小贝子编程

err:mappedby引用未知目标实体属性:



我不知道我实际上是在哪里，有人可以帮助摆脱此错误。

@Entity
@Table(name="nifty", catalog="portfolio")
@JsonIdentityInfo(generator=ObjectIdGenerators.PropertyGenerator.class, property="id",scope=NiftyDTO.class)
@JsonIgnoreProperties({"latestData","data"})
public class NiftyDTO implements Serializable {
private static final long serialVersionUID = 1L;

@Id
@Column(name="niftyid")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;

@Column(name="time")
private String time;
@Column(name="trdVolumesumMil")
private String trdVolumesumMil;
@Column(name="declines")
private int declines;
@Column(name="trdValueSum")
private String trdValueSum;
@Column(name="trdValueSumMil")
private String trdValueSumMil;
@Column(name="unchanged")
private int unchanged;
@Column(name="trdVolumesum")
private String trdVolumesum;
@Column(name="advances")
private int advances;



public Long getId() {
    return id;
}
public void setId(Long id) {
    this.id = id;
}
public String getTime() {
    return time;
}
public void setTime(String time) {
    this.time = time;
}
public String getTrdVolumesumMil() {
    return trdVolumesumMil;
}
public void setTrdVolumesumMil(String trdVolumesumMil) {
    this.trdVolumesumMil = trdVolumesumMil;
}
public int getDeclines() {
    return declines;
}
public void setDeclines(int declines) {
    this.declines = declines;
}
public String getTrdValueSum() {
    return trdValueSum;
}
public void setTrdValueSum(String trdValueSum) {
    this.trdValueSum = trdValueSum;
}
public String getTrdValueSumMil() {
    return trdValueSumMil;
}
public void setTrdValueSumMil(String trdValueSumMil) {
    this.trdValueSumMil = trdValueSumMil;
}
public int getUnchanged() {
    return unchanged;
}
public void setUnchanged(int unchanged) {
    this.unchanged = unchanged;
}
public String getTrdVolumesum() {
    return trdVolumesum;
}
public void setTrdVolumesum(String trdVolumesum) {
    this.trdVolumesum = trdVolumesum;
}
public int getAdvances() {
    return advances;
}
public void setAdvances(int advances) {
    this.advances = advances;
}
public NiftyDTO() {
    super();
}
@OneToMany(mappedBy = "nifty", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private Set<NiftyDataDTO> niftyDataDTO;
public Set<NiftyDataDTO> getNiftyDataDTO() {
    return niftyDataDTO;
}
public void setNiftyDataDTO(Set<NiftyDataDTO> niftyDataDTO) {
    this.niftyDataDTO = niftyDataDTO;
}
public NiftyDTO(Long id, String trdVolumesumMil, String time, int declines, String trdValueSum, String trdValueSumMil, int unchanged, String trdVolumesum, int advances, Set<NiftyDataDTO> niftyDatumDTOS) {
    this.id = id;
    this.trdVolumesumMil = trdVolumesumMil;
    this.time = time;
    this.declines = declines;
    this.trdValueSum = trdValueSum;
    this.trdValueSumMil = trdValueSumMil;
    this.unchanged = unchanged;
    this.trdVolumesum = trdVolumesum;
    this.advances = advances;
    this.niftyDataDTO = niftyDataDTO;
}

}

这是我的另一个类

@Entity
@Table(name="NiftyDataDTO", catalog="portfolio")
@JsonIdentityInfo(generator=ObjectIdGenerators.PropertyGenerator.class, property="id", scope=NiftyDataDTO.class)

 @JsonIgnoreProperties({"ptsC","per","trdVol","trdVolM","ntP","mVal","wkhi","wklo","wkhicm_adj","wklocm_adj","xDt","cAct","previousClose","dayEndClose","yPC","mPC"})
public class NiftyDataDTO implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column(name = "dataId")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name="symbol", nullable = false)
private String symbol;
@Column(name="open")
private float open;
@Column(name="high")
private float high;
@Column(name="low")
private float low;
@Column(name = "itp")
private float itp;
@XmlTransient
@ManyToOne(optional = true ,fetch = FetchType.LAZY)
@JoinColumn(name = "niftyid", referencedColumnName = "niftyid")
private NiftyDTO niftyDTO;
@JsonIgnore
public NiftyDTO getNiftyDTO() { return niftyDTO;}
public NiftyDataDTO(Long id, String symbol, float open, float high, float low, float itp, NiftyDTO niftyDTO) {
    super();
    this.id = id;
    this.symbol = symbol;
    this.open = open;
    this.high = high;
    this.low = low;
    this.itp = itp;
    this.niftyDTO = niftyDTO;
}

//Getter And Setter

public Long getId() {
    return id;
}
public void setId(Long id) {
    this.id = id;
}
public String getSymbol() {
    return symbol;
}
public void setSymbol(String symbol) {
    this.symbol = symbol;
}
public float getOpen() {
    return open;
}
public void setOpen(float open) {
    this.open = open;
}
public float getHigh() {
    return high;
}
public void setHigh(float high) {
    this.high = high;
}
public float getLow() {
    return low;
}
public void setLow(float low) {
    this.low = low;
}
public float getItp() {
    return itp;
}
public void setItp(float itp) {
    this.itp = itp;
}
public void setNiftyDTO(NiftyDTO niftyDTO) {
    this.niftyDTO = niftyDTO;
}
public NiftyDataDTO() {
    super();
    // TODO Auto-generated constructor stub
}



}

堆栈跟踪：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1582) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1054) ~[spring-context-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:829) ~[spring-context-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) ~[spring-context-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) ~[spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:760) [spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:360) [spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:306) [spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.3.8.RELEASE.jar:1.3.8.RELEASE]
at com.socgen.portfolio.PMSApplication.main(PMSApplication.java:17) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_92]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_92]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_92]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_92]
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147) [idea_rt.jar:na]
    Caused by: javax.persistence.PersistenceException: [PersistenceUnit: 
    default] Unable to build Hibernate SessionFactory
atorg.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:1249) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.access$600(EntityManagerFactoryBuilderImpl.java:120) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:860) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60) ~[spring-orm-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:340) ~[spring-orm-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:319) ~[spring-orm-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1641) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1578) ~[spring-beans-4.2.8.RELEASE.jar:4.2.8.RELEASE]
... 21 common frames omitted
Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown 
target entity property: com.socgen.portfolio.domain.NiftyDataDTO.nifty in com.socgen.portfolio.domain.NiftyDTO.niftyDataDTO
at org.hibernate.cfg.annotations.CollectionBinder.bindStarToManySecondPass(CollectionBinder.java:769) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.cfg.annotations.CollectionBinder$1.secondPass(CollectionBinder.java:729) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:70) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.cfg.Configuration.originalSecondPassCompile(Configuration.java:1697) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1426) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1846) ~[hibernate-core-4.3.11.Final.jar:4.3.11.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]
... 29 common frames omitted
2017-06-08 14:38:03.305  WARN 142244 --- [           main] o.s.boot.SpringApplication               : Error handling failed (Error creating bean with name 'delegatingApplicationListener' defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration': Initialization of bean failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importRegistry' is defined)
Process finished with exit code 1

mappedby必须具有一个有效的属性名称为值：

@OneToMany(mappedBy = "niftyDTO", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private Set<NiftyDataDTO> niftyDataDTO;

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