Java BeanCreationException
我正在修改Heroku的JavaSpringHibernate模板,并尝试连接本地postgresql数据库。然而,我收到这个错误,不确定如何修复它Java BeanCreationException,java,spring,hibernate,spring-mvc,Java,Spring,Hibernate,Spring Mvc,我正在修改Heroku的JavaSpringHibernate模板,并尝试连接本地postgresql数据库。然而,我收到这个错误,不确定如何修复它 `org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0':
`org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.java.model.FirstModelImple] for bean with name 'name of the object' defined in class path resource [applicationContext.xml]; nested exception is java.lang.ClassNotFoundException: com.java.model.FirstModelImple
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.java.model.FirstModelImple] for bean with name 'name of the object' defined in class path resource [applicationContext.xml]; nested exception is java.lang.ClassNotFoundException: com.java.model.FirstModelImple
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.java.model.FirstModelImple] for bean with name 'name of the object' defined in class path resource [applicationContext.xml]; nested exception is java.lang.ClassNotFoundException: com.java.model.FirstModelImple
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:631)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:588)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:645)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:508)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:449)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:133)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1284)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1197)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5210)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5493)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)`
这是我的applicationContext.xml文件,我在其中声明数据库:
<beans profile="default">
<bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="dataSource">
<property name="driverClassName" value="org.postgresql.Driver"/>
<property name="url" value="jdbc:postgresql://ericsMac@localhost/mydb"/>
<property name="username" value="ericsMac"/>
<property name="password" value=" "/>
</bean>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"/>
</property>
<property name="jpaProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<!-- change this to 'verify' before running as a production app -->
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
</bean>
</beans>`
org.hibernate.dialogue.PostgreSqlDialogue
真的
更新
`
通常,当我看到spring错误时,我发现最有用的方法是一直滚动(一路,一路,一路)到代码块最右侧消息行的末尾
我看到了:
java.lang.ClassNotFoundException: com.java.model.FirstModelImple
我猜该类不在您的类路径上,而是被您的bean配置中的某些东西引用。我还建议这句话看起来有点可疑,可能意味着你还没有编辑过一些东西,但它可能是特定于heroku的(比如你正在遵循的教程示例?),因此我无法帮助你:
for bean with name 'name of the object'
因为我在您提供的应用程序上下文中并没有看到“对象名称”,所以很可能加载了其他应用程序上下文文件 谢谢,格斯,你说得对,我有一个不应该的bean引用FirstModelImple。