SpringMVC 4 + Hibernate4的Entity自动扫描配置问题？ ：报错
基础描述J2ee 7，IDE：IDEA13.1，SpringMVC 4.0.4.RELEASE Hibernate 4.3.5.Final
我想重新建立自动化框架，以前通过springmvc3+hibernate3 自动扫描@Controller自动扫描和@Entity自动建表
现在迁移到了Spring4 与hibernate4 但是Entity就是不创建
配置如下
web.xml
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>Spring MVC Application</display-name>
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- Scans the classpath of this application for @Components to deploy as beans -->
<context:component-scan base-package="com.springapp.mvc.web"/>
<!-- Configures the @Controller programming model -->
<mvc:annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources/ directory -->
<mvc:resources mapping="/resources/**" location="/WEB-INF/resources/" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- jsp page used the jstl-->
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!-- hibernate beans -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<!--指定Hibernate核心配置文件 数据库配置信息在hibernate.cfg.xml内-->
<property name="configLocation" value="/WEB-INF/hibernate.cfg.xml"/>
<property name="packagesToScan" value="com.springapp.mvc.entity.*" />
</bean>
<!--
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
-->
</beans>
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://192.168.1.159:3306/test</property>
<property name="connection.username">root</property>
<property name="connection.password"></property>
<!-- 数据库方言 -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- DB schema will be updated if needed -->
<property name="hbm2ddl.auto">update</property>
<!--是否在后台显示Hibernate用到的SQL语句，开发时设置为true，便于差错，程序运行时可以在Eclipse的控制台显示Hibernate的执行Sql语句。项目部署后可以设置为false，提高运行效率-->
<property name="hibernate.show_sql">true </property>
</session-factory>
</hibernate-configuration>
[2014-05-06 02:47:41,294] Artifact OutSource:war exploded: Artifact is being deployed, please wait...
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
06-May-2014 14:47:50.836 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory Z:\hava\build\tomcat\apache-tomcat-8.0.3\webapps\manager
06-May-2014 14:47:51.179 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.validator.internal.util.Version.<clinit> HV000001: Hibernate Validator 5.1.0.Final
06-May-2014 14:47:53.045 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.annotations.common.reflection.java.JavaReflectionManager.<clinit> HCANN000001: Hibernate Commons Annotations {4.0.4.Final}
06-May-2014 14:47:53.078 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.Version.logVersion HHH000412: Hibernate Core {4.3.5.Final}
06-May-2014 14:47:53.087 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.cfg.Environment.<clinit> HHH000206: hibernate.properties not found
06-May-2014 14:47:53.095 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.cfg.Environment.buildBytecodeProvider HHH000021: Bytecode provider name : javassist
06-May-2014 14:47:53.245 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.cfg.Configuration.configure HHH000044: Configuring from URL: file:/Z:/hava/Workspace/J2ee/OutSource/target/OutSource/WEB-INF/hibernate.cfg.xml
06-May-2014 14:47:53.423 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.cfg.Configuration.doConfigure HHH000041: Configured SessionFactory: null
06-May-2014 14:47:54.054 WARN [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure HHH000402: Using Hibernate built-in connection pool (not for production use!)
