maven整合ssm
在做maven整合ssm的时候，现在只是做到mybatis和spring整合，报找不到实体类异常
错误信息
| org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.mybatis.spring.mapper.MapperScannerConfigurer#0' defined in file [E:项目空间eclipseusersCenterusersCenter_commontargetclassesspringapplicationContext_common.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [E:项目空间eclipseusersCenterusersCenter_commontargetclassesspringapplicationContext_common.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis.cfg.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'admins'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:563) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:115) at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:524) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) at com.bjsxt.userscenter.common.test.BaseTest.init(BaseTest.java:28) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [E:项目空间eclipseusersCenterusersCenter_commontargetclassesspringapplicationContext_common.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis.cfg.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'admins'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1589) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:554) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByName(AbstractAutowireCapableBeanFactory.java:1255) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1205) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:552) ... 35 more Caused by: org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis.cfg.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'admins'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:500) at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:380) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1648) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1585) ... 44 more Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'admins'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:120) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:98) at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:494) ... 47 more Caused by: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'admins'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.apache.ibatis.builder.xml.XMLConfigBuilder.typeAliasesElement(XMLConfigBuilder.java:170) at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:108) ... 49 more Caused by: java.lang.ClassNotFoundException: Cannot find class: com.bjsxt.userscenter.users.pojo.Admins at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:200) at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:89) at org.apache.ibatis.io.Resources.classForName(Resources.java:261) at org.apache.ibatis.builder.xml.XMLConfigBuilder.typeAliasesElement(XMLConfigBuilder.java:163) ... 50 more java.lang.NullPointerException at com.bjsxt.userscenter.common.test.BaseTest.close(BaseTest.java:48) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) |
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.bjsxt.userscenter.users.dao.IAdminsDao">
<!-- 添加一条记录 -->
<insert id="save" parameterType="admins" useGeneratedKeys="true" keyProperty="id">
insert into a_admins
(roleId, email, password, status, trueName, phone, qq, loginFailedCount, loginFailedTime,
createTime, updateTime, lastLoginTime)
values
(#{roleId},#{ email},#{ password},#{ status},#{ trueName},#{ phone},#{ qq},#{ loginFailedCount},#{ loginFailedTime},
#{createTime},#{updateTime},#{lastLoginTime})
</insert>
<!-- 更新一条记录 -->
<update id="update" parameterType="admins">
update a_admins
<set>
(roleId=#{roleId}, email=#{email}, password=#{password}, status=#{status}, trueName=#{trueName},
phone=#{phone}, qq=#{qq}, loginFailedCount=#{loginFailedCount}, loginFailedTime=#{loginFailedTime},
createTime=#{createTime}, updateTime=#{updateTime}, lastLoginTime=#{lastLoginTime})
</set>
where id = #{id}
</update>
<!-- 删除一条记录 -->
<delete id="delete" parameterType="admins">
delete from a_admins
<where>
id = #{id}
</where>
