spring - 在 JPA/hibernate 和 spring 中使用 joda time

标签 spring hibernate jpa-2.0 jodatime

我会坚持到数据库创建日期和时间。我有一些日期和时间类(class)的经验，但我不喜欢它们。

最近我开始使用 Joda time。我不得不说图书馆是处理日期和时间的最佳选择。

现在我想保留来自 joda 的 DateTime 对象。

我已经试过了:

@Type(type="org.joda.time.contrib.hibernate.PersistentDateTime")
private DateTime creationDate;

但不幸的是它不起作用。这是堆栈跟踪:

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class com.derp.common.init.WebAppConfig: Invocation of init method failed; nested exception is org.hibernate.MappingException: Could not determine type for: org.joda.time.contrib.hibernate.PersistentDateTime
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1568)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:540)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1081)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1006)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:904)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:527)
    ... 41 more
Caused by: org.hibernate.MappingException: Could not determine type for: org.joda.time.contrib.hibernate.PersistentDateTime
    at org.hibernate.cfg.annotations.SimpleValueBinder.fillSimpleValue(SimpleValueBinder.java:510)
    at org.hibernate.cfg.SetSimpleValueTypeSecondPass.doSecondPass(SetSimpleValueTypeSecondPass.java:42)
    at org.hibernate.cfg.Configuration.processSecondPassesOfType(Configuration.java:1472)
    at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1420)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1846)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
    at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372)
    at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:453)
    at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:438)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1627)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1564)
    ... 51 more
Caused by: org.hibernate.annotations.common.reflection.ClassLoadingException: Unable to load Class [org.joda.time.contrib.hibernate.PersistentDateTime]
    at org.hibernate.annotations.common.util.StandardClassLoaderDelegateImpl.classForName(StandardClassLoaderDelegateImpl.java:60)
    at org.hibernate.cfg.annotations.SimpleValueBinder.fillSimpleValue(SimpleValueBinder.java:491)
    ... 61 more
Caused by: java.lang.ClassNotFoundException: org.joda.time.contrib.hibernate.PersistentDateTime
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1324)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1177)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:344)
    at org.hibernate.annotations.common.util.StandardClassLoaderDelegateImpl.classForName(StandardClassLoaderDelegateImpl.java:57)
    ... 62 more

还有我的 pom.xml 片段:

<dependency>
    <groupId>joda-time</groupId>
    <artifactId>joda-time</artifactId>
    <version>2.5</version>
</dependency>

希望有人能帮助我。

----已编辑-----

WebMvcConfigurerAdapter

package com.derp.common.init;

import java.util.Properties;

import javax.annotation.Resource;
import javax.sql.DataSource;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.http.MediaType;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.hibernate4.HibernateTransactionManager;
import org.springframework.orm.hibernate4.LocalSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

//import com.derp.common.wicketView.HomePage;

@Configuration
@ComponentScan("com.derp")
@EnableWebMvc
@EnableTransactionManagement
@PropertySource("classpath:application.properties")
public class WebAppConfig extends WebMvcConfigurerAdapter {

    private static final String PROPERTY_NAME_DATABASE_DRIVER = "db.driver";
    private static final String PROPERTY_NAME_DATABASE_PASSWORD = "db.password";
    private static final String PROPERTY_NAME_DATABASE_URL = "db.url";
    private static final String PROPERTY_NAME_DATABASE_USERNAME = "db.username";

    private static final String PROPERTY_NAME_HIBERNATE_DIALECT = "hibernate.dialect";
    private static final String PROPERTY_NAME_HIBERNATE_SHOW_SQL = "hibernate.show_sql";
    private static final String PROPERTY_NAME_HIBERNATE_HBM2DDL_AUTO = "hibernate.hbm2ddl.auto";
    private static final String PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_SERVICES = "services.entitymanager.packages.to.scan";
    private static final String PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_COMMON = "common.entitymanager.packages.to.scan";
    private static final String PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_CMS = "cms.entitymanager.packages.to.scan";

    @Resource
    private Environment env;

