SpringCloud啟動錯誤記錄

java.lang.ClassNotFoundException: org.springframework.cloud.util.PropertyUtils

11:42:23.914 [main] ERROR org.springframework.boot.SpringApplication - Application run failed java.lang.NoClassDefFoundError: org/springframework/cloud/util/PropertyUtilsat org.springframework.cloud.config.client.ConfigServerConfigDataMissingEnvironmentPostProcessor.postProcessEnvironment(ConfigServerConfigDataMissingEnvironmentPostProcessor.java:48)at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:189)at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:177)at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76)at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53)at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:345)at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140)at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:212)at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:117)at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:74)at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76)at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53)at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:345)at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)at com.martis.auth.AuthApplication.main(AuthApplication.java:63) Caused by: java.lang.ClassNotFoundException: org.springframework.cloud.util.PropertyUtilsat java.net.URLClassLoader.findClass(URLClassLoader.java:381)at java.lang.ClassLoader.loadClass(ClassLoader.java:424)at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)at java.lang.ClassLoader.loadClass(ClassLoader.java:357)... 24 common frames omitted

原因

??PropertyUtils存在于spring-cloud-context.jar，自3.0.0版本以后添加。引用2.2.9.RELEASE以前的版本會引發ClassNotFoundException異常。

解決方法

引用3.0.0以上版本

<dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-context</artifactId><version>3.0.3</version> </dependency>

總結

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