por que "productname" não é suportado quando adiciono o código productimage e "NULL não é permitido para a coluna" PRODUCTNAME "; Instrução SQL: ”[fechada]
i am not add any null in "productName" but error org.hibernate.exception.ConstraintViolationException: NULL not allowed for column "PRODUCTNAME"; SQL statement
meu erro nulo não é permitido productname, então como posso resolver esse problema HTTP Status 500 - Falha no processamento da solicitação; exceção aninhada é org.hibernate.exception.ConstraintViolationException: NULL não permitido para a coluna "PRODUCTNAME"; Instrução SQL:
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.logExceptions SQL Error: 23502, SQLState: 23502
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.logExceptions NULL not allowed for column "PRODUCTNAME"; SQL statement
type: Exception report
message Request processing failed; nested exception is org.hibernate.exception.ConstraintViolationException: NULL not allowed for column "PRODUCTNAME"; SQL statement:
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.hibernate.exception.ConstraintViolationException: NULL not allowed for column "PRODUCTNAME"; SQL statement:
insert into Product (productId, productCategory, productCondition, productDescription, productManufacturer, productName, productPrice, productStatus, unitInStock) values (null, ?, ?, ?, ?, ?, ?, ?, ?) [23502-196]
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
org.hibernate.exception.ConstraintViolationException: NULL not allowed for column "PRODUCTNAME"; SQL statement:
insert into Product (productId, productCategory, productCondition, productDescription, productManufacturer, productName, productPrice, productStatus, unitInStock) values (null, ?, ?, ?, ?, ?, ?, ?, ?) [23502-196]
org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:128)
org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47)
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129)
org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
com.sun.proxy.$Proxy47.executeUpdate(Unknown Source)
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:55)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2757)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3268)
org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:78)
org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:272)
org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:304)
org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195)
org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:128)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:204)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:189)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:114)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
org.hibernate.internal.SessionImpl.fireSaveOrUpdate(SessionImpl.java:615)
org.hibernate.internal.SessionImpl.saveOrUpdate(SessionImpl.java:608)
org.hibernate.internal.SessionImpl.saveOrUpdate(SessionImpl.java:604)
com.emusicstore.dao.impl.ProductDaoImpl.addProduct(ProductDaoImpl.java:25)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)`enter code here`
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy42.addProduct(Unknown Source)
com.emusicstore.controller.HomeController.addProductPost(HomeController.java:84)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
org.h2.jdbc.JdbcSQLException: NULL not allowed for column "PRODUCTNAME"; SQL statement:
insert into Product (productId, productCategory, productCondition, productDescription, productManufacturer, productName, productPrice, productStatus, unitInStock) values (null, ?, ?, ?, ?, ?, ?, ?, ?) [23502-196]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
at org.h2.message.DbException.get(DbException.java:179)
at org.h2.message.DbException.get(DbException.java:155)
at org.h2.table.Column.validateConvertUpdateSequence(Column.java:345)
at org.h2.table.Table.validateConvertUpdateSequence(Table.java:797)
at org.h2.command.dml.Insert.insertRows(Insert.java:151)
at org.h2.command.dml.Insert.update(Insert.java:114)
at org.h2.command.CommandContainer.update(CommandContainer.java:101)
at org.h2.command.Command.executeUpdate(Command.java:260)
at org.h2.server.TcpServerThread.process(TcpServerThread.java:354)
at org.h2.server.TcpServerThread.run(TcpServerThread.java:158)
at java.lang.Thread.run(Unknown Source)
org.h2.engine.SessionRemote.done(SessionRemote.java:629)
org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:209)
org.h2.jdbc.JdbcPreparedStatement.executeUpdateInternal(JdbcPreparedStatement.java:164)
org.h2.jdbc.JdbcPreparedStatement.executeUpdate(JdbcPreparedStatement.java:150)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)
org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:122)
org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
com.sun.proxy.$Proxy47.executeUpdate(Unknown Source)
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:55)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2757)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3268)
org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:78)
org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:272)
org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:304)
org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195)
org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:128)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:204)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:189)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:114)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
org.hibernate.internal.SessionImpl.fireSaveOrUpdate(SessionImpl.java:615)
org.hibernate.internal.SessionImpl.saveOrUpdate(SessionImpl.java:608)
org.hibernate.internal.SessionImpl.saveOrUpdate(SessionImpl.java:604)
com.emusicstore.dao.impl.ProductDaoImpl.addProduct(ProductDaoImpl.java:25)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy42.addProduct(Unknown Source)
com.emusicstore.controller.HomeController.addProductPost(HomeController.java:84)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.28 logs.
