java.lang.IllegalArgumentException : [state_id] 속성이 관리되는 유형에 존재하지 않습니다. [EntityTypeImpl @ 530144602 : Cities]

javaee에서 새로 생겼습니다. 최근에는 jax-rs를 사용하는 안정된 웹 서비스와 JPA를 사용하여 데이터베이스 작업 및 Netbeans을 IDE로 사용하고 TomeEE를 웹 서버로 사용하고 있습니다.java.lang.IllegalArgumentException : [state_id] 속성이 관리되는 유형에 존재하지 않습니다. [EntityTypeImpl @ 530144602 : Cities]

아이디, STATE_ID, 이름

(STATE_ID은 상태라고 다른 열을 외부 키로 정의된다)

: 내 문제에 대한

, 내가 3 열이 도시를 불렀다 테이블이 나는 테이블의 예를 들어, 특정 STATE_ID있는 모든 도시를 선택합니다

1000 행은 STATE_ID이 내 JPA 코드 8.

것을 존재합니다

public List<T> findByStateID(Short id){ 
     javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery(entityClass); 
     javax.persistence.criteria.Root<T> r = cq.from(entityClass); 
     cq.select(r); 
     cq.where(getEntityManager().getCriteriaBuilder().equal(r.get("state_id"), id)); 
     return getEntityManager().createQuery(cq).getResultList(); 
    }

이 웹 서비스 코드 :

@GET 
    @Path("State/{id}") 
    @Produces(MediaType.APPLICATION_JSON) 
    public List<Cities> findByState(@PathParam("id") Short id){ 
     return super.findByStateID(id); 
    }

내 문제는 내가 대상 URL에 액세스 할 때 나는 타격 오류 얻을 알고 : 여기

HTTP Status 500 - Error processing webservice request 

type Exception report 

message Error processing webservice request 

description The server encountered an internal error that prevented it from fulfilling this request. 

exception 

javax.servlet.ServletException: Error processing webservice request 
    org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:98) 
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) 
    org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 

root cause 

java.lang.IllegalArgumentException: The attribute [state_id] is not present in the managed type [[email protected]:Cities [ javaType: class entity.Cities descriptor: RelationalDescriptor(entity.Cities --> [DatabaseTable(cities)]), mappings: 4]]. 
    org.eclipse.persistence.internal.jpa.metamodel.ManagedTypeImpl.getAttribute(ManagedTypeImpl.java:148) 
    org.eclipse.persistence.internal.jpa.querydef.FromImpl.get(FromImpl.java:312) 
    rest.AbstractFacade.findByStateID(AbstractFacade.java:50) 
    rest.CitiesFacadeREST.findByState(CitiesFacadeREST.java:49) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.monitoring.StatsInterceptor.record(StatsInterceptor.java:181) 
    org.apache.openejb.monitoring.StatsInterceptor.invoke(StatsInterceptor.java:100) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:85) 
    org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:236) 
    org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:203) 
    org.apache.openejb.util.proxy.ProxyEJB$Handler.invoke(ProxyEJB.java:74) 
    rest.CitiesFacadeREST$$LocalBeanProxy.findByState(rest/CitiesFacadeREST.java) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.performInvocation(OpenEJBEJBInvoker.java:95) 
    org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:189) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.invoke(OpenEJBEJBInvoker.java:68) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:99) 
    org.apache.openejb.server.cxf.rs.AutoJAXRSInvoker.invoke(AutoJAXRSInvoker.java:64) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) 
    org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) 
    org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) 
    org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:254) 
    org.apache.openejb.server.cxf.rs.CxfRsHttpListener.doInvoke(CxfRsHttpListener.java:251) 
    org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:94) 
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) 
    org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 

note The full stack trace of the root cause is available in the Apache Tomcat (TomEE)/8.5.3 (7.0.1) logs. 
Apache Tomcat (TomEE)/8.5.3 (7.0.1)

을 Cities 엔터티 클래스 :

import java.io.Serializable; 
import java.util.Collection; 
import javax.persistence.Basic; 
import javax.persistence.CascadeType; 
import javax.persistence.Column; 
import javax.persistence.Entity; 
import javax.persistence.GeneratedValue; 
import javax.persistence.GenerationType; 
import javax.persistence.Id; 
import javax.persistence.JoinColumn; 
import javax.persistence.ManyToOne; 
import javax.persistence.NamedQueries; 
import javax.persistence.NamedQuery; 
import javax.persistence.OneToMany; 
import javax.persistence.Table; 
import javax.validation.constraints.NotNull; 
import javax.validation.constraints.Size; 
import javax.xml.bind.annotation.XmlRootElement; 
import javax.xml.bind.annotation.XmlTransient; 

