Java 由于NoClassDefFoundError,无法启动嵌入式容器
我的SpringBoot应用程序与EclipseIDE配合得很好,但是当我在Docker容器上运行我的应用程序时,它的映像构建得很好,但是当我运行映像时,它将得到异常ClassDefnotfound,并且无法启动嵌入式容器Java 由于NoClassDefFoundError,无法启动嵌入式容器,java,maven,docker,spring-boot,dockerfile,Java,Maven,Docker,Spring Boot,Dockerfile,我的SpringBoot应用程序与EclipseIDE配合得很好,但是当我在Docker容器上运行我的应用程序时,它的映像构建得很好,但是当我运行映像时,它将得到异常ClassDefnotfound,并且无法启动嵌入式容器 How can I fix it?` In Dockerfile FROM java:8 EXPOSE 8080 ADD /target/docker.ras.jar docker.ras.jar RUN sh -c 'touch /docker.ras.jar ENTR
How can I fix it?`
In Dockerfile
FROM java:8
EXPOSE 8080
ADD /target/docker.ras.jar docker.ras.jar
RUN sh -c 'touch /docker.ras.jar
ENTRYPOINT ["java","-jar","docker.ras.jar"]
In pom.xml i also use maven plugin
4.0.0
example.docker.ras
检查Docker容器中的Java版本。
希望你正在运行的应用后,工件。
如果是这样,请确保它正在添加所有依赖项。这可能是因为部署中包含了特定于服务器的API,或者servlet API版本错误。我怀疑是前者
如果您使用的是maven,请检查您的ServletAPI是否在pom中提供了范围
也看看
如何为Docker构建应用程序映像(包)?请用这些信息修改您的问题。我在docker工具上使用了以下命令。1.mvn安装2。docker build-f Dockerfile-t docker.ras。3.docker images 4.docker run-p 8080:8080 docker.rasShow us异常全文,请。当您使用Maven时,请发布您的pom.xml
。您应该使用SpringBootMaven插件,如下所述:请将您的pom.xml添加到问题中。这很可能就是问题所在。
<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>example.docker.ras</groupId>
<artifactId>docker.ras</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.3.RELEASE</version>
</parent>
<name>docker.ras</name>
<url>http://maven.apache.org</url>
<properties>
<java.version>1.8</java.version>
<start-class>docker.ras.App</start-class>
<docker.image.prefix>springio</docker.image.prefix>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<version>1.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.spotify</groupId>
<artifactId>docker-maven-plugin</artifactId>
<version>0.4.11</version>
<configuration>
<imageName>${docker.image.prefix}/${project.artifactId}</imageName>
<dockerDirectory>src/main/docker</dockerDirectory>
<resources>
<resource>
<targetPath>/</targetPath>
<directory>${project.build.directory}</directory>
<include>${project.build.finalName}.jar</include>
</resource>
</resources>
</configuration>
</plugin>
</plugins>
<finalName>docker.ras</finalName>
</build>
</project>