Spring Boot Thymeleaf Input Type=radio für Enum Property

ExceptionOfExpectation

ExceptionOfExpectation

Bekanntes Mitglied
Hallo, ich habe ein spezifisches Problem, in meinem Form-Tag und zwar habe ich in <FieldSet> zwei Radio-Buttons, jeder von den beiden beinhaltet Werte und zwar enum Werte:

HTML: 
<form action="#" th:action="@{/create-profile}" th:object="${profile}" method="post">
        ...
        
        
        <fieldset>
            <legend>Gender</legend>
            <input type="radio" id="male" th:fielde="*{gender}" th:value="${T(com.example.project.entity.Profile.Gender).Male}" required>
            <label for="male">Male</label><br>
            
            <input type="radio" id="female" th:field="*{gender}" th:value="${T(com.example.project.Profile.Gender).Female}">
            <label for="female">Female</label><br>
        </fieldset>
        
        <button type="submit">Submit</button>
    </form>
In meinem Entity habe ich das folgende Maßen gespeichert:
Java: 
...
    private Gender gender;

    public enum Gender{Male, Female}
...
Und in der Mysql Datenbank:
SQL: 
...
gender ENUM{"Male", "Female"} NOT NULL,
...
An sich funktioniert das zwischen Entity und Datenbank, aber es funktioniert nicht in dem Formular:
Code: 
2024-06-17T18:04:16.313+02:00  INFO 14380 --- [Astro1] [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Completed initialization in 14 ms
Gender: null
2024-06-17T18:04:43.729+02:00 ERROR 14380 --- [Astro1] [nio-8080-exec-4] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: org.springframework.dao.DataIntegrityViolationException: not-null property references a null or transient value : de.irahi.astro.entity.Profile.gender] with root cause

org.hibernate.PropertyValueException: not-null property references a null or transient value : com.example.project.entity.Profile.gender
    at org.hibernate.engine.internal.Nullability.checkNullability(Nullability.java:109) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.engine.internal.Nullability.checkNullability(Nullability.java:54) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.action.internal.AbstractEntityInsertAction.nullifyTransientReferencesIfNotAlready(AbstractEntityInsertAction.java:124) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:73) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:670) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:291) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:272) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:322) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:391) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:305) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:224) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:137) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:175) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.DefaultPersistEventListener.persist(DefaultPersistEventListener.java:93) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:77) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:54) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:757) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:741) ~[hibernate-core-6.5.2.Final.jar:6.5.2.Final]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:364) ~[spring-orm-6.1.8.jar:6.1.8]
    at jdk.proxy4/jdk.proxy4.$Proxy128.persist(Unknown Source) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:319) ~[spring-orm-6.1.8.jar:6.1.8]
    at jdk.proxy4/jdk.proxy4.$Proxy128.persist(Unknown Source) ~[na:na]
    at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:628) ~[spring-data-jpa-3.3.0.jar:3.3.0]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:277) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:516) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:285) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:628) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:168) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70) ~[spring-data-commons-3.3.0.jar:3.3.0]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123) ~[spring-tx-6.1.8.jar:6.1.8]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392) ~[spring-tx-6.1.8.jar:6.1.8]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-6.1.8.jar:6.1.8]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-6.1.8.jar:6.1.8]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165) ~[spring-data-jpa-3.3.0.jar:3.3.0]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184) ~[spring-aop-6.1.8.jar:6.1.8]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223) ~[spring-aop-6.1.8.jar:6.1.8]
    at jdk.proxy4/jdk.proxy4.$Proxy132.save(Unknown Source) ~[na:na]
    at de.irahi.astro.service.ProfileService.save(ProfileService.java:73) ~[classes/:na]
    at de.irahi.astro.controller.CreateController.createProfile(CreateController.java:39) ~[classes/:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:255) ~[spring-web-6.1.8.jar:6.1.8]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:188) ~[spring-web-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:926) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:831) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:590) ~[tomcat-embed-core-10.1.24.jar:6.0]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.1.8.jar:6.1.8]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) ~[tomcat-embed-core-10.1.24.jar:6.0]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:195) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.1.8.jar:6.1.8]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.8.jar:6.1.8]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.1.8.jar:6.1.8]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.8.jar:6.1.8]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.1.8.jar:6.1.8]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.8.jar:6.1.8]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:389) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) ~[tomcat-embed-core-10.1.24.jar:10.1.24]
    at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
Das gender wird nicht übernommen.
Ich habe mit zwei Beans versucht: Converter<String, Profile.Gender> und AttributeConverter<String, Profile.Gender> den Fehlenden Schritt abzufangen, doch das hilft nicht. Wie passe ich das in meinem Formular an, damit es übernommen wird. Der Charakter Typ in meinem Datenbank ist nicht direkt schuld daran, das liegt eher an enum Klasse. In Thymeleaf Dokumentation steht darüber nichts, außer das was ich schon in meinem Beispiel übernommen habe. So gesehen brauche ich nicht mal den Package in meinem th:value, weil der Import wird aus der Kontroller Klasse übernommen.
 
Ich habe die Lösung für das Problem gefunden.
Zum einen habe ich in der Eigenschaft "th:fielde" einen TippFehler. Zum zweiten geht es viel leichter:

HTML: 
<form action="#" th:action="@{/create-profile}" th:object="${profile}" method="post">
        ...
        
        
        <fieldset>
            <legend>Gender</legend>
            <input type="radio" id="male" th:field="*{gender}" th:value="Male" required>
            <label for="male">Male</label><br>
            
            <input type="radio" id="female" th:field="*{gender}" th:value="Female">
            <label for="female">Female</label><br>
        </fieldset>
        
        <button type="submit">Submit</button>
    </form>
Dabei muss man bedenken ich habe in meiner Enum kein direktes Value nur public enum {Male, Female} statt {Male("Male"), Female("Female")}
Man muss noch in der Entity die Enum Property anpassen:

Code: 
@Enumerated(EnumType.STRING)
private enum gender;
Die zusätzliche Konverter waren überflüssig
 

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