/** 
* 
* @author seyed 
*/ 
@Entity 
@Table(name = "cities") 
@XmlRootElement 
@NamedQueries({ 
    @NamedQuery(name = "Cities.findAll", query = "SELECT c FROM Cities c"), 
    @NamedQuery(name = "Cities.findById", query = "SELECT c FROM Cities c WHERE c.id = :id"), 
    @NamedQuery(name = "Cities.findByName", query = "SELECT c FROM Cities c WHERE c.name = :name")}) 
public class Cities implements Serializable { 

    private static final long serialVersionUID = 1L; 
    @Id 
    @GeneratedValue(strategy = GenerationType.IDENTITY) 
    @Basic(optional = false) 
    @Column(name = "id") 
    private Short id; 
    @Basic(optional = false) 
    @NotNull 
    @Size(min = 1, max = 65) 
    @Column(name = "name") 
    private String name; 
    @JoinColumn(name = "state_id", referencedColumnName = "id") 
    @ManyToOne(optional = false) 
    private States stateId; 
    @OneToMany(cascade = CascadeType.ALL, mappedBy = "city") 
    private Collection<Users> usersCollection; 

    public Cities() { 
    } 

    public Cities(Short id) { 
     this.id = id; 
    } 

    public Cities(Short id, String name) { 
     this.id = id; 
     this.name = name; 
    } 

    public Short getId() { 
     return id; 
    } 

    public void setId(Short id) { 
     this.id = id; 
    } 

    public String getName() { 
     return name; 
    } 

    public void setName(String name) { 
     this.name = name; 
    } 

    public States getStateId() { 
     return stateId; 
    } 

    public void setStateId(States stateId) { 
     this.stateId = stateId; 
    } 

    @XmlTransient 
    public Collection<Users> getUsersCollection() { 
     return usersCollection; 
    } 

    public void setUsersCollection(Collection<Users> usersCollection) { 
     this.usersCollection = usersCollection; 
    } 

    @Override 
    public int hashCode() { 
     int hash = 0; 
     hash += (id != null ? id.hashCode() : 0); 
     return hash; 
    } 

    @Override 
    public boolean equals(Object object) { 
     // TODO: Warning - this method won't work in the case the id fields are not set 
     if (!(object instanceof Cities)) { 
      return false; 
     } 
     Cities other = (Cities) object; 
     if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) { 
      return false; 
     } 
     return true; 
    } 

    @Override 
    public String toString() { 
     return "entity.Cities[ id=" + id + " ]"; 
    } 

}

의견에 말했듯이

, 나는 JPA 부분에 stateId에 STATE_ID을 변경하고 지금은이 오류를 얻을 :

HTTP Status 500 - Error processing webservice request 

type Exception report 

message Error processing webservice request 

description The server encountered an internal error that prevented it from fulfilling this request. 

exception 

javax.servlet.ServletException: Error processing webservice request 
    org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:98) 
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) 
    org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 

root cause 

javax.persistence.PersistenceException: Exception [EclipseLink-6078] (Eclipse Persistence Services - 2.6.3.v20160428-59c81c5): org.eclipse.persistence.exceptions.QueryException 
Exception Description: The class of the argument for the object comparison is incorrect. 
Expression: [ 
Base entity.Cities] 
Mapping: [org.eclipse.persistence.mappings.ManyToOneMapping[stateId]] 
Argument: [1] 
Query: ReadAllQuery(referenceClass=Cities) 
    org.eclipse.persistence.internal.jpa.QueryImpl.getResultList(QueryImpl.java:484) 
    rest.AbstractFacade.findByStateID(AbstractFacade.java:51) 
    rest.CitiesFacadeREST.findByState(CitiesFacadeREST.java:49) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.monitoring.StatsInterceptor.record(StatsInterceptor.java:181) 
    org.apache.openejb.monitoring.StatsInterceptor.invoke(StatsInterceptor.java:100) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:85) 
    org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:236) 
    org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:203) 
    org.apache.openejb.util.proxy.ProxyEJB$Handler.invoke(ProxyEJB.java:74) 
    rest.CitiesFacadeREST$$LocalBeanProxy.findByState(rest/CitiesFacadeREST.java) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.performInvocation(OpenEJBEJBInvoker.java:95) 
    org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:189) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.invoke(OpenEJBEJBInvoker.java:68) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:99) 
    org.apache.openejb.server.cxf.rs.AutoJAXRSInvoker.invoke(AutoJAXRSInvoker.java:64) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) 
    org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) 
    org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) 
    org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:254) 
    org.apache.openejb.server.cxf.rs.CxfRsHttpListener.doInvoke(CxfRsHttpListener.java:251) 
    org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:94) 
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) 
    org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 