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName(env.getRequiredProperty(PROPERTY_NAME_DATABASE_DRIVER));
        dataSource.setUrl(env.getRequiredProperty(PROPERTY_NAME_DATABASE_URL));
        dataSource.setUsername(env.getRequiredProperty(PROPERTY_NAME_DATABASE_USERNAME));
        dataSource.setPassword(env.getRequiredProperty(PROPERTY_NAME_DATABASE_PASSWORD));
        return dataSource;
    }

    @Bean
    public LocalSessionFactoryBean sessionFactory() {
        LocalSessionFactoryBean sessionFactoryBean = new LocalSessionFactoryBean();
        sessionFactoryBean.setDataSource(dataSource());
        //sessionFactoryBean.setPackagesToScan(env.getRequiredProperty(PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN));
        sessionFactoryBean.setPackagesToScan(new String[] {
                env.getRequiredProperty(PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_SERVICES),
                env.getRequiredProperty(PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_COMMON),
                env.getRequiredProperty(PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN_CMS)
                });
        sessionFactoryBean.setHibernateProperties(hibProperties());
        return sessionFactoryBean;
    }

    private Properties hibProperties() {
        Properties properties = new Properties();
        properties.put(PROPERTY_NAME_HIBERNATE_DIALECT, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_DIALECT));
        properties.put(PROPERTY_NAME_HIBERNATE_SHOW_SQL, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_SHOW_SQL));
        properties.put(PROPERTY_NAME_HIBERNATE_HBM2DDL_AUTO, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_HBM2DDL_AUTO));
        return properties;  
    }

    @Bean
    public HibernateTransactionManager transactionManager() {
        HibernateTransactionManager transactionManager = new HibernateTransactionManager();
        transactionManager.setSessionFactory(sessionFactory().getObject());
        return transactionManager;
    }


    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        // Simple strategy: only path extension is taken into account
        configurer.favorPathExtension(true).
            ignoreAcceptHeader(true).
            useJaf(false).
            defaultContentType(MediaType.TEXT_HTML).
            mediaType("html", MediaType.TEXT_HTML).
            mediaType("xml", MediaType.APPLICATION_XML).
            mediaType("json", MediaType.APPLICATION_JSON);
    }
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/img/**").addResourceLocations("/WEB-INF/img/*");
        registry.addResourceHandler("/css/**").addResourceLocations("/WEB-INF/css/*");
        registry.addResourceHandler("/js/**").addResourceLocations("/WEB-INF/js/*");
        registry.addResourceHandler("/lib/**").addResourceLocations("/WEB-INF/lib/*");
    }
}

WebApplicationInitializer 类:

package com.derp.common.init;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration.Dynamic;

import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.servlet.DispatcherServlet;

public class Initializer implements WebApplicationInitializer {


    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
        ctx.register(WebAppConfig.class);
        ctx.register(ThymeleafConfig.class);
        servletContext.addListener(new ContextLoaderListener(ctx));

        ctx.setServletContext(servletContext);

        Dynamic servlet = servletContext.addServlet("dispatcher", new DispatcherServlet(ctx));
        servlet.addMapping("/");
        servlet.setAsyncSupported(true);     
        servlet.setLoadOnStartup(1);
        // Allow to use Put and Delete method for REST architecture
        registerHiddenFieldFilter(servletContext);
    }

    private void registerHiddenFieldFilter(ServletContext aContext) {
        aContext.addFilter("hiddenHttpMethodFilter", new HiddenHttpMethodFilter()).addMappingForUrlPatterns(null ,true, "/*"); 
    }
}

最佳答案

您可以为此目的使用 Jadira:

将此添加到您的 pom.xml:

<dependency>
    <groupId>org.jadira.usertype</groupId>
    <artifactId>usertype.extended</artifactId>
    <version>3.2.0.GA</version>
</dependency>

并将其放入您的 hibernate 属性中(配置类中的 hibProperties 方法):

properties.put("jadira.usertype.autoRegisterUserTypes", "true");

完成此操作后，您可以从 Joda 属性中删除 @Type 注释，它应该可以正常工作(对我来说适用于 Joda 和 JSR-310)。

关于spring - 在 JPA/hibernate 和 spring 中使用 joda time，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/27235033/

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