我的项目使用 MySQL、JavaFX、Spring Boot、Spring Data JP 和 Hibernate 框架/技术。
这是我的 POM 文件。
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.nubeclick</groupId>
<artifactId>pos</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>POSNubeClick</name>
<description>Sistema de punto de venta (Point Of Sale).</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<slf4j.version>1.7.12</slf4j.version>
<log4j.version>1.2.17</log4j.version>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>com.miglayout</groupId>
<artifactId>miglayout-javafx</artifactId>
<version>5.0</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<!-- <dependency> -->
<!-- <groupId>org.slf4j</groupId> -->
<!-- <artifactId>slf4j-api</artifactId> -->
<!-- <version>${slf4j.version}</version> -->
<!-- </dependency> -->
<!-- <dependency> -->
<!-- <groupId>org.slf4j</groupId> -->
<!-- <artifactId>jcl-over-slf4j</artifactId> -->
<!-- <version>${slf4j.version}</version> -->
<!-- </dependency> -->
<!-- <dependency> -->
<!-- <groupId>org.slf4j</groupId> -->
<!-- <artifactId>slf4j-log4j12</artifactId> -->
<!-- <version>${slf4j.version}</version> -->
<!-- </dependency> -->
<!-- <dependency> -->
<!-- <groupId>log4j</groupId> -->
<!-- <artifactId>log4j</artifactId> -->
<!-- <version>${log4j.version}</version> -->
<!-- </dependency> -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.jfoenix</groupId>
<artifactId>jfoenix</artifactId>
<version>1.10.0</version>
</dependency>
<dependency>
<groupId>de.jensd</groupId>
<artifactId>fontawesomefx</artifactId>
<version>8.9</version>
</dependency>
<dependency>
<groupId>org.controlsfx</groupId>
<artifactId>controlsfx</artifactId>
<version>8.40.13</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
这是我的 .properties 配置。
spring.main.banner-mode=off
# Datasource connection properties
spring.datasource.url=jdbc:mysql://localhost/posnubeclick
spring.datasource.username=nubeclick
spring.datasource.password=nubeclick
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
# JPA Properties
spring.jpa.database=posnubeclick
# Hibernate Configuration Properties
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.properties.hibernate.current_session_context_class=thread
spring.jpa.properties.hibernate.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
# Naming strategy
spring.jpa.hibernate.naming-strategy =org.hibernate.cfg.ImprovedNamingStrategy
#Turn Statistics on
spring.jpa.properties.hibernate.generate_statistics=true
# logging
logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n
logging.level.org.hibernate.stat=debug
logging.level.org.hibernate.type=trace
logging.level.org.hibernate.SQL=debug
#logging.level.org.hibernate.type.descriptor.sql=trace
logging.level.=error
这是我的主课
@SpringBootApplication(scanBasePackages = { "com.nubeclick.pos" })
public class MainApp extends Application {
private static final Logger log = LoggerFactory.getLogger(MainApp.class);
public static void main(String[] args) throws Exception {
SpringApplication.run(MainApp.class, args);
// launch(args);
}
@Override
public void start(Stage stage) throws Exception {
try {
log.info("Starting Hello JavaFX and Maven demonstration application");
String fxmlFile = "/fxml/Main.fxml";
log.debug("Loading FXML for main view from: {}", fxmlFile);
FXMLLoader loader = new FXMLLoader();
Parent rootNode = (Parent) loader.load(getClass().getResourceAsStream(fxmlFile));
log.debug("Showing JFX scene");
Scene scene = new Scene(rootNode);
scene.getStylesheets().add("/styles/styles.css");
stage.setTitle("NubeClick - Point of Sales");
stage.setScene(scene);
stage.show();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
这是堆栈跟踪:
上下文初始化期间遇到异常 - 取消刷新尝试:org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration’: Unsatisfied dependency expressed through constructor parameter 0;嵌套的异常是 org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dataSource’ defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration\(Hikari.class\]: Bean instantiation via factory method failed ;嵌套异常是 org.springframework.beans.BeanInstantiationException:无法实例化 \[com.zaxxer.hikari.HikariDataSource\]:工厂方法 'dataSource' 抛出异常;嵌套异常是 org.springframework.boot.autoconfigure.jdbc.DataSourceProperties\)DataSourceBeanCreationException: 无法确定合适的驱动程序类
春天的消息是这样的:
说明:无法自动配置数据源:未指定“spring.datasource.url”,无法自动配置嵌入式数据源。原因:无法确定合适的驱动程序类 措施:考虑以下事项:如果您需要嵌入式数据库(H2、HSQL 或 Derby),请将其放在类路径中。如果您有要从特定配置文件加载的数据库设置,您可能需要激活它(当前没有配置文件处于活动状态)。
我不知道还能做什么,也许从零开始,但我想使这些框架适应我当前的项目。
我能做些什么来解决这个问题?
疯狂的事情,我决定将项目上传到另一个存储库,彻底清理项目文件夹(删除 .project、.settings、.classpath、bin、target)并将项目重新导入到 eclipse 中,进行配置 -> 添加 maven 性质,现在错误消失了,至少这个错误,还有一些其他错误,但现在它从属性文件加载所有内容,那么,为什么会发生这种情况?
链接到文档将不胜感激,所以我可以理解我必须做什么。
原文由 AjFmO 发布,翻译遵循 CC BY-SA 4.0 许可协议
我决定将项目上传到另一个存储库,彻底清理项目文件夹(删除 .project、.settings、.classpath、bin、target)并将项目重新导入到 eclipse 中,进行配置 -> 添加 maven 性质,现在错误消失了,至少这个错误,还有一些其他错误,但现在它从属性文件加载所有内容,那么,为什么会发生这种情况?