Type. -Xverify:none Stack overflow error while invoking jspx page WLS 10.3.6 But this is not acceptable in the production environment. 3- In the application, place the file xalan.jar, xerces and in the war file i.e web-inf/lib directory, then set prefer-web-inf-classes to true in as: 4- Set the following start-up flags in the JAVA_OPTIONS: parsers. Add the following JVM option on the server on which you are doing the deployment and restart. Http Servlet Response Header(Http Servlet Response Wrapper.java:168) You need to modify the as below.