引发者：javax.persistence.PersistenceException：无法解析持久性单元根URL

引起：

java.io.FileNotFoundException：类路径资源[]无法解析为URL，因为它不存在

buildscript {
repositories {
    mavenCentral()
}
dependencies {
    classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.0.RELEASE")
}
}
group 'batch'
version '1.0-SNAPSHOT'

apply plugin: 'java'
apply plugin: 'spring-boot'
apply plugin: 'war'

bootRun {
addResources = true
}

war {
baseName = 'Batch'
version =  '0.1.0'
manifest {
    attributes 'Main-Class': 'com.Application'
}
}
jar {
manifest {
    attributes 'Main-Class': 'src.main.java.com.Application'
}
}
sourceCompatibility = 1.7
targetCompatibility = 1.7

repositories {
mavenCentral()
}
dependencies {
compile group: 'org.springframework.boot', name: 'spring-boot-starter-web', version: '1.5.6.RELEASE'
compile group: 'mysql', name: 'mysql-connector-java', version: '5.1.24'
compile group: 'org.json', name: 'json', version: '20180130'
compile group: 'org.springframework.boot', name: 'spring-boot-starter-data-jpa', version: '1.5.6.RELEASE'
compile group: 'javax.servlet', name: 'jstl', version: '1.2'
compile group: 'org.apache.tomcat.embed', name: 'tomcat-embed-jasper', version: '7.0.82'
compile group: 'org.springframework.boot', name: 'spring-boot-starter-tomcat', version: '1.2.4.RELEASE'
compile group: 'org.springframework.data', name: 'spring-data-jpa', version: '1.7.4.RELEASE'
compile group: 'org.eclipse.persistence', name: 'javax.persistence', version: '2.1.1'
}

使用的技术：

Gradle，Springboot，jdk7

异常跟踪：

tionConfigEmbeddedWebApplicationContext：在上下文初始化期间遇到异常 - 取消刷新att empt：org.springframework.beans.factory.BeanCreationException：在类路径资源中定义名称为'entityManagerFactory'的bean时出错[org / springframework / boot / aut oconfigure / orm / jpa /HibernateJpaAutoConfiguration.class]：调用init方法失败;嵌套异常是javax.persistence.PersistenceException：无法解析持久性单位根URL 2018-05-14 21：11：04.427 INFO 3136 --- [main] o.apache.catalina.core.StandardService：停止服务Tomcat 2018- 05-14 21：11：04.505 INFO 3136 --- [main] utoConfigurationReportLoggingInitializer：

启动ApplicationContext时出错 . 要显示自动配置报告，请启用调试日志记录（以--debug开头）

2018-05-14 21：11：04.552 ERROR 3136 --- [main] o.s.boot.SpringApplication：应用程序启动失败

org.springframework.beans.factory.BeanCreationException：在类路径资源[org / springframework / boot / autoconfi gure / orm / jpa / HibernateJpaAutoConfiguration.class]中定义名称为'entityManagerFactory'的bean创建错误：init方法的调用失败;嵌套异常是javax.persistence.PersistenceException：无法在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1578）解析持久性u nit根URL~ [spring-beans-4.3.2.RELEAS E .jar！/：4.3.2.RELEASE]在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:545）〜[spring-beans-4.3.2.RELEASE.j ar！/：4.3 .2.RELEASE] org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:482）〜[spring-beans-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] at org org.springframework.beans.factory上的.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:306）〜[spring-beans-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] .support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:230）〜[spring-beans-4.3.2.RELEASE.jar！/：4.3.2.RE租用org.springframework上的org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:302）〜[spring-beans-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] . 在org.springframework.context.support.AbstractApplicationContext.getBean上的beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:197）〜[spring-beans-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] （AbstractApplicationContext.java:1076）〜[spring-context-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:851）〜[ spring-context-4.3.2.RELEASE.ja r！/：4.3.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:541）〜[spring-context-4.3.2 . RELEASE.jar！/：4.3.2.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)~ [spring-boot-1.4.0.RELEASE.jar！/：1.4 .0.RELEA S. E] org.springframework.boot.SpringApplication.refresh（SpringApplication.java:759）[spring-boot-1.4.0.RELEASE.jar！/：1.4.0.RELEASE] org.springframework.boot.SpringApplication.refreshContext （SpringApplication.java:369）[spring-boot-1.4.0.RELEASE.jar！/：1.4.0.RELEASE]在org.springframework.boot.SpringApplication.run（SpringApplication.java:313）[spring-boot- 1.4.0.RELEASE.jar！/：1.4.0.RELEASE]在org.springframework.boot.SpringApplication.run（SpringApplication.java:1185）[spring-boot-1.4.0.RELEASE.jar！/：1.4 . 0.RELEASE]在com.Application.main上的org.springframework.boot.SpringApplication.run（SpringApplication.java:1174）[spring-boot-1.4.0.RELEASE.jar！/：1.4.0.RELEASE] .java：15）[class！/：na] at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）〜[na：1.8.0_171] at sun.reflect.NativeMethodAccessorImpl.invoke（Unknown Source）〜[na：1.8 . 0_171] at sun.reflect.DelegatingMethodAccessorImpl.invoke（Unknown Source）〜[na：1.8.0_171] at java.lang.reflect.Method.invoke（Unknown Source ）〜[na：1.8.0_171]在org.springframework.boot.loader.MainMethodRunner.run（MainMethodRunner.java:48）[Batch-0.1.0.war：na] org.springframework.boot.loader.Launcher.launch（Launcher.java:87）[批处理-0.1.0.war:na] at org.springframework.boot.loader.Launcher.launch（Launcher.java:50）[Batch-0.1.0.war：na] at org.springframework.boot.loader.WarLauncher .main（WarLauncher.java:59）[Batch-0.1.0.war：na]引起：javax.persistence.PersistenceException：无法解析org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.determineDefaultPersistenceUnitRootUrl中的持久性单元根URL （DefaultPersistenceUnitManager.java:603）〜[spring-orm -4.3.2.RELEASE.jar！/：4.3.2.RELEASE] org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.preparePersistenceUnitInfos（DefaultPersistenceUnitManager.java:443） 〜[spring-orm-4.3.2.RELE ASE.jar！/：4.3.2.RELEASE] org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.afterPropertiesSet（DefaultPersistenceUnitManager.jav a：424）〜[spring-orm-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory（LocalContainerEntityManagerFactoryBean.java:310)~ [spring-orm -4.3 .2.RELEASE.jar！/：4.3.2.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory（AbstractEntityManagerFactoryBean.java:373)~ [spring-orm-4.3.2.RELEASE.ja r ！/：4.3.2.RELEASE]在org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet（AbstractEntityManagerFactoryBean.java:362）〜[spring-orm-4.3.2.RELEASE.jar！/：4.3.2.REL EASE在org.springframework上的org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods（AbstractAutowireCapableBeanFactory.java:1637）〜[spring-beans-4.3.2.REL EASE.jar！/：4.3.2.RELEASE] . beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1574）〜[spring-beans-4.3.2.RELEAS E.jar！/：4.3.2.RE LEASE] ...省略了24个常用帧引起的：java.io.FileNotFoundException：类路径资源[]无法解析为URL，因为它不存在于org.springframework.core.io.ClassPathResource.getURL（ClassPathResource.java： 187）〜[spring-core-4.3.2.RELEASE.jar！/：4.3.2.RELEASE] org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.determineDefaultPersistenceUnitRootUrl（DefaultPersistenceUnitManager.java:600）〜[spring-orm -4.3.2.RELEASE.jar！/：4.3.2.RELEASE] ...省略了31个常用帧