我已经使用jhipster成功地按以下顺序创建了下面的嵌套实体，但在应用程序启动时我得到了db表生成错误。不确定错误是否有意义，因为这里发布的时间太长。我将尝试再次重新生成并查看是否发生了相同的错误并将对其进行评论。感谢。
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org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire method: public void org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.setFilterChainProxySecurityConfigurer(org.springframework.security.config.annotation.ObjectPostProcessor,java.util.List) throws java.lang.Exception; nested exception is org.springframework.beans.factory.BeanExpressionException: Expression parsing failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'securityConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.security.core.userdetails.UserDetailsService com.mycompany.myapp.config.SecurityConfiguration.userDetailsService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.mycompany.myapp.repository.UserRepository com.mycompany.myapp.security.UserDetailsService.userRepository; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Cannot create inner bean '(inner bean)#1e619ac' of type [org.springframework.orm.jpa.SharedEntityManagerCreator] while setting bean property 'entityManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#1e619ac': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is 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.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.4.RELEASE.jar:4.2.4.RELEASE]
......
2016-01-08 22:43:57.530 WARN 684 --- [del1-Executor-1] liquibase : Failed to restore the auto commit to true
2016-01-08 22:43:57.532 ERROR 684 --- [del1-Executor-1] c.m.m.c.liquibase.AsyncSpringLiquibase : Liquibase could not start correctly, your database is NOT ready: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
liquibase.exception.DatabaseException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
at liquibase.database.jvm.JdbcConnection.setAutoCommit(JdbcConnection.java:363) ~[liquibase-core-3.4.2.jar:na]
at liquibase.database.AbstractJdbcDatabase.close(AbstractJdbcDatabase.java:1176) ~[liquibase-core-3.4.2.jar:na]
at liquibase.integration.spring.SpringLiquibase.afterPropertiesSet(SpringLiquibase.java:400) ~[liquibase-core-3.4.2.jar:na]
at com.mycompany.myapp.config.liquibase.AsyncSpringLiquibase.initDb(AsyncSpringLiquibase.java:63) ~[classes/:na]
at com.mycompany.myapp.config.liquibase.AsyncSpringLiquibase.lambda$afterPropertiesSet$23(AsyncSpringLiquibase.java:49) ~[classes/:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_65]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_65]
at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_65]
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_65]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_65]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_65]
at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[na:1.8.0_65]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.Util.getInstance(Util.java:387) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4833) ~[mysql-connector-java-5.1.38.jar:5.1.38]
at com.zaxxer.hikari.proxy.ConnectionProxy.setAutoCommit(ConnectionProxy.java:334) ~[HikariCP-2.4.1.jar:na]
at com.zaxxer.hikari.proxy.HikariConnectionProxy.setAutoCommit(HikariConnectionProxy.java) ~[HikariCP-2.4.1.jar:na]
at liquibase.database.jvm.JdbcConnection.setAutoCommit(JdbcConnection.java:361) ~[liquibase-core-3.4.2.jar:na]
... 7 common frames omitted
HIKARI LOG
: Configuring Datasource
: HikariPool-1 - configuration:
: allowPoolSuspension.............false
: autoCommit......................true
: catalog.........................
: connectionInitSql...............
: connectionTestQuery.............
: connectionTimeout...............30000
: dataSource......................
: dataSourceClassName.............com.mysql.jdbc.jdbc2.optional.MysqlDataSource
: dataSourceJNDI..................
: dataSourceProperties............{user=model3, url=jdbc:mysql://localhost:3306/model3?useUnicode=true&characterEncoding=utf8, password=<masked>, prepStmtCacheSqlLimit=2048, cachePrepStmts=true, maximumPoolSize=50, prepStmtCacheSize=250}
: driverClassName.................
: healthCheckProperties...........{}
: healthCheckRegistry.............
: idleTimeout.....................600000
: initializationFailFast..........true
: isolateInternalQueries..........false
: jdbc4ConnectionTest.............false
: jdbcUrl.........................
: leakDetectionThreshold..........0
: maxLifetime.....................1800000
: maximumPoolSize.................10
: metricRegistry..................com.codahale.metrics.MetricRegistry@109fdeb
: metricsTrackerFactory...........
: minimumIdle.....................10
: password........................<masked>
: poolName........................HikariPool-1
: readOnly........................false
: registerMbeans..................false
: scheduledExecutorService........
: threadFactory...................
: transactionIsolation............
: username........................
: validationTimeout...............5000
: HikariPool-1 - is starting.
: Property maximumPoolSize does not exist on target class com.mysql.jdbc.jdbc2.optional.MysqlDataSource
: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'liquibase' defined in class path resource [com/mycompany/myapp/config/DatabaseConfiguration.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [javax.sql.DataSource]: : Error creating bean with name 'dataSource' defined in class path resource [com/mycompany/myapp/config/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.RuntimeException: java.beans.IntrospectionException: Method not found: setMaximumPoolSize; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [com/mycompany/myapp/config/DatabaseConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.RuntimeException: java.beans.IntrospectionException: Method not found: setMaximumPoolSize