isso é adicionar código da página do produto
<%@taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@include file="/WEB-INF/views/template/header.jsp"%>
<div class="container-wrapper">
<div class="container">
<div class="page-header">
<h1>Add Product</h1>
<p class="lead">Fill the below information to a product: </p>
</div>
<form:form action="${pageContext.request.contextPath}/admin/productInventory/addProduct" method="post" commandName="product" enctype="multipart/form-data">
<div class="form-group">
<label for="name">Name</label>
<form:input path="productName" id="name" class="form-Control"/>
</div>
<div class="form-group">
<label for="category">Category</label>
<label class="checkbox-inline"><form:radiobutton path="productCategory" id="category" value="instrument"/>Instrument</label>
<label class="checkbox-inline"><form:radiobutton path="productCategory" id="category" value="record"/>Record</label>
<label class="checkbox-inline"><form:radiobutton path="productCategory" id="category" value="accessory"/>Accessory</label>
</div>
<div class="form-group">
<label for="description">Description</label>
<form:textarea path="productDescription" id="description" class="form-Control"/>
</div>
<div class="form-group">
<label for="price">Price</label>
<form:input path="productPrice" id="price" class="form-Control"/>
</div>
<div class="form-group">
<label for="condition">Condition</label>
<label class="checkbox-inline"><form:radiobutton path="productCondition" id="condition" value="new"/>New</label>
<label class="checkbox-inline"><form:radiobutton path="productCondition" id="condition" value="used"/>Used</label>
</div>
<div class="form-group">
<label for="status">Status</label>
<label class="checkbox-inline"><form:radiobutton path="productStatus" id="status" value="active"/>Active</label>
<label class="checkbox-inline"><form:radiobutton path="productStatus" id="status" value="inactive"/>Inactive</label>
</div>
<div class="form-group">
<label for="unitInstock">Unit In stock</label>
<form:input path="unitInStock" id="unitInstock" class="form-Control"/>
</div>
<div class="form-group">
<label for="manufacturer">Manufacturer</label>
<form:input path="productManufacturer" id="manufacturer" class="form-Control"/>
</div>
<div class="form-group">
<label class="control-label" for="productImage">Upload Picture</label>
<form:input id="productImage" path="productImage" type="file" class="form:input-large"/>
</div>
<br><br>
<input type="submit" value="submit" class="btn btn-success">
<a href="<c:url value="/admin/productInventory"/> " class="btn btn-default">Cancle</a>
</form:form>
<%@include file="/WEB-INF/views/template/footer.jsp"%>
este é o código da imagem do produto
//productimage code
@RequestMapping(value = "/admin/productInventory/addProduct" , method = RequestMethod.POST)
public String addProductPost(@ModelAttribute("product") Product product, HttpServletRequest request){
productDao.addProduct(product);
MultipartFile productImage = product.getProductImage();
String rootDirectory = request.getSession().getServletContext().getRealPath("/");
path = Paths.get(rootDirectory + "\\WEB-INF\\resources\\images\\"+product.getProductId()+".png");
if (productImage !=null && !productImage.isEmpty())
{
try{
productImage.transferTo(new File(path.toString()));
}catch (Exception e)
{
e.printStackTrace();
throw new RuntimeException("Product image saving failed",e);
}
}
return "redirect:/admin/productInventory";
}
productimage//
this is add our product column
package com.emusicstore.model;
import org.springframework.web.multipart.MultipartFile;
import javax.persistence.*;
@Entity
public class Product {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private String productId;
private String productName;
private String productCategory;
private String productDescription;
private double productPrice;
private String productCondition;
private String productStatus;
private int unitInStock;
private String productManufacturer;
@Transient//automatic create productImage in database
private MultipartFile productImage;
public String getProductId() {
return productId;
}
public void setProductId(String productId) {
this.productId = productId;
}
public String getProductName() {
return productName;
}
public void setProductName(String productName) {
this.productName = productName;
}
public String getProductCategory() {
return productCategory;
}
public void setProductCategory(String productCategory) {
this.productCategory = productCategory;
}
public String getProductDescription() {
return productDescription;
}
public void setProductDescription(String productDescription) {
this.productDescription = productDescription;
}
public double getProductPrice() {
return productPrice;
}
public void setProductPrice(double productPrice) {
this.productPrice = productPrice;
}
public String getProductCondition() {
return productCondition;
}
public void setProductCondition(String productCondition) {
this.productCondition = productCondition;
}
public String getProductStatus() {
return, productStatus;
}
public void setProductStatus(String productStatus) {
this.productStatus = productStatus;
}
public int getUnitInStock() {
return unitInStock;
}
public void setUnitInStock(int unitInStock) {
this.unitInStock = unitInStock;
}
public String getProductManufacturer() {
return productManufacturer;
}
public void setProductManufacturer(String productManufacturer) {
this.productManufacturer = productManufacturer;
}
public MultipartFile getProductImage() {
return productImage;
}
public void setProductImage(MultipartFile productImage) {
this.productImage = productImage;
}
}
package com.emusicstore.dao.impl;
import com.emusicstore.dao.ProductDao;
import com.emusicstore.model.Product;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Repository
@Transactional
public class ProductDaoImpl implements ProductDao {
@Autowired
private SessionFactory sessionFactory;
public void addProduct(Product product){
Session session = sessionFactory.getCurrentSession();
session.saveOrUpdate(product);
session.flush();
}
public Product getProductById(String id){
Session session = sessionFactory.getCurrentSession();
Product product = (Product) session.get(Product.class,id);
session.flush();
return product;
}
public List<Product> getAllProducts(){
Session session = sessionFactory.getCurrentSession();
Query query = session.createQuery("from Product");
List<Product> products= query.list();
session.flush();
return products;
}
public void deleteProduct(String id){
Session session = sessionFactory.getCurrentSession();
session.delete(getProductById(id));
session.flush();
}
}
pom.xml for image
-----------------
este é o nosso pom.xml para imagem
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
na verdade qual é o erro como resultado, não consigo inserir meu arquivo no banco de dados, por favor me ajude