我从spring.io生成springboot项目，并从spring.io添加一个Web服务和jpa，我使用intellij 13，我的数据库是db2，但是在运行应用程序时出现此错误 请帮我 [在此处输入图片描述] [1]
详细错误在下面给出
2019-12-01 10:59:47.784 INFO 4308 --- [ main] c.e.connectdb.ConnectdbApplication : Starting ConnectdbApplication on hosseini-PC with PID 4308 (D:\springboot-samples\connectdb2\connectdb\connectdb\target\classes started by hosseini in D:\springboot-samples\connectdb2\connectdb\connectdb)
2019-12-01 10:59:47.787 INFO 4308 --- [ main] c.e.connectdb.ConnectdbApplication : No active profile set, falling back to default profiles: default
2019-12-01 10:59:48.645 INFO 4308 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-12-01 10:59:48.718 INFO 4308 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 63ms. Found 1 repository interfaces.
2019-12-01 10:59:49.176 INFO 4308 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$4d6e2ad5] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-12-01 10:59:49.610 INFO 4308 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2019-12-01 10:59:49.654 INFO 4308 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-12-01 10:59:49.655 INFO 4308 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.27]
2019-12-01 10:59:49.813 INFO 4308 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-12-01 10:59:49.814 INFO 4308 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1965 ms
2019-12-01 10:59:50.001 INFO 4308 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2019-12-01 10:59:50.155 WARN 4308 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
2019-12-01 10:59:50.159 INFO 4308 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-12-01 10:59:50.169 INFO 4308 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-12-01 10:59:50.175 ERROR 4308 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1105) ~[spring-context-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [spring-boot-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at com.example.connectdb.ConnectdbApplication.main(ConnectdbApplication.java:10) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) [idea_rt.jar:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1255) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1175) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
... 24 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:456) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1255) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1175) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
... 38 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
... 52 common frames omitted
Caused by: java.lang.NoClassDefFoundError: sun/io/ByteToCharConverter
at hit.db2sql.k.<init>(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.j.b(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.j.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.z.c(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.z.d(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.y.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.y.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.c.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.c.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.c.a(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.c.<init>(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2.Db2Driver.newConnection(DashoA8514) ~[hitjdbcdb2.jar:na]
at hit.db2sql.b.connect(DashoA8514) ~[hitjdbcdb2.jar:na]
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:136) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:369) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:198) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:467) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:541) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-3.2.0.jar:na]
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:158) ~[spring-jdbc-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:116) ~[spring-jdbc-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79) ~[spring-jdbc-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:320) ~[spring-jdbc-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:357) ~[spring-jdbc-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.DatabaseLookup.getDatabase(DatabaseLookup.java:73) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.JpaProperties.determineDatabase(JpaProperties.java:142) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.jpaVendorAdapter(JpaBaseConfiguration.java:113) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$6c44ed44.CGLIB$jpaVendorAdapter$4(<generated>) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$6c44ed44$$FastClassBySpringCGLIB$$38afa4bb.invoke(<generated>) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.11.RELEASE.jar:5.1.11.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$6c44ed44.jpaVendorAdapter(<generated>) ~[spring-boot-autoconfigure-2.1.10.RELEASE.jar:2.1.10.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.11.RELEASE.jar:5.1.11.RELEASE]
... 53 common frames omitted
Caused by: java.lang.ClassNotFoundException: sun.io.ByteToCharConverter
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_202]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_202]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_202]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_202]
... 91 common frames omitted
[1]: https://i.stack.imgur.com/Atagi.png
application.property：
spring.jpa.hibernate.ddl-auto=none
spring.datasource.url=jdbc:db2://0.0.0.0:0000/sample
spring.datasource.username=xx
spring.datasource.password=xx
spring.datasource.driver-class-name=hit.db2.Db2Driver
行家
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.10.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>connectdb</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>connectdb</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>hit.db2.db2Driver</groupId>
<artifactId>hitlicense</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>hit.db2.db2Driver</groupId>
<artifactId>hitjdbcdb2</artifactId>
<version>1.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
实体
@Entity
@Table(name = "users")
public class Users {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(name = "NAME")
private String name;
@Column(name = "ADDRESS")
private String address;
@Column(name = "LEVEL")
private String level;
@Column(name = "PASSWORD")
private String password;
@Column(name = "PERSONEL_ID")
private String personelId;
@Column(name = "STATUS")
private String status;
@Column(name = "TEL")
private String tel;
@Column(name = "USERNAME")
private String username;
@Column(name = "CODE")
private String code;
@Column(name = "LASTNAME")
private String lastname;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getLevel() {
return level;
}
public void setLevel(String level) {
this.level = level;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getPersonelId() {
return personelId;
}
public void setPersonelId(String personelId) {
this.personelId = personelId;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getTel() {
return tel;
}
public void setTel(String tel) {
this.tel = tel;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
}
存储库
public interface UserRepository extends CrudRepository<Users,Long>{
}
控制器
@Controller
@RequestMapping(path="/")
public class UserController {
@Autowired
private UserRepository userRepository;
@GetMapping(path = "/a")
public @ResponseBody Iterable<Users> get()
{
return userRepository.findAll();
}
}
答案 0 :(得分：0)
默认情况下，spring-boot使用PropertiesFactoryBean从classpath中的application.properties加载属性。 如果您使用“ application.property”，它将无法“查看” JPA的数据库设置