2020-07-12 11:10:00.859 INFO 12368 --- [      main] org.hibernate.Version          : HHH000412: Hibernate Core {5.2.17.Final}

2020-07-12 11:10:00.861 INFO 12368 --- [      main] org.hibernate.cfg.Environment      : HHH000206: hibernate.properties not found

2020-07-12 11:10:00.943 INFO 12368 --- [      main] o.hibernate.annotations.common.Version  : HCANN000001: Hibernate Commons Annotations {5.0.1.Final}

2020-07-12 11:10:01.076 INFO 12368 --- [      main] org.hibernate.dialect.Dialect      : HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect

2020-07-12 11:10:01.366 WARN 12368 --- [      main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

2020-07-12 11:10:01.366 INFO 12368 --- [      main] com.zaxxer.hikari.HikariDataSource    : HikariPool-1 - Shutdown initiated...

2020-07-12 11:10:01.373 INFO 12368 --- [      main] com.zaxxer.hikari.HikariDataSource    : HikariPool-1 - Shutdown completed.

2020-07-12 11:10:01.375 INFO 12368 --- [      main] o.apache.catalina.core.StandardService  : Stopping service [Tomcat]

2020-07-12 11:10:01.386 INFO 12368 --- [      main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2020-07-12 11:10:01.398 ERROR 12368 --- [      main] o.s.boot.SpringApplication        : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1708) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:581) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1089) ~[spring-context-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:859) ~[spring-context-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]

at net.sunofbeach.blog.BlogApplication.main(BlogApplication.java:18) ~[classes/:na]

Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:402) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:377) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1767) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1704) ~[spring-beans-5.0.7.RELEASE.jar:5.0.7.RELEASE]

... 16 common frames omitted

Caused by: org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister

at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:123) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:77) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.metamodel.internal.MetamodelImpl.initialize(MetamodelImpl.java:129) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:300) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:892) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:57) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:390) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]

... 20 common frames omitted

Caused by: org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:91) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:116) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:382) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:519) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:124) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:na]

at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:na]

at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:na]

at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[na:na]

at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:96) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

... 28 common frames omitted

Caused by: java.lang.reflect.InvocationTargetException: null

at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:na]

at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:na]

at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:na]

at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[na:na]

at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:88) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

... 37 common frames omitted

Caused by: java.lang.NullPointerException: null

at javassist.util.proxy.SecurityActions.setAccessible(SecurityActions.java:103) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.DefineClassHelper.toClass3(DefineClassHelper.java:151) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.DefineClassHelper.toClass2(DefineClassHelper.java:134) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.DefineClassHelper.toClass(DefineClassHelper.java:95) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:131) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.ProxyFactory.createClass3(ProxyFactory.java:530) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.ProxyFactory.createClass2(ProxyFactory.java:515) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.ProxyFactory.createClass1(ProxyFactory.java:451) ~[javassist-3.22.0-GA.jar:na]

at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:422) ~[javassist-3.22.0-GA.jar:na]

at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:75) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:162) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:156) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:58) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]

... 42 common frames omitted

Process finished with exit code 1

package net.sunofbeach.blog.pojo;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;

@Entity
@Table(name = "tb_user")
public class SobUser {
    @Id
    @Column(name = "id")
    private String id;

    @Column(name = "user_name")
    private String userName;

    @Column(name = "password")
    private String password;

    @Column(name = "roles")
    private String roles;

    @Column(name = "avatar")
    private String avatar;

    @Column(name = "email")
    private String email;

    @Column(name = "sign")
    private String sign;

    @Column(name = "state")
    private String state;

    @Column(name = "reg_ip")
    private String regIp;

    @Column(name = "login_ip")
    private String loginIp;

    @Column(name = "create_time")
    private Date createTime;

    @Column(name = "update_time")
    private Date updateTime;

    public String getId() {
        return id;
    }

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

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getRoles() {
        return roles;
    }

    public void setRoles(String roles) {
        this.roles = roles;
    }

    public String getAvatar() {
        return avatar;
    }

    public void setAvatar(String avatar) {
        this.avatar = avatar;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getSign() {
        return sign;
    }

    public void setSign(String sign) {
        this.sign = sign;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    public String getRegIp() {
        return regIp;
    }

    public void setRegIp(String regIp) {
        this.regIp = regIp;
    }

    public String getLoginIp() {
        return loginIp;
    }

    public void setLoginIp(String loginIp) {
        this.loginIp = loginIp;
    }

    public Date getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Date createTime) {
        this.createTime = createTime;
    }

    public Date getUpdateTime() {
        return updateTime;
    }

    public void setUpdateTime(Date updateTime) {
        this.updateTime = updateTime;
    }
}

package net.sunofbeach.blog.pojo;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table ( name ="tb_article" )
public class Article {

   @Id
   private String id;
   @Column(name = "title" )
   private String title;
   @Column(name = "user_id" )
   private String user_id;
   @Column(name = "category_id" )
   private String category_id;
   @Column(name = "content" )
   private String content;
   @Column(name = "type" )
   private String type;
   @Column(name = "state" )
   private String state;
   @Column(name = "summary" )
   private String summary;
   @Column(name = "labels" )
   private String labels;
   @Column(name = "view_count" )
   private long view_count;
   @Column(name = "create_time" )
   private java.sql.Timestamp create_time;
   @Column(name = "update_time" )
   private java.sql.Timestamp update_time;


   public String getId() {
      return id;
   }

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


   public String getTitle() {
      return title;
   }

   public void setTitle(String title) {
      this.title = title;
   }


   public String getUser_id() {
      return user_id;
   }

   public void setUser_id(String user_id) {
      this.user_id = user_id;
   }


   public String getCategory_id() {
      return category_id;
   }

   public void setCategory_id(String category_id) {
      this.category_id = category_id;
   }


   public String getContent() {
      return content;
   }

   public void setContent(String content) {
      this.content = content;
   }


   public String getType() {
      return type;
   }

   public void setType(String type) {
      this.type = type;
   }


   public String getState() {
      return state;
   }

   public void setState(String state) {
      this.state = state;
   }


   public String getSummary() {
      return summary;
   }

   public void setSummary(String summary) {
      this.summary = summary;
   }


   public String getLabels() {
      return labels;
   }

   public void setLabels(String labels) {
      this.labels = labels;
   }


   public long getView_count() {
      return view_count;
   }

   public void setView_count(long view_count) {
      this.view_count = view_count;
   }


   public java.sql.Timestamp getCreate_time() {
      return create_time;
   }

   public void setCreate_time(java.sql.Timestamp create_time) {
      this.create_time = create_time;
   }


   public java.sql.Timestamp getUpdate_time() {
      return update_time;
   }

   public void setUpdate_time(java.sql.Timestamp update_time) {
      this.update_time = update_time;
   }

}

你的实体bean写得有问题吧，Pojo包里的bean类。你可以贴出来看看。表名不要错咯，字段不要错了。可以连接上数据库测试一下。

那你现在的问题是啥？