"NoClassDefFoundError:GenericApplicationListener"从Spring Boot 1.3.0M1切换到1.3.0M2时 [英] "NoClassDefFoundError: GenericApplicationListener" when switching from Spring Boot 1.3.0M1 to 1.3.0M2

问题描述

在我的Spring Starter创建的Soring Boot应用程序中，我从Spring Boot 1.3.0M1切换到1.3.0M2.尝试启动应用程序时(从STS 3.7.0或通过spring-boot:run在命令行上启动)，出现以下异常:

In my Spring Starter created Soring Boot application I switched from Spring Boot 1.3.0M1 to 1.3.0M2. When trying to start the application (either from STS 3.7.0 or via spring-boot:run at the command line) I get the following exception:

java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:435)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.context.ApplicationListener : org.springframework.boot.logging.ClasspathLoggingApplicationListener
        at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:385)
        at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:362)
        at org.springframework.boot.SpringApplication.initialize(SpringApplication.java:231)
        at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:206)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:971)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:960)
        at com.daimler.daivb.services.application.dummyservice.DummyServiceApplication.main(DummyServiceApplication.java:18)
        ... 6 more
Caused by: java.lang.NoClassDefFoundError: org/springframework/context/event/GenericApplicationListener
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.springframework.util.ClassUtils.forName(ClassUtils.java:250)
        at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:378)
        ... 12 more
Caused by: java.lang.ClassNotFoundException: org.springframework.context.event.GenericApplicationListener
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 25 more

提到的类已在spring-context版本4.2.0中添加，但是当查看依赖关系树时，我可以看到Spring Boot 1.3.0M2仍然依赖于spring-context 4.1.6:

The mentioned class has been added in spring-context version 4.2.0 but when looking at the dependency tree I can see that Spring Boot 1.3.0M2 still depends on spring-context 4.1.6:

[INFO] com.company.services.application:dummyservice:war:0.0.1-SNAPSHOT
[INFO] +- org.springframework.boot:spring-boot-devtools:jar:1.3.0.M2:compile
[INFO] |  +- org.springframework.boot:spring-boot:jar:1.3.0.M2:compile
[INFO] |  |  \- org.springframework:spring-context:jar:4.1.6.RELEASE:compile
[INFO] |  \- org.springframework.boot:spring-boot-autoconfigure:jar:1.3.0.M2:compile
[INFO] |     \- org.yaml:snakeyaml:jar:1.15:compile

推荐答案

Spring Boot为您和

Spring Boot manages a bunch of dependencies for you and allows you to add them without specifying the version. Spring Boot is obviously based on Spring Framework and uses the latest and greatest so you should avoid at all cost to fix the spring framework version to use yourself.

如果您已升级到较新的版本(包括错误修复之类的内容)，请确保在升级Spring Boot之前先删除替代项，因为新版本可能需要与替代项不兼容.

If you have upgraded to a newer version (to include a bug fix or something) make sure to remove the override before you upgrade Spring Boot as the new version it requires may be incompatible with your override.

如果您正在使用也在Spring Framework上提供依赖项管理的其他项目(例如Spring Cloud)，请确保优先使用Spring Boot的依赖项管理.使用Maven，请确保将spring-boot-dependencies BOM添加为

If you are using other projects that also provide a dependency management on Spring Framework (such as Spring Cloud) make sure that the dependency management of Spring Boot takes precedence. With Maven, make sure to add the spring-boot-dependencies BOM as the first entry in the <dependenciesManagement> section.

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