</delete>
<!-- 查询一条记录 -->
<select id="findOne" parameterType="map" resultType="admins">
select * from a_admins
<where>
<if test="id != null">
and id = #{id}
</if>
</where>
</select>
<!-- 查询多条记录 带分页 -->
<!--
pageMarking == true 表示查询总记录数
pageMarking == false 表示使用分页查询
pageMarking == 什么也不传 表示不使用分页直接查询
-->
<select id="findCondlist" parameterType="map" resultType="admins">
<choose>
<when test="pageMarking =='true'">
<!-- 使用别名,用于储存总的记录数 -->
select count(*) as id from a_admins
</when>
<otherwise>
select * from a_admins
</otherwise>
</choose>
<!-- 查询条件 -->
<where>
<!-- 按照关键字查询 -->
<if test="keyword != null and keyword !=''">
and (email like #{keyword} or trueName like #{keyword} or phone like #{keyword}
or qq #{keyword})
</if>
<!-- 按照状态查询 -->
<if test="status != null">
and status = #{status}
</if>
<!-- 按照时间查询 -->
<if test="stDate != null and edDate != null">
<![CDATA[
and updateTime >= #{stDate} and updateTime < #{edDate}
]]>
</if>
</where>
<!-- 排序 -->
<choose>
<when test="pageMarking == 'true'"/>
<otherwise>
<choose>
<when test="orderby == createTimeASC">
order by createTime asc
</when>
<otherwise>
order by lastLoginTime desc
</otherwise>
</choose>
</otherwise>
</choose>
<!-- 分页 -->
<choose>
<when test="pageMarking == 'true'"/>
<when test="pageMarking == 'false'">
limit #{currentRecord},#{pageSize}
</when>
</choose>
</select>
</mapper>package com.bjsxt.userscenter.common.test;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.bjsxt.userscenter.common.util.ConstatFinalUtil;
/**
* 所有测试类的父类
* @author
*
*/
public class BaseTest
{
protected ApplicationContext ac;
/**
* 初始化
*/
@Before
public void init()
{
ac = new ClassPathXmlApplicationContext("classpath*:spring/applicationContext_*.xml");
ConstatFinalUtil.LOGGER.info("========init==========ac:{}",ac);
}
/**
* 测试方法
*/
@Test
public void test()
{
ConstatFinalUtil.LOGGER.info("===========test===========");
}
/**
* 关闭方法
*/
@After
public void close()
{
ClassPathXmlApplicationContext cpxac = (ClassPathXmlApplicationContext) this.ac;
cpxac.close();
ConstatFinalUtil.LOGGER.info("===========close===========");
}
}package com.bjsxt.userscenter.users.test;
import java.util.Date;
import org.junit.Before;
import org.junit.Test;
import com.alibaba.fastjson.JSONObject;
import com.bjsxt.userscenter.common.test.BaseTest;
import com.bjsxt.userscenter.common.util.ConstatFinalUtil;
import com.bjsxt.userscenter.common.util.EncryptUtil;
import com.bjsxt.userscenter.users.pojo.Admins;
import com.bjsxt.userscenter.users.service.IUsersService;
/**
* 用户service相关的测试类
* @author
*
*/
public class UsersServiceTest extends BaseTest
{
private IUsersService usersService;
@Before
public void init()
{
super.init();
this.usersService = (IUsersService) this.ac.getBean("usersService");
}
/**
* 保存一条管理员记录
*/
@Test
public void saveOneAdminsService()
{
Admins admins = new Admins();
admins.setEmail("11");
admins.setPassword(EncryptUtil.encodeStr("123456"));
admins.setCreateTime(new Date());
admins.setUpdateTime(new Date());
admins.setLastLoginTime(new Date());
JSONObject resultJSON = this.usersService.saveOneAdminsService(admins);
ConstatFinalUtil.LOGGER.info("结果：{}",resultJSON);
}
}<?xml version="1.0" encoding="UTF-8"?>
<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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd "
default-autowire="byName">
<!-- 开启注解扫描 -->
<context:component-scan base-package="com.bjsxt"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/userscenter"/>
<property name="username" value="root"/>
<property name="password" value="123456"/>
</bean>
<!-- 配置mybatis -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 配置Mybatis配置文件 -->
<property name="configLocation" value="classpath:mybatis.cfg.xml"/>
<!-- 配置Mybatis的映射文件 -->
<property name="mapperLocations" value="classpath:com/bjsxt/userscenter/*/pojo/*Mapper.xml"/>
</bean>
<!-- 为Dao赋值 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 设置BasePackage,到哪些包中照dao接口 -->
<property name="basePackage" value="com.bjsxt" />
