Spring Boot Samples FileNot发现错误

我在关于spring boot项目的例子中。 我已经通过maven编译并创建了一个jar文件，但在运行尝试时出错。

https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-simple

项目文件夹：

错误：

java -jar spring-boot-sample-simple-1.1.3.BUILD-SNAPSHOT.jar

014-06-25 09:10:00.653 ERROR 12028 --- [ main] osboot.SpringApplication : Application startup failed ava.lang.IllegalStateException: Unable to load configuration files at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:158) at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.j va:138) at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.j va:131) at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:120) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:98) at org.springframework.boot.context.event.EventPublishingRunListener.publishEvent(EventPublishingRunListener.java:100) at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:59) at org.springframework.boot.SpringApplication.run(SpringApplication.java:277) at org.springframework.boot.SpringApplication.run(SpringApplication.java:944) at org.springframework.boot.SpringApplication.run(SpringApplication.java:933) at sample.simple.SampleSimpleApplication.main(SampleSimpleApplication.java:46) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:53) at java.lang.Thread.run(Unknown Source) aused by: java.io.FileNotFoundException: class path resource [application.properties] cannot be opened because it does not exist at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:172) at org.springframework.core.io.support.PropertiesLoaderUtils.fillProperties(PropertiesLoaderUtils.java:132) at org.springframework.core.io.support.PropertiesLoaderUtils.loadProperties(PropertiesLoaderUtils.java:121) at org.springframework.boot.env.PropertiesPropertySourceLoader.load(PropertiesPropertySourceLoader.java:44) at org.springframework.boot.env.PropertySourcesLoader.load(PropertySourcesLoader.java:126) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadIntoGroup(ConfigFileApplicationListener.java:360) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:349) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:317) at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:155) ... 16 common frames omitted 

Answer 1

Spring Boot 1.1.2中存在一个错误，当您尝试从jar文件运行应用程序时，会导致Windows上的类加载出现问题。 我建议回到1.1.1，直到修好。

Answer 2

您缺少application.properties文件。 使用Spring Boot，您可以将此文件放在与jar文件相同的级别，它将使用该文件。 在这里查看更多信息链接的文档