如何解决ssh框架一对多延迟加载的问题
0
悬赏园豆：20
[待解决问题]
项目是一个ssh框架项目，在配置延迟加载时一直配不对
recUser.hbm.xml如下（one的一方）
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Generated 2016-12-28 15:14:31 by Hibernate Tools 3.5.0.Final --> <hibernate-mapping> <class name="com.cpsec.seventang.lawyerRecruitment.entity.RecUser" table="rec_user" catalog="casserver"> <id name="userId" type="java.lang.Integer"> <column name="user_id" /> <generator class="identity" /> </id> <property name="company_id" type="java.lang.Integer"> <column name="company_id"></column> </property> <property name="userImg" type="string"> <column name="user_img"> </column> </property> <property name="userName" type="string"> <column name="user_name"> </column> </property> <property name="userPassword" type="string"> <column name="user_password" length="20" /> </property> <set name="recEducations" table="rec_education" inverse="true" lazy="true" > <key> <column name="user_id" /> </key> <one-to-many class="com.cpsec.seventang.lawyerRecruitment.entity.RecEducation" /> </set> </class> </hibernate-mapping>
RecEducation.hbm.xml（many的一方）
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Generated 2016-12-28 15:14:31 by Hibernate Tools 3.5.0.Final --> <hibernate-mapping> <class name="com.cpsec.seventang.lawyerRecruitment.entity.RecEducation" table="rec_education" catalog="casserver"> <id name="eduId" type="java.lang.Integer"> <column name="edu_id" /> <generator class="identity" /> </id> <many-to-one name="recUser" class="com.cpsec.seventang.lawyerRecruitment.entity.RecUser" fetch="join" lazy="false"> <column name="user_id" /> </many-to-one> <property name="eduSchool" type="string"> <column name="edu_school" length="30"> </column> </property> <property name="eduMajor" type="string"> <column name="edu_major" length="30"> </column> </property> <property name="eduDegree" type="string"> <column name="edu_degree" length="30"> </column> </property> <property name="eduStart" type="string"> <column name="edu_start" length="8"> </column> </property> <property name="eduEnd" type="string"> <column name="edu_end" length="8"> </column> </property> <property name="eduExperience" type="string"> <column name="edu_experience"> </column> </property> </class> </hibernate-mapping>
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> <display-name>lawyer</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <filter> <filter-name>OpenSessionInView</filter-name> <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> <init-param> <param-name>singleSession</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>OpenSessionInView</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter> <filter-name>struts</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
package lawyerRecruitment; import java.util.Map; import javax.annotation.Resource; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.cpsec.seventang.lawyerRecruitment.biz.UserBiz; import com.cpsec.seventang.lawyerRecruitment.dao.UserDao; import com.cpsec.seventang.lawyerRecruitment.entity.RecUser; import com.cpsec.seventang.lawyerRecruitment.util.ParserToMap; import net.sf.json.JSONObject; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = "classpath:beans.xml") public class UserTest { @Resource private UserDao userDao; @Resource private UserBiz userBiz; @Test public void userToJson(){ RecUser user=userDao.queryRecUser("18301221126"); System.out.println(user);//可以打印出来 System.out.println(user.getRecEducations().size());//运行到这一行程序停止并且不报错，junit打印异常 System.out.println("ggggggggg"); } }
异常信息
org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.cpsec.seventang.lawyerRecruitment.entity.RecUser.recEducations, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:383) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:375) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:122) at org.hibernate.collection.PersistentSet.size(PersistentSet.java:162) at lawyerRecruitment.UserTest.userToJson(UserTest.java:34) 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:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82) at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180) 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:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
有没有大神指导一下