</bean>
<!-- 事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"/>
<!-- 配置哪些方法需要开启事务 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="update*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="delete*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="*" read-only="true"/>
</tx:attributes>
</tx:advice>
<!-- aop配置 -->
<aop:config>
<!-- 切入点配置:定义哪些类，开启事务 ，拦截的是接口，注意，不再是实现类 -->
<aop:pointcut expression="execution(* com.bjsxt.userscenter.*.service.*.*(..))" id="pc"/>
<!-- 织入 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="pc"/>
</aop:config>
</beans>package com.bjsxt.userscenter.users.service.impl;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.alibaba.fastjson.JSONObject;
import com.bjsxt.userscenter.common.util.ConstatFinalUtil;
import com.bjsxt.userscenter.common.util.PageInfoUtil;
import com.bjsxt.userscenter.users.dao.IAdminsDao;
import com.bjsxt.userscenter.users.pojo.Admins;
import com.bjsxt.userscenter.users.service.IUsersService;
/**
* 管理员的service的实现类
* @author
*
*/
@Service("usersService")
public class UsersServiceImpl implements IUsersService
{
@Resource
private IAdminsDao adminsDao;
/**
* 保存一条管理员
* @return
*/
@Override
public JSONObject saveOneAdminsService(Admins admins)
{
JSONObject resultJSON = new JSONObject();
int res = this.adminsDao.save(admins);
if (res >0)
{
//添加成功
JSONObject dataJSON = new JSONObject();
dataJSON.put("id", admins.getId());
//影响条数
dataJSON.put("affect", res +"");
resultJSON.put("data", dataJSON);
resultJSON.put("code", "0");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("0"));
}else
{
resultJSON.put("code", "1");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("1"));
}
return resultJSON;
}
@Override
public JSONObject updateOneAdminsService(Admins admins)
{JSONObject resultJSON = new JSONObject();
int res = this.adminsDao.update(admins);
if (res >0)
{
//添加成功
JSONObject dataJSON = new JSONObject();
dataJSON.put("id", admins.getId());
//影响条数
dataJSON.put("affect", res +"");
resultJSON.put("data", dataJSON);
resultJSON.put("code", "0");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("0"));
}else
{
resultJSON.put("code", "2");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("2"));
}
return resultJSON;
}
@Override
public JSONObject deleteOneAdminsService(Admins admins)
{
JSONObject resultJSON = new JSONObject();
int res = this.adminsDao.delete(admins);
if (res >0)
{
//添加成功
JSONObject dataJSON = new JSONObject();
dataJSON.put("id", admins.getId());
//影响条数
dataJSON.put("affect", res +"");
resultJSON.put("data", dataJSON);
resultJSON.put("code", "0");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("0"));
}else
{
resultJSON.put("code", "3");
resultJSON.put("info", ConstatFinalUtil.INFO_JSON.get("3"));
}
return resultJSON;
}
@Override
public Admins findOneAdminsService(Map<String, Object> condMap)
{
return this.adminsDao.findOne(condMap);
}
@Override
public List<Admins> findAdminsCondListService(PageInfoUtil pageInfoUtil, Map<String, Object> condMap)
{
//为关键字实现模糊查询
if (condMap.get("keyword") != null && !"".equalsIgnoreCase(condMap.get("keyword")+""))
{
condMap.put("keyword", "%"+condMap.get("keyword")+"%");
}
if (pageInfoUtil != null)
{
//分页 先查询总记录数
condMap.put("pageMarking", "true");
List<Admins> adminsList = this.adminsDao.findCondList(condMap);
//取出总记录数
if (adminsList.size() == 1)
{
pageInfoUtil.setTotalRecord(adminsList.get(0).getId());
}
//开始查询数据
condMap.put("pageMarking", "false");
//limit ? ,?
condMap.put("currentRecord", pageInfoUtil.getCurrentRecord());
condMap.put("pageSize", pageInfoUtil.getPageSize());
return this.adminsDao.findCondList(condMap);
}else
{
//不进行分页，直接查询
return this.adminsDao.findCondList(condMap);
}
}
}如果你对这篇内容有疑问，欢迎到本站社区发帖提问 参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。
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评论（3）
你没有给admins起别名，mybatis不认识它。
应该在mybatis的xml配置文件中加上
代码没贴全，看看编译后的文件里有没有这个pojo
mapper里admins没有做aliaes,不能直接引用，还是写类的其全部路径吧，com.xxx.xxx.Admins