06-May-2014 14:47:54.065 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildCreator HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://192.168.1.159:3306/test]
06-May-2014 14:47:54.065 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildCreator HHH000046: Connection properties: {user=root, password=****}
06-May-2014 14:47:54.065 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildCreator HHH000006: Autocommit mode: false
06-May-2014 14:47:54.075 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure HHH000115: Hibernate connection pool size: 20 (min=1)
06-May-2014 14:47:54.516 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.dialect.Dialect.<init> HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
06-May-2014 14:47:54.849 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.engine.transaction.internal.TransactionFactoryInitiator.initiateService HHH000399: Using default transaction strategy (direct JDBC transactions)
06-May-2014 14:47:54.887 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory.<init> HHH000397: Using ASTQueryTranslatorFactory
06-May-2014 14:47:55.527 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.tool.hbm2ddl.SchemaUpdate.execute HHH000228: Running hbm2ddl schema update
06-May-2014 14:47:55.527 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.tool.hbm2ddl.SchemaUpdate.execute HHH000102: Fetching database metadata
06-May-2014 14:47:55.533 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.tool.hbm2ddl.SchemaUpdate.execute HHH000396: Updating schema
06-May-2014 14:47:55.536 INFO [RMI TCP Connection(3)-127.0.0.1] org.hibernate.tool.hbm2ddl.SchemaUpdate.execute HHH000232: Schema update complete
[2014-05-06 02:47:55,686] Artifact OutSource:war exploded: Artifact is deployed successfully
[2014-05-06 02:47:55,686] Artifact OutSource:war exploded: Deploy took 14,392 milliseconds
package com.springapp.mvc.entity;
import javax.persistence.Entity;
import javax.persistence.Table;
import org.hibernate.validator.constraints.NotBlank;
/**
* Created by hava on 2014/5/5.
*/
@Entity
@Table(name="servicestatus")
public class ServiceStatus extends IdEntity {
private String name;
private Boolean status;
// JSR303 BeanValidator的校验规则
//@NotBlank
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
// JSR303 BeanValidator的校验规则
//@NotBlank
public Boolean getStatus() {
return status;
}
public void setStatus(Boolean status) {
this.status = status;
}
}
package com.springapp.mvc.entity;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
/**
* 统一定义id的entity基类.
*
* 基类统一定义id的属性名称、数据类型、列名映射及生成策略.
* Oracle需要每个Entity独立定义id的SEQUCENCE时，不继承于本类而改为实现一个Idable的接口。
*
* @author calvin
*/
// JPA 基类的标识
@MappedSuperclass
public abstract class IdEntity {
protected Long id;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
}
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.springapp</groupId>
<artifactId>OutSource</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>OutSource</name>
<properties>
<spring.version>4.0.4.RELEASE</spring.version>
<hibernate.version>4.3.5.Final</hibernate.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- servlet3 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>
<!--定时任务调度使用-->
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
<!--postgresql for jdbc driver-->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.2-1002-jdbc4</version>
</dependency>
<!-- mysql driver -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.15</version>
</dependency>
<!-- jstl -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<!-- titles by jstl-->
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-extras</artifactId>
<version>3.0.3</version>
</dependency>
<!--XML reader-->
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
</dependency>
<!-- hibernate 验证数据安全 -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.0.Final</version>
</dependency>
</dependencies>
<build>
<finalName>OutSource</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<includes>
<include>**/*Tests.java</include>
</includes>
</configuration>
</plugin>
</plugins>
</build>
</project>
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偶然翻进来这个问题，题主是没有理解那个配置的意思，packagesToScan表示配置你需要sping帮你扫描的包名，也就是只需要详细到包，而题主在配置的时候写的是com.springapp.mvc.entity.*表示的就是entity包下的所有包，而你的entity里面只有详细的类，所以第一次扫描不到包。第二次配置为com.springapp.mvc.*就是表示扫描mvc下的所有包，mvc下至少有个entity包，所以可以生效。
其实题主只需要把配置写成com.springapp.mvc.entity就行了。加上“.*”就是画蛇添足。
######人工置顶=。=
######自己搞定，需要把mvc.conf.xml里面的
<property name="packagesToScan" value="com.springapp.mvc.entity.*" />
修改成为
<property name="packagesToScan" value="com.springapp.mvc.*" />
必须在扫描Entity的上一级 =。= ######
lz,你好，能把这个demo发我邮箱吗？fucaihefch@126.com
######回复 @抢小孩糖吃 : 也发我一下，353306158@qq.com 谢谢######以发送###### 楼主好 能不能把工程发我看下呀 谢谢 我也想创建一个这样的项目
######不好意思 你这个放到eclipse和myeclipse真的能work 吗
######能的2020-06-20 13:52:25赞同 展开评论 打赏
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