My Custom Validation Classes
1.UserAvailablity.java
package com.vicky.finalYearProject.customValidations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.validation.Constraint;
import javax.validation.Payload;
@Constraint(validatedBy = UserAvailabilityValidator.class)
@Target({ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface UserAvailability {
public String message() default "Email is already Registered";
public Class<?>[] groups() default { };
public Class<? extends Payload>[] payload() default { };
}
2.UserAvailabilityValidator.class
package com.vicky.finalYearProject.customValidations;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.springframework.beans.factory.annotation.Autowired;
import com.vicky.finalYearProject.Service.CheckUserAvailabilityService;
public class UserAvailabilityValidator implements ConstraintValidator<UserAvailability, String>{
@Autowired
CheckUserAvailabilityService availabilityService;
@Override
public void initialize(UserAvailability constraintAnnotation) {
ConstraintValidator.super.initialize(constraintAnnotation);
}
@Override
public boolean isValid(String email, ConstraintValidatorContext context) {
boolean available = false;
available = availabilityService.isAvailable(email);//return true or false
return available;
}
}
My Entities
- User.java
package com.vicky.finalYearProject.Entity;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
import org.hibernate.validator.constraints.Length;
import org.springframework.stereotype.Component;
import com.vicky.finalYearProject.customValidations.UserAvailability;
@Entity
@Component
@Table( name = "customers",
uniqueConstraints=
@UniqueConstraint(columnNames={"email"})
)
public class User {
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
@NotNull
@Column(name = "email", length = 50)
@Pattern(regexp = "^([a-zA-Z0-9_\\-\\.]+)@([a-zA-Z0-9_\\-\\.]+)\\.([a-zA-Z]{2,5})$")
@UserAvailability//custom validator
private String email;
@NotNull
@Column(name = "password")
@Length(min = 1 , message = "Enter Valid Password")
private String password;
@NotNull
@Column(name = "firstName")
@Length(min = 1 , message = "Enter Valid firstName")
private String firstName;
@NotNull
@Column(name = "middleName")
@Length(min = 1 , message = "Enter Valid middleName")
private String middleName;
@NotNull
@Column(name = "lastName")
@Length(min = 1 , message = "Enter Valid lastName")
private String lastName;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getMiddleName() {
return middleName;
}
public void setMiddleName(String middleName) {
this.middleName = middleName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
@Override
public String toString() {
return "User [id=" + id + ", email=" + email + ", password=" + password + ", firstName=" + firstName
+ ", middleName=" + middleName + ", lastName=" + lastName + "]";
}
}
My xml form Mapping with User class... by form:form
*
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix= "form" uri ="http://www.springframework.org/tags/form" %>
<body bgcolor = "black">
<h1 style="color: white">ADD USER INFORMATION</h1>
<hr>
<div style="color: white">
<form:form action ="${pageContext.request.contextPath}/user/conformation"
modelAttribute="user"
method="post">
First Name : <form:input path="firstName"/>
<form:errors path ="firstName" cssClass="error"/>
<br><br>
Middle Name: <form:input path="middleName"/>
<form:errors path ="middleName" cssClass="error"/>
<br><br>
Last Name: <form:input path="lastName"/>
<form:errors path ="lastName" cssClass="error"/>
<br><br>
Email : <form:input path="email"/>
<form:errors path ="email" cssClass="error"/>
<br><br>
password : <form:input type="password" path="password"/>
<form:errors path ="password" cssClass="error"/>
<br><br>
<input type = "Submit" value="next"/>
</form:form>
</div>
<hr>
<a href="${pageContext.request.contextPath}/" style="color: white"> cancle </a>
</body>
</html>
*
ERROR I GOT when I submit My jsp page
Aug 11, 2020 12:29:33 PM org.hibernate.hql.internal.QueryTranslatorFactoryInitiator initiateService
INFO: HHH000397: Using ASTQueryTranslatorFactory
Hibernate: select user0_.id as id1_0_, user0_.email as email2_0_, user0_.firstName as firstNam3_0_, user0_.lastName as lastName4_0_, user0_.middleName as middleNa5_0_, user0_.password as password6_0_ from customers user0_ where user0_.email='sdghag@jsjdhak.zdhzg'
Aug 11, 2020 12:29:40 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [dispatcher] in context with path [/finalYearProject2] threw exception [Request processing failed; nested exception is javax.validation.ValidationException: HV000028: Unexpected exception during isValid call.] with root cause
java.lang.NullPointerException
at com.vicky.finalYearProject.customValidations.UserAvailabilityValidator.isValid(UserAvailabilityValidator.java:26)
at com.vicky.finalYearProject.customValidations.UserAvailabilityValidator.isValid(UserAvailabilityValidator.java:1)
at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:180)
at org.hibernate.validator.internal.engine.constraintvalidation.SimpleConstraintTree.validateConstraints(SimpleConstraintTree.java:62)
at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:75)
at org.hibernate.validator.internal.metadata.core.MetaConstraint.doValidateConstraint(MetaConstraint.java:130)
at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:123)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraint(ValidatorImpl.java:555)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForSingleDefaultGroupElement(ValidatorImpl.java:518)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:488)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:450)
