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[英]Feign Client, Spring Boot Application, and rx/Observable Class Not Found Error
[英]Getting Class not Found Exception error in spring boot application
Authority.java
package com.easkart.domain.security;
import org.springframework.security.core.GrantedAuthority;
public class Authority implements GrantedAuthority {
/**
*
*/
private static final long serialVersionUID = 5888173406859788817L;
private final String authority;
public Authority(String authority) {
this.authority = authority;
}
@Override
public String getAuthority() {
return authority;
}
}
角色.java
package com.easkart.domain.security;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
@Entity
public class Role {
@Id
private int roleId;
private String name;
@OneToMany(mappedBy = "role", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private Set<UserRole> userRoles = new HashSet<>();
public int getRoleId() {
return roleId;
}
public void setRoleId(int roleId) {
this.roleId = roleId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Set<UserRole> getUserRoles() {
return userRoles;
}
public void setUserRoles(Set<UserRole> userRoles) {
this.userRoles = userRoles;
}
}
UserRole.java
package com.easkart.domain.security;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import com.easkart.domain.User;
@Entity
@Table(name = "user_role")
public class UserRole {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long userRoleId;
@ManyToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "user_id")
private User user;
@ManyToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "role_id")
private Role role;
public UserRole(User user, Role role) {
this.user = user;
this.role = role;
}
public long getUserRoleId() {
return userRoleId;
}
public void setUserRoleId(long userRoleId) {
this.userRoleId = userRoleId;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public Role getRole() {
return role;
}
public void setRole(Role role) {
this.role = role;
}
}
User.java
package com.easkart.domain;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import com.easkart.domain.security.Authority;
import com.easkart.domain.security.UserRole;
import com.fasterxml.jackson.annotation.JsonIgnore;
@Entity
public class User implements UserDetails {
/**
*
*/
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "id", nullable = false, updatable = false)
private long userId;
private String fullName;
@Column(name = "email", nullable = false, updatable = false)
private String email;
@Column(name = "phone", nullable = false, updatable = false)
private String phone;
private boolean enabled = true;
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
@JsonIgnore
private Set<UserRole> userRoles = new HashSet<>();
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public String getFullName() {
return fullName;
}
public void setFullName(String fullName) {
this.fullName = fullName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public Set<UserRole> getUserRoles() {
return userRoles;
}
public void setUserRoles(Set<UserRole> userRoles) {
this.userRoles = userRoles;
}
@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
Set<GrantedAuthority> grantedAuhority = new HashSet<>();
for (UserRole userRole : userRoles) {
grantedAuhority.add(new Authority(userRole.getRole().getName()));
}
return grantedAuhority;
}
@Override
public String getPassword() {
// TODO Auto-generated method stub
return null;
}
@Override
public String getUsername() {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean isAccountNonExpired() {
// TODO Auto-generated method stub
return true;
}
@Override
public boolean isAccountNonLocked() {
// TODO Auto-generated method stub
return true;
}
@Override
public boolean isCredentialsNonExpired() {
// TODO Auto-generated method stub
return true;
}
@Override
public boolean isEnabled() {
// TODO Auto-generated method stub
return enabled;
}
}
当我将此代码作为Spring启动应用程序运行时; 我低于例外
