在spring+hibernate框架的java项目开发过程中,经常会遇到这样的错误: could not find a getter for ... in class ...

 可能原因如下:

1.真的没有写getter方法(发生几率:1%)

2.*.hmb.xml文件中的属性名和pojo不一致(*.hbm.xml和*.java没衔接好,不一致),字段属性没有正确配置,比如, *.hmb.xml中*.java的地址要明确(明确指出引用包的完整路径);映射错误;有多个主键时,对生成的联合主键配置错误;拼写错误(包括多空 格)等(发生几率:48%)

3.方法写错/方法名写错,要按照javabean的书写规范写啊,要不然打死也找不到哪儿错了(发生几率:50%)

这里提一下:get/set是不是不允许方法名中有连续两个大写字母,例如

public   String   getODPType(){

                return   this.oDPType;

}

public   void   setODPType(String             oDPType){

this.oDPType   =   oDPType;

}

这样写它就会报错,报找不到getter   for   oDPType的错误,但下面这样写就可以了

public   String   odpType;

public   String   getOdpType(){

                return   this.odpType;

}

public   void   setOdpType(String             odpType){

this.odpType   =   odpType;

}

4.其他不明原因(发生几率:1%)

2025-06-01 14:48:11.604 ERROR 23468 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not determine type for: com.kucun.data.entity.Bancai, at table: kucun, for columns: [org.hibernate.mapping.Column(bancai)] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1799) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1109) ~[spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) ~[spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551) ~[spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:755) ~[spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:402) ~[spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:173) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:153) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:95) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE] at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172) [spring-web-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5128) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.37] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717) [catalina.jar:9.0.37] at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690) [catalina.jar:9.0.37] at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) [catalina.jar:9.0.37] at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1133) [catalina.jar:9.0.37] at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1866) [catalina.jar:9.0.37] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_331] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_331] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-util.jar:9.0.37] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112) [na:1.8.0_331] at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1045) [catalina.jar:9.0.37] at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:429) [catalina.jar:9.0.37] at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576) [catalina.jar:9.0.37] at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366) [catalina.jar:9.0.37] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:936) [catalina.jar:9.0.37] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.37] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) [catalina.jar:9.0.37] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [catalina.jar:9.0.37] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_331] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-util.jar:9.0.37] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_331] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) [catalina.jar:9.0.37] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.37] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.37] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) [catalina.jar:9.0.37] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.37] at org.apache.catalina.startup.Catalina.start(Catalina.java:738) [catalina.jar:9.0.37] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_331] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_331] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_331] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_331] at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342) [bootstrap.jar:9.0.37] at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473) [bootstrap.jar:9.0.37] Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not determine type for: com.kucun.data.entity.Bancai, at table: kucun, for columns: [org.hibernate.mapping.Column(bancai)] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:403) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:378) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1858) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1795) ~[spring-beans-5.2.15.RELEASE.jar:5.2.15.RELEASE] ... 58 common frames omitted Caused by: org.hibernate.MappingException: Could not determine type for: com.kucun.data.entity.Bancai, at table: kucun, for columns: [org.hibernate.mapping.Column(bancai)] at org.hibernate.mapping.SimpleValue.getType(SimpleValue.java:499) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.mapping.SimpleValue.isValid(SimpleValue.java:466) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.mapping.Property.isValid(Property.java:227) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:624) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.mapping.RootClass.validate(RootClass.java:267) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.boot.internal.MetadataImpl.validate(MetadataImpl.java:354) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:298) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:468) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1259) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:391) ~[spring-orm-5.2.15.RELEASE.jar:5.2.15.RELEASE] ... 62 common frames omitted
06-02
org.hibernate.LazyInitializationException: could not initialize proxy [com.gzlg.music_player.domain.Music#3] - no Session at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:176) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:322) at org.hibernate.proxy.pojo.bytebuddy.ByteBuddyInterceptor.intercept(ByteBuddyInterceptor.java:45) at org.hibernate.proxy.ProxyConfiguration$InterceptorDispatcher.intercept(ProxyConfiguration.java:95) at com.gzlg.music_player.domain.Music$HibernateProxy$5whND1E8.toString(Unknown Source) at java.lang.String.valueOf(String.java:2994) at java.lang.StringBuilder.append(StringBuilder.java:136) at com.gzlg.music_player.MusicPlayerApplicationTests.findMusicsByPlaylistId(MusicPlayerApplicationTests.java:47) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)
05-22
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