生成maven项目时的编译错误

Question

我们试图从Jenkins构建一个maven工件并将其部署到我们的Nexus存储库管理器中，但是我们在构建过程中遇到了编译错误。这就是我们得到的错误！

错误]无法执行目标org.apache.maven.plugins：maven-compiler-plugin:3.5.1:在项目上编译（default-compile）studentapp：编译失败错误]此环境中没有提供编译器。您可能是在JRE上运行而不是在JDK上运行？[错误]编译错误

这是我们的pom.xml文件。

    <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>com.jdevs</groupId>
  <artifactId>studentapp</artifactId>
  <version>2.5-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
  </properties>

  <build>
    <sourceDirectory>src</sourceDirectory>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.5.1</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.6</version>
        <configuration>
          <warSourceDirectory>WebContent</warSourceDirectory>
          <failOnMissingWebXml>false</failOnMissingWebXml>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-dependency-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
   <distributionManagement>
        <repository>
            <id>deployment</id>
            <name>Internal Releases</name>
            <url>http://rig.eastus.cloudapp.azure.com:8081/repository/maven-releases/</url>
        </repository>
        <snapshotRepository>
            <id>deployment</id>
            <name>Internal Snapshot Releases</name>
            <url>http://rig.eastus.cloudapp.azure.com:8081/repository/maven-snapshots/</url>
        </snapshotRepository> 
    </distributionManagement>
  <dependencies>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>3.5.1</version>
      <type>maven-plugin</type>
    </dependency>

    <dependency>
      <groupId>commons-httpclient</groupId>
      <artifactId>commons-httpclient</artifactId>
      <version>3.1</version>
    </dependency>

    <dependency>
      <groupId>org.apache.jackrabbit</groupId>
      <artifactId>jackrabbit-webdav</artifactId>
      <version>1.5.0</version>
    </dependency>

    <dependency>
      <groupId>org.sonatype.sisu</groupId>
      <artifactId>sisu-guice</artifactId>
      <version>2.1.7</version>
      <type>pom</type>
    </dependency>

    <dependency>
      <groupId>javax.inject</groupId>
      <artifactId>javax.inject</artifactId>
      <version>1</version>
    </dependency>

    <dependency>
      <groupId>aopalliance</groupId>
      <artifactId>aopalliance</artifactId>
      <version>1.0</version>
    </dependency>

    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-plugin-api</artifactId>
      <version>3.5.0</version>
    </dependency>

    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-artifact</artifactId>
      <version>3.5.0</version>
    </dependency>

    <dependency>
      <groupId>org.apache.maven.plugin-tools</groupId>
      <artifactId>maven-plugin-annotations</artifactId>
      <version>3.5.1</version>
      <scope>provided</scope>
    </dependency>


  </dependencies>
</project>