我正在尝试创建简单的Rest项目。生成Post请求时出现错误:
HTTP/1.1 500
Content-Type: application/json
Transfer-Encoding: chunked
Date: Sun, 19 Jun 2022 14:33:09 GMT
Connection: close
{
"timestamp": "2022-06-19T14:33:09.368+00:00",
"status": 500,
"error": "Internal Server Error",
"trace": "org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement\r\n\tat org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:276)\r\n\tat org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:233)\r\n\tat org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:551)\r\n\tat org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)\r\n\tat org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242)\r\n\tat org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:174)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)\r\n\tat jdk.proxy4/jdk.proxy4.$Proxy103.save(Unknown Source)\r\n\tat com.example.service.StoreService.addStore(StoreService.java:19)\r\n\tat com.example.controller.StoreController.addStore(StoreController.java:20)\r\n\tat java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)\r\n\tat java.base/java.lang.reflect.Method.invoke(Method.java:577)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)\r\n\tat org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)\r\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)\r\n\tat org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:681)\r\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:764)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)\r\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)\r\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)\r\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)\r\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)\r\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)\r\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)\r\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)\r\n\tat org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)\r\n\tat org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)\r\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890)\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)\r\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\r\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)\r\n\tat org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)\r\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\r\n\tat java.base/java.lang.Thread.run(Thread.java:833)\r\nCaused by: org.hibernate.exception.ConstraintViolationException: could not execute statement\r\n\tat org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:109)\r\n\tat org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:37)\r\n\tat org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)\r\n\tat org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)\r\n\tat org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:200)\r\n\tat org.hibernate.dialect.identity.GetGeneratedKeysDelegate.executeAndExtract(GetGeneratedKeysDelegate.java:58)\r\n\tat org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:43)\r\n\tat org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3279)\r\n\tat org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3885)\r\n\tat org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:84)\r\n\tat org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:645)\r\n\tat org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:282)\r\n\tat org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:263)\r\n\tat org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:317)\r\n\tat org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:330)\r\n\tat org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:287)\r\n\tat org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:193)\r\n\tat org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:123)\r\n\tat org.hibernate.event.internal.DefaultMergeEventListener.saveTransientEntity(DefaultMergeEventListener.java:271)\r\n\tat org.hibernate.event.internal.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:243)\r\n\tat org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:318)\r\n\tat org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:172)\r\n\tat org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:70)\r\n\tat org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:107)\r\n\tat org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:829)\r\n\tat org.hibernate.internal.SessionImpl.merge(SessionImpl.java:816)\r\n\tat java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)\r\n\tat java.base/java.lang.reflect.Method.invoke(Method.java:577)\r\n\tat org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:362)\r\n\tat jdk.proxy4/jdk.proxy4.$Proxy99.merge(Unknown Source)\r\n\tat java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)\r\n\tat java.base/java.lang.reflect.Method.invoke(Method.java:577)\r\n\tat org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:311)\r\n\tat jdk.proxy4/jdk.proxy4.