![](/img/trans.png)
[英]Spring boot docker Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/SpringApplication
[英]Exception in thread “main” java.lang.NoClassDefFoundError: org/springframework/boot/SpringApplication
剛加入,剛剛開始學習彈簧靴。 我寫了我的第一個應用程序,如下所示:
SpringBootApiApp.java
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootApiApp {
public static void main(String[] args) {
SpringApplication.run(SpringBootApiApp.class, args);
}
}
的pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.springbootquickstart</groupId>
<artifactId>SpringBootQuickStart</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>SpringBootApplication</name>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.2.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<properties>
<java.version>1.8</java.version>
</properties>
</project>
當我在STS中運行java類作為Java應用程序時,我看到以下錯誤,但我沒有看到編譯錯誤:請幫我修復它。
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/SpringApplication
at SpringBootApiApp.main(SpringBootApiApp.java:9)
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.SpringApplication
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)
... 1 more
也許運行Maven - >更新項目(因此將下載依賴項)
如果maven更新失敗,那么maven的settings.xml很糟糕,例如,存儲庫配置錯誤。
檢查Eclipse在Windows-> Preferences-> Maven-> User Settings中使用哪個settings.xml
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.