at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:400)
at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:172)
at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.validate(BeanValidationEventListener.java:116)
at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.onPreInsert(BeanValidationEventListener.java:80)
at org.hibernate.action.internal.EntityIdentityInsertAction.preInsert(EntityIdentityInsertAction.java:197)
at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:75)
at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:645)
at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:282)
at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:263)
at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:317)
at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:332)
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289)
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:196)
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:127)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:192)
at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:38)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:177)
at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:32)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:73)
at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:713)
at org.hibernate.internal.SessionImpl.save(SessionImpl.java:705)
at org.hibernate.internal.SessionImpl.save(SessionImpl.java:700)
at com.vicky.finalYearProject.DAO.UserDaoImplimantation.addUser(UserDaoImplimantation.java:16)
at com.vicky.finalYearProject.Service.PurchaseService.purchase(PurchaseService.java:46)
at com.vicky.finalYearProject.Controller.UserController.purchaseconformed(UserController.java:74)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:888)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:158)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:835)
Hibernaete.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.password">120699@mysqL</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/final_year_project</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>
<property name="hbm2ddl.auto">update</property>
<property name="show_sql">true</property>
</session-factory>
</hibernate-configuration>
Spring Configuration
1.ViewResolverConfigrationClass.java
package com.vicky.finalYearProject.Configuration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "com.vicky.finalYearProject")
public class ViewResolverConfigrationClass {
@Bean
public ViewResolver viewResolver() {
InternalResourceViewResolver viewresolver = new InternalResourceViewResolver();
viewresolver.setPrefix("/WEB-INF/view/");
viewresolver.setSuffix(".jsp");
return viewresolver;
}
}
2.DispecherServletConfigClass.java
package com.vicky.finalYearProject.Configuration;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class DispecherServletConfigClass extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return null;
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class[] {ViewResolverConfigrationClass.class};
}
@Override
protected String[] getServletMappings() {
return new String[] {"/"};
}
}
I tried alot to figure out Even it works well without @UserAvailability in User.java Class
EVEN it works well with @UserAvailability when UserAvailabilityValidator.IsValid() returns false
Can Anyone please solve this issue For me...Thank you`enter code here
I THINK HIBERNATE IS AGAIN VALIDATING ALL CONSTRAINT AFTER SPRING THIS ERROR ERROR IS COME WHEN I TRY TO USE SAVE METHOD IN HIBERNATE
UserController.java
package com.vicky.finalYearProject.Controller;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import com.vicky.finalYearProject.Entity.Department;
import com.vicky.finalYearProject.Entity.Student;
import com.vicky.finalYearProject.Entity.University;
import com.vicky.finalYearProject.Service.StudentSignupService;
@Controller
@RequestMapping("/student")
public class StudentController {
@Autowired
Student student;
@Autowired
StudentSignupService studentSignupSvc;
List<String> universities;
List<String> departments;
@GetMapping("/signup")
public String studentLogin(Model model) {
universities = studentSignupSvc.getAllUniversity();
departments = studentSignupSvc.getAllDepartment();
model.addAttribute("student", student);
model.addAttribute("universityOptions", universities);
model.addAttribute("departmentOptions", departments);
return "student/signup";
}
@PostMapping("/conformation")
public String studentConformation(
@Valid @ModelAttribute("student") Student student,
BindingResult result,
Model model,
HttpServletRequest request) {
if(result.hasErrors()) {
model.addAttribute("universityOptions", universities);
model.addAttribute("departmentOptions", departments);
return "student/signup";
}
else {
String universityName = (String)request.getParameter("theUniversity");
String departmentName = (String)request.getParameter("theDepartment");
University university = studentSignupSvc.getUniversity(universityName);
Department department = studentSignupSvc.getDepartment(departmentName);
student.setUniversity(university);
student.setDepartment(department);
studentSignupSvc.signup(student); //CAUSE OF ERROR If I comment this line everything work fine
//and sigup service is perfactly auto wired i checked it.
return "student/studentConformation";
}
}
}