$Proxy99.merge(Unknown Source)\r\n\tat org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:650)\r\n\tat java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)\r\n\tat java.base/java.lang.reflect.Method.invoke(Method.java:577)\r\n\tat org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:289)\r\n\tat org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:137)\r\n\tat org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:121)\r\n\tat org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:529)\r\n\tat org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:285)\r\n\tat org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:639)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:163)\r\n\tat org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:138)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)\r\n\tat org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\r\n\tat org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)\r\n\t... 57 more\r\nCaused by: org.postgresql.util.PSQLException: ОШИБКА: значение NULL в столбце \"id\" отношения \"store\" нарушает ограничение NOT NULL\n Подробности: Ошибочная строка содержит (null, null, Moscow).\r\n\tat org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2675)\r\n\tat org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2365)\r\n\tat org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:355)\r\n\tat org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:490)\r\n\tat org.postgresql.jdbc.PgStatement.execute(PgStatement.java:408)\r\n\tat org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:167)\r\n\tat org.postgresql.jdbc.PgPreparedStatement.executeUpdate(PgPreparedStatement.java:135)\r\n\tat com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61)\r\n\tat com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java)\r\n\tat org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:197)\r\n\t... 106 more\r\n",
"message": "could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement",
"path": "/api/addStore"
}
Response code: 500; Time: 46ms; Content length: 14227 bytes
店铺实体:
@Entity
@Table(name = "store")
public class Store {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id", nullable = false)
protected Integer id;
@Column(name = "store_name")
private String storeName;
@Column(name = "address")
private String address;
public Store() {
}
public Store(Integer id, String storeName, String address) {
this.id = id;
this.storeName = storeName;
this.address = address;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getStoreName() {
return storeName;
}
public void setStoreName(String storeName) {
this.storeName = storeName;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Store store = (Store) o;
return id.equals(store.id) && storeName.equals(store.storeName) && address.equals(store.address);
}
@Override
public int hashCode() {
return Objects.hash(id, storeName, address);
}
@Override
public String toString() {
return "Store{" +
"id=" + id +
", storeName='" + storeName + '\'' +
", address='" + address + '\'' +
'}';
}
}
门店服务:
@Service
public class StoreService implements IService {
@Autowired
private StoreRepository storeRepository;
@Override
public void addStore(Store store) {
storeRepository.save(store);
}
@Override
public List<Store> saveStores(List<Store> stores) {
return storeRepository.saveAll(stores);
}
@Override
public List<Store> getStores() {
return storeRepository.findAll();
}
@Override
public Store getStoreById(int id) {
return storeRepository.findById(id).orElse(null);
}
@Override
public Store getStoreByName(String name) {
return storeRepository.findByStoreName(name);
}
public String deleteStore(int id) {
storeRepository.deleteById(id);
return "Store removed !! " + id;
}
@Override
public Store updateStore(Store Store) {
Store existingStore = storeRepository.findById(Store.getId()).orElse(null);
existingStore.setStoreName(Store.getStoreName());
existingStore.setAddress(Store.getAddress());
return storeRepository.save(existingStore);
}
}
存储控制器:
@RestController
@RequestMapping("/api")
public class StoreController {
@Autowired
private StoreService storeService;
@PostMapping("/addStore")
public void addStore(@RequestBody Store store) {
storeService.addStore(store);
}
@PostMapping("/addStores")
public List<Store> addStores(@RequestBody List<Store> Stores) {
return storeService.saveStores(Stores);
}
@GetMapping("/stores")
public List<Store> findAllStores() {
return storeService.getStores();
}
@GetMapping("/storeById/{id}")
public Store findStoreById(@PathVariable int id) {
return storeService.getStoreById(id);
}
@GetMapping("/store/{name}")
public Store findStoreByName(@PathVariable String name) {
return storeService.getStoreByName(name);
}
@PutMapping("/update")
public Store updateStore(@RequestBody Store Store) {
return storeService.updateStore(Store);
}
@DeleteMapping("/delete/{id}")
public String deleteStore(@PathVariable int id) {
return storeService.deleteStore(id);
}
}
application.properties:
# ===============================
# DATABASE
# ===============================
spring.datasource.driver-class-name=org.postgresql.Driver
spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
spring.datasource.username=postgres
spring.datasource.password=1234
# ===============================
# JPA / HIBERNATE
# ===============================
spring.jpa.show-sql=true
spring.jpa.open-in-view = true
spring.jpa.hibernate.ddl-auto = update
spring.jpa.database=postgresql
#spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect
#spring.jpa.properties.hibernate.current_session_context_class=org.springframework.orm.hibernate5.SpringSessionContext
# ===============================
# LIQUIBASE
# ===============================
spring.liquibase.change-log =classpath:/db/changelog/db.changelog-master.xml
spring.liquibase.enabled = false
其他HTTP请求(GET
,UPDATE
,DELETE
)工作正常。例如,当我尝试使用POST
时,出现错误:
POST http://localhost:8080/api/addStore
Content-Type: application/json
{
"id" : 2,
"store_name" : "Store 2",
"address" : "Moscow"
}
1条答案
按热度按时间jmo0nnb31#
我也得到这个问题了。我改变了生成的类型标识为自动或序列。解决了问题。但这没有自动给予一个随机的id