Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
我从 spring 工具套件创建了一个入门项目，其配置如下所示
当我 运行 应用程序更改
@SpringBootApplication
@RestController
public class FirstApplication {
public static void main(String[] args) {
SpringApplication.run(FirstApplication.class, args);
}
@RequestMapping("/greet")
public String helloGreeting() {
return "Salam REST";
}
}
它崩溃说
. ____ _ __ _ _
/\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.2.6.RELEASE)
2015-10-03 08:18:45.362 INFO 4100 --- [ main] c.rhcloud.arshad.demo.FirstApplication : Starting FirstApplication on Arshad with PID 4100 (F:\Boot-work\first\target\classes started by Arshay in F:\Boot-work\first)
2015-10-03 08:18:45.487 INFO 4100 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@11f23e5: startup date [Sat Oct 03 08:18:45 PKT 2015]; root of context hierarchy
2015-10-03 08:18:46.732 INFO 4100 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Overriding bean definition for bean 'beanNameViewResolver': replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration.class]] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter.class]]
2015-10-03 08:18:48.387 WARN 4100 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 common frames omitted
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 common frames omitted
2015-10-03 08:18:48.391 INFO 4100 --- [ main] .b.l.ClasspathLoggingApplicationListener : Application failed to start with classpath: [file:/F:/Boot-work/first/target/classes/, file:/F:/Boot-work/first/target/test-classes/, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-web/1.2.6.RELEASE/spring-boot-starter-web-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter/1.2.6.RELEASE/spring-boot-starter-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot/1.2.6.RELEASE/spring-boot-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/1.2.6.RELEASE/spring-boot-autoconfigure-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-logging/1.2.6.RELEASE/spring-boot-starter-logging-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/jcl-over-slf4j/1.7.12/jcl-over-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/slf4j-api/1.7.12/slf4j-api-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/jul-to-slf4j/1.7.12/jul-to-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/log4j-over-slf4j/1.7.12/log4j-over-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/ch/qos/logback/logback-classic/1.1.3/logback-classic-1.1.3.jar, file:/C:/Users/Arshay/.m2/repository/ch/qos/logback/logback-core/1.1.3/logback-core-1.1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/yaml/snakeyaml/1.14/snakeyaml-1.14.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/1.2.6.RELEASE/spring-boot-starter-tomcat-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.0.26/tomcat-embed-core-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.0.26/tomcat-embed-el-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-logging-juli/8.0.26/tomcat-embed-logging-juli-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/8.0.26/tomcat-embed-websocket-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.4.6/jackson-databind-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.4.6/jackson-annotations-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.4.6/jackson-core-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/org/hibernate/hibernate-validator/5.1.3.Final/hibernate-validator-5.1.3.Final.jar, file:/C:/Users/Arshay/.m2/repository/javax/validation/validation-api/1.1.0.Final/validation-api-1.1.0.Final.jar, file:/C:/Users/Arshay/.m2/repository/org/jboss/logging/jboss-logging/3.1.3.GA/jboss-logging-3.1.3.GA.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/classmate/1.0.0/classmate-1.0.0.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-core/4.1.7.RELEASE/spring-core-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-web/4.1.7.RELEASE/spring-web-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-aop/4.1.7.RELEASE/spring-aop-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/aopalliance/aopalliance/1.0/aopalliance-1.0.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-beans/4.1.7.RELEASE/spring-beans-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-context/4.1.7.RELEASE/spring-context-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-webmvc/4.1.7.RELEASE/spring-webmvc-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-expression/4.1.7.RELEASE/spring-expression-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-test/1.2.6.RELEASE/spring-boot-starter-test-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/junit/junit/4.12/junit-4.12.jar, file:/C:/Users/Arshay/.m2/repository/org/mockito/mockito-core/1.10.19/mockito-core-1.10.19.jar, file:/C:/Users/Arshay/.m2/repository/org/objenesis/objenesis/2.1/objenesis-2.1.jar, file:/C:/Users/Arshay/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-test/4.1.7.RELEASE/spring-test-4.1.7.RELEASE.jar]
2015-10-03 08:18:48.393 ERROR 4100 --- [ main] o.s.boot.SpringApplication : Application startup failed
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 common frames omitted
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 common frames omitted
Exception in thread "main" org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 more
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 more
这有什么问题。
您似乎对 运行 此应用程序使用了错误的 JRE。确保您 运行 使用 Java 版本 1.7 或更高版本，特别是如果您 运行 通过一些 IDE 来安装它。由于 Java docs，StandardCharsets 从 1.7 版开始可用。
我从 spring 工具套件创建了一个入门项目，其配置如下所示
当我 运行 应用程序更改
@SpringBootApplication
@RestController
public class FirstApplication {
public static void main(String[] args) {
SpringApplication.run(FirstApplication.class, args);
}
@RequestMapping("/greet")
public String helloGreeting() {
return "Salam REST";
}
}
它崩溃说
. ____ _ __ _ _
/\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.2.6.RELEASE)
2015-10-03 08:18:45.362 INFO 4100 --- [ main] c.rhcloud.arshad.demo.FirstApplication : Starting FirstApplication on Arshad with PID 4100 (F:\Boot-work\first\target\classes started by Arshay in F:\Boot-work\first)