2018-11-05 22:21:35.643错误5136 --- [main] osboot.SpringApplication:应用程序运行失败org.springframework.beans.factory.BeanCreationException:创建类路径资源[org]中定义的名称为'entityManagerFactory'的bean时出错/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]:调用init方法失败; 嵌套的异常是org.hibernate.boot.registry.classloading.spi.ClassLoadingException:无法在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1745处加载类[com.easkart.domain.User] )〜[spring-beans-5.1.2.RELEASE.jar:5.1.2.RELEASE]在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576)〜[spring-beans-5.1。 2.RELEASE.jar:5.1.2.RELEASE],位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498)〜[spring-beans-5.1.2.RELEASE.jar:5.1.2 [RELEASE],位于组织org.springframework.beans.factory.support.AbstractBeanFactory.lambda $ doGetBean $ 0(AbstractBeanFactory.java:320)〜[spring-beans-5.1.2.RELEASE.jar:5.1.2.RELEASE]。 springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)〜[spring-beans-5.1 .2.RELEASE.jar:5.1.2.RELEASE]位于org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)〜[spring-beans-5.1.2.RELEASE.jar:5.1。 [RELEASE]在org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)〜[spring-beans-5.1.2.RELEASE.jar:5.1.2.RELEASE]中。 context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1083)〜[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]在org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java :853)〜[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]在org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)〜[spring-context-5.1。 [RELEASE.jar:5.1.2.RELEASE]位于org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)〜[spring-boot-2.1.0.RE 在org.springframework.boot.Spring.SpringApplication.refresh(SpringApplication.java:775)的LEASE.jar:2.1.0.RELEASE](在org.springframework的[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]] .boot.SpringApplication.refreshContext(SpringApplication.java:397)[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]在org.springframework.boot.SpringApplication.run(SpringApplication.java:316)[ org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)上的spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE] [spring-boot-2.1.0.RELEASE.jar:2.1。 0.RELEASE]在org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]在com.easkart.EaskartApplication.main(EaskartApplication .java:10)[classes /:na]原因:org.hibernate.boot.registry.classloading.spi.ClassLoadingException:无法在org.hibernate.boot.registry加载类[com.easkart.domain.User]。 classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:354)〜[hiberna te-core-5.3.7.Final.jar:5.3.7.Final]位于org.hibernate.boot.model.source.internal.annotations.AnnotationMetadataSourceProcessorImpl。(AnnotationMetadataSourceProcessorImpl.java:105)〜[hibernate-core-5.3。 7.Final.jar:5.3.7.Final。位于org.hibernate.boot.model.process.spi.MetadataBuildingProcess $ 1。((MetadataBuildingProcess.java:156)~[hibernate-core-5.3.7.Final.jar:5.3 .7.final]在org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:150)〜[hibernate-core-5.3.7.Final.jar:5.3.7.Final]在org.org .hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:904)〜[hibernate-core-5.3.7.Final.jar:5.3.7.Final]位于org.hibernate.jpa.boot.internal。 EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:935)〜[hibernate-core-5.3.7.Final.jar:5.3.7.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider .java:57)〜[spring-orm-5.1.2.RELEASE.jar:5.1.2.RELEASE]在org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365)〜[spring-orm- 5.1.2.RELEASE.jar:5.1.2.RELEASE],位于org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:390)〜[spring-orm-5.1.2.RELEASE.jar:5.1.2 [RELEASE],位于org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:377)〜[spring-orm-5.1.2.RELEASE.jar:5.1.2.RELEASE],位于org.springframework.orm.jpa .LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341)〜[spring-orm-5.1.2.RELEASE.jar:5.1.2.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java: 1804)〜[spring-beans-5.1.2.RELEASE.jar:5.1.2.RELEASE]在org.spring framework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1741)〜[spring-beans-5.1.2.RELEASE.jar:5.1.2.RELEASE] ...省略了16个常见框架造成原因:java。 lang.ClassNotFoundException:无法加载所请求的类:org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl $ AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:342)上的com.easkart.domain.User〜[hibernate-core-5.3。 7.Final.jar:5.3.7.Final,位于java.lang.ClassLoader.loadClass(未知源)〜[na:1.8.0_151],位于java.lang.ClassLoader.loadClass(未知源)〜[na:1.8。 0_151]在java.lang.Class.forName0(本机方法)〜[na:1.8.0_151]在java.lang.Class.forName(未知来源)〜[na:1.8.0_151]在org.hibernate.boot.registry .classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:351)〜[hibernate-core-5.3.7.Final.jar:5.3.7.Final] ...省略了28个常见框架
请帮帮我。
将您的Main,移到根包。 这样您的结构看起来像以下内容。
src/main/java
-> EaskantApplication (which I guess is the Main class)
-> All other packages
通常,当Main类不在根目录中时,它往往无法找到需要的资源。
将EaskartApplication.java移动到新包,例如com.easkart.app
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