root cause 

Exception [EclipseLink-6078] (Eclipse Persistence Services - 2.6.3.v20160428-59c81c5): org.eclipse.persistence.exceptions.QueryException 
Exception Description: The class of the argument for the object comparison is incorrect. 
Expression: [ 
Base entity.Cities] 
Mapping: [org.eclipse.persistence.mappings.ManyToOneMapping[stateId]] 
Argument: [1] 
Query: ReadAllQuery(referenceClass=Cities) 
    org.eclipse.persistence.exceptions.QueryException.incorrectClassForObjectComparison(QueryException.java:601) 
    org.eclipse.persistence.mappings.OneToOneMapping.buildObjectJoinExpression(OneToOneMapping.java:298) 
    org.eclipse.persistence.internal.expressions.RelationExpression.normalize(RelationExpression.java:830) 
    org.eclipse.persistence.internal.expressions.SQLSelectStatement.normalize(SQLSelectStatement.java:1474) 
    org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.buildNormalSelectStatement(ExpressionQueryMechanism.java:550) 
    org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.prepareSelectAllRows(ExpressionQueryMechanism.java:1722) 
    org.eclipse.persistence.queries.ReadAllQuery.prepareSelectAllRows(ReadAllQuery.java:885) 
    org.eclipse.persistence.queries.ReadAllQuery.prepare(ReadAllQuery.java:816) 
    org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(DatabaseQuery.java:666) 
    org.eclipse.persistence.queries.ObjectLevelReadQuery.checkPrepare(ObjectLevelReadQuery.java:911) 
    org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(DatabaseQuery.java:615) 
    org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:872) 
    org.eclipse.persistence.queries.ObjectLevelReadQuery.execute(ObjectLevelReadQuery.java:1134) 
    org.eclipse.persistence.queries.ReadAllQuery.execute(ReadAllQuery.java:460) 
    org.eclipse.persistence.queries.ObjectLevelReadQuery.executeInUnitOfWork(ObjectLevelReadQuery.java:1222) 
    org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.internalExecuteQuery(UnitOfWorkImpl.java:2896) 
    org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1857) 
    org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1839) 
    org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1804) 
    org.eclipse.persistence.internal.jpa.QueryImpl.executeReadQuery(QueryImpl.java:258) 
    org.eclipse.persistence.internal.jpa.QueryImpl.getResultList(QueryImpl.java:473) 
    rest.AbstractFacade.findByStateID(AbstractFacade.java:51) 
    rest.CitiesFacadeREST.findByState(CitiesFacadeREST.java:49) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.monitoring.StatsInterceptor.record(StatsInterceptor.java:181) 
    org.apache.openejb.monitoring.StatsInterceptor.invoke(StatsInterceptor.java:100) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) 
    org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) 
    org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:85) 
    org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:236) 
    org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:203) 
    org.apache.openejb.util.proxy.ProxyEJB$Handler.invoke(ProxyEJB.java:74) 
    rest.CitiesFacadeREST$$LocalBeanProxy.findByState(rest/CitiesFacadeREST.java) 
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    java.lang.reflect.Method.invoke(Method.java:498) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.performInvocation(OpenEJBEJBInvoker.java:95) 
    org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:189) 
    org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.invoke(OpenEJBEJBInvoker.java:68) 
    org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:99) 
    org.apache.openejb.server.cxf.rs.AutoJAXRSInvoker.invoke(AutoJAXRSInvoker.java:64) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) 
    org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) 
    org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) 
    org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) 
    org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:254) 
    org.apache.openejb.server.cxf.rs.CxfRsHttpListener.doInvoke(CxfRsHttpListener.java:251) 
    org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:94) 
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) 
    org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 

note The full stack trace of the root cause is available in the Apache Tomcat (TomEE)/8.5.3 (7.0.1) logs. 
Apache Tomcat (TomEE)/8.5.3 (7.0.1)

출처

2016-09-28 Seyed Ali Roshan

equal(r.get("stateId"), id));에 표시 클래스'entity.Cities'을 변경해야합니다. 나는 클래스의 재산이'stateId'라고 생각하니? – Jens

나는이 문제에 대해 새로운 사람이라고 말했고 아마도 당신의 권리 일 수도 있습니다. 도시 엔티티 클래스 –

질의가 기본 자바 이름으로 사용합니다. 의심스러운 경우 jpa 메타 모델 생성기를 설정할 수 있으며 문자열 대신 특성의 입력 된 버전을 사용할 수 있습니다.

출처

2016-09-28 08:32:38

을 argbe (emf 및 utx)로하려는 netbeans와 함께 JPA를 생성 할 때 jax에이 jax-rs 웹 서비스 파일을 전달하는 방법을 모르겠습니다. @GET .... 부분부터 –

왜냐하면 jpa/hibernate는 private States state_Id 대신 private States stateId을 사용해야하는 propertynames를 사용하고 열 이름을 사용하지 않기 때문입니다.

그래서 당신은 equal(r.get("state_id"), id)) `

출처

2016-09-28 08:56:50 Jens

나는 당신이 말한대로했지만 두 번째 오류가 발생했습니다 –

그것은 관계의 defenition에있는 문제처럼 보입니다 : @ManyToOne (optional = false) private states stateId; – Jens

더 설명 할 수 있습니까? –

java.lang.IllegalArgumentException : [state_id] 속성이 관리되는 유형에 존재하지 않습니다. [EntityTypeImpl @ 530144602 : Cities]

답변

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