2015-10-03 08:18:45.487 INFO 4100 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@11f23e5: startup date [Sat Oct 03 08:18:45 PKT 2015]; root of context hierarchy
2015-10-03 08:18:46.732 INFO 4100 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Overriding bean definition for bean 'beanNameViewResolver': replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/ErrorMvcAutoConfiguration$WhitelabelErrorViewConfiguration.class]] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter; factoryMethodName=beanNameViewResolver; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter.class]]
2015-10-03 08:18:48.387 WARN 4100 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 common frames omitted
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 common frames omitted
2015-10-03 08:18:48.391 INFO 4100 --- [ main] .b.l.ClasspathLoggingApplicationListener : Application failed to start with classpath: [file:/F:/Boot-work/first/target/classes/, file:/F:/Boot-work/first/target/test-classes/, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-web/1.2.6.RELEASE/spring-boot-starter-web-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter/1.2.6.RELEASE/spring-boot-starter-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot/1.2.6.RELEASE/spring-boot-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/1.2.6.RELEASE/spring-boot-autoconfigure-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-logging/1.2.6.RELEASE/spring-boot-starter-logging-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/jcl-over-slf4j/1.7.12/jcl-over-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/slf4j-api/1.7.12/slf4j-api-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/jul-to-slf4j/1.7.12/jul-to-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/org/slf4j/log4j-over-slf4j/1.7.12/log4j-over-slf4j-1.7.12.jar, file:/C:/Users/Arshay/.m2/repository/ch/qos/logback/logback-classic/1.1.3/logback-classic-1.1.3.jar, file:/C:/Users/Arshay/.m2/repository/ch/qos/logback/logback-core/1.1.3/logback-core-1.1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/yaml/snakeyaml/1.14/snakeyaml-1.14.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/1.2.6.RELEASE/spring-boot-starter-tomcat-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.0.26/tomcat-embed-core-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/8.0.26/tomcat-embed-el-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-logging-juli/8.0.26/tomcat-embed-logging-juli-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/8.0.26/tomcat-embed-websocket-8.0.26.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.4.6/jackson-databind-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.4.6/jackson-annotations-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.4.6/jackson-core-2.4.6.jar, file:/C:/Users/Arshay/.m2/repository/org/hibernate/hibernate-validator/5.1.3.Final/hibernate-validator-5.1.3.Final.jar, file:/C:/Users/Arshay/.m2/repository/javax/validation/validation-api/1.1.0.Final/validation-api-1.1.0.Final.jar, file:/C:/Users/Arshay/.m2/repository/org/jboss/logging/jboss-logging/3.1.3.GA/jboss-logging-3.1.3.GA.jar, file:/C:/Users/Arshay/.m2/repository/com/fasterxml/classmate/1.0.0/classmate-1.0.0.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-core/4.1.7.RELEASE/spring-core-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-web/4.1.7.RELEASE/spring-web-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-aop/4.1.7.RELEASE/spring-aop-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/aopalliance/aopalliance/1.0/aopalliance-1.0.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-beans/4.1.7.RELEASE/spring-beans-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-context/4.1.7.RELEASE/spring-context-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-webmvc/4.1.7.RELEASE/spring-webmvc-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-expression/4.1.7.RELEASE/spring-expression-4.1.7.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/boot/spring-boot-starter-test/1.2.6.RELEASE/spring-boot-starter-test-1.2.6.RELEASE.jar, file:/C:/Users/Arshay/.m2/repository/junit/junit/4.12/junit-4.12.jar, file:/C:/Users/Arshay/.m2/repository/org/mockito/mockito-core/1.10.19/mockito-core-1.10.19.jar, file:/C:/Users/Arshay/.m2/repository/org/objenesis/objenesis/2.1/objenesis-2.1.jar, file:/C:/Users/Arshay/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/hamcrest/hamcrest-library/1.3/hamcrest-library-1.3.jar, file:/C:/Users/Arshay/.m2/repository/org/springframework/spring-test/4.1.7.RELEASE/spring-test-4.1.7.RELEASE.jar]
2015-10-03 08:18:48.393 ERROR 4100 --- [ main] o.s.boot.SpringApplication : Application startup failed
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 common frames omitted
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 common frames omitted
Exception in thread "main" org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:687)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:967)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:956)
at com.rhcloud.arshad.demo.FirstApplication.main(FirstApplication.java:13)
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:331)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:307)
at org.apache.tomcat.util.buf.UDecoder.URLDecode(UDecoder.java:292)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3073)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3050)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.addDefaultServlet(TomcatEmbeddedServletContainerFactory.java:199)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.prepareContext(TomcatEmbeddedServletContainerFactory.java:174)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:154)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 more
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at java.net.URLClassLoader.run(Unknown Source)
at java.net.URLClassLoader.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 17 more
这有什么问题。
您似乎对 运行 此应用程序使用了错误的 JRE。确保您 运行 使用 Java 版本 1.7 或更高版本，特别是如果您 运行 通过一些 IDE 来安装它。由于 Java docs，StandardCharsets 从 1.7 版开始可用。