家伙！ 在重建我以前工作的Web项目之后，我遇到了一个问题：在配置之前无法访问数据库。我尝试通过main方法访问DB，但结果是一样的。我有一些项目备份，所有这些备份都无法访问数据库。 在persistence.xml中，我试图提到DB的完整路径，但是没有效果（以前这个配置工作正常）。 不幸的是，没有抛出异常，因此我无法找到问题所在。
配置：JPA 2.1，JDK 1.8.0_60，Maven，Spring 4.1
如果有任何关于如何追踪和解决问题的建议，我将不胜感激。
我的persistence.xml（方案声明被忽略）：
22:27:13.425 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
22:27:13.426 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
22:27:13.426 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor'
22:27:13.426 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor'
22:27:13.426 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor'
22:27:13.426 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'entityManagerFactory'
22:27:13.427 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'transactionManager'
22:27:13.427 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'transactionManager'
22:27:13.437 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'transactionManager' to allow for resolving potential circular references
22:27:13.451 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'entityManagerFactory'
22:27:13.452 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Invoking afterPropertiesSet() on bean with name 'transactionManager'
22:27:13.454 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.transaction.config.internalTransactionAdvisor'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'transactionManager'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor#0'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'dataSource'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.aop.config.internalAutoProxyCreator'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.transaction.interceptor.TransactionInterceptor#0'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.transaction.config.internalTransactionAdvisor'
22:27:13.455 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor'
22:27:13.456 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor'
22:27:13.458 [main] DEBUG org.springframework.context.support.ClassPathXmlApplicationContext - Unable to locate LifecycleProcessor with name 'lifecycleProcessor': using default [org.springframework.context.support.DefaultLifecycleProcessor@2611b9a3]
22:27:13.459 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'lifecycleProcessor'
22:27:13.462 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemProperties]
22:27:13.463 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemEnvironment]
22:27:13.463 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Could not find key 'spring.liveBeansView.mbeanDomain' in any property source. Returning [null]
22:27:13.463 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'superUserServiceImpl'
22:27:13.756 [main] DEBUG org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler - Creating new EntityManager for shared EntityManager invocation
[EL Info]: 2015-12-19 22:27:13.781--ServerSession(579294521)--Thread(Thread[main,5,main])--EclipseLink, version: Eclipse Persistence Services - 2.5.0.v20130507-3faac2b
[EL Config]: connection: 2015-12-19 22:27:13.791--ServerSession(579294521)--Connection(2109219177)--Thread(Thread[main,5,main])--connecting(DatabaseLogin(
platform=>DerbyPlatform
user name=> ""
connector=>JNDIConnector datasource name=>null
))
22:27:13.792 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
[EL Config]: connection: 2015-12-19 22:27:14.889--ServerSession(579294521)--Connection(2048102341)--Thread(Thread[main,5,main])--Connected: jdbc:derby:..//RestaurantDB1
User: APP
Database: Apache Derby Version: 10.11.1.2 - (1629631)
Driver: Apache Derby Embedded JDBC Driver Version: 10.11.1.2 - (1629631)
[EL Config]: connection: 2015-12-19 22:27:14.891--ServerSession(579294521)--Connection(932885627)--Thread(Thread[main,5,main])--connecting(DatabaseLogin(
platform=>DerbyPlatform
user name=> ""
connector=>JNDIConnector datasource name=>null
))
22:27:14.891 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
[EL Config]: connection: 2015-12-19 22:27:14.897--ServerSession(579294521)--Connection(1313799195)--Thread(Thread[main,5,main])--Connected: jdbc:derby:..//RestaurantDB1
User: APP
Database: Apache Derby Version: 10.11.1.2 - (1629631)
Driver: Apache Derby Embedded JDBC Driver Version: 10.11.1.2 - (1629631)
[EL Info]: connection: 2015-12-19 22:27:14.989--ServerSession(579294521)--Thread(Thread[main,5,main])--file:/D:/Підготовка до Канади/Джава/Java EE/project/DAily backup/ElectronicRestaurant/target/classes_Restaurant login successful
22:27:15.022 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
22:27:15.145 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
22:27:15.169 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
22:27:15.197 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
22:27:15.218 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
22:27:15.300 [main] DEBUG org.springframework.jdbc.datasource.DriverManagerDataSource - Creating new JDBC DriverManager Connection to [jdbc:derby:..//RestaurantDB1;create=true]
[EL Fine]: sql: 2015-12-19 22:27:15.304--ServerSession(579294521)--Connection(456785282)--Thread(Thread[main,5,main])--SELECT ID, DATEOFBIRTH, DATEOFCREATION, DATEOFLASTLOGIN, DELIVERYADDRESS, EMAIL, ISACTIVE, LOGIN, NAME, PASSWORD, SURNAME, TYPEOFUSER FROM USERS WHERE (ID = ?)
bind => [7]
22:27:15.323 [main] DEBUG org.springframework.orm.jpa.EntityManagerFactoryUtils - Closing JPA EntityManager
null
我的.log片段：
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.framework.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-agent</artifactId>
<version>2.5.6.SEC03</version>
</dependency>
<!-- JSR-330 -->
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>
<!-- EL -->
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>el-impl</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>com.sun.el</groupId>
<artifactId>el-ri</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>${jsf.version}</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>${jsf.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>2.5.0</version>
</dependency>
<dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derby</artifactId>
<version>10.10.1.1</version>
</dependency>
<dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derbyclient</artifactId>
<version>10.10.1.1</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>4.0.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>4.0.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-taglibs</artifactId>
<version>4.0.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>4.0.3.RELEASE</version>
</dependency>
一些依赖项：
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