【问题标题】:maven 3.8.0 :testCompile (default-testCompile) on project App: Fatal error compiling: invalid flag: --release -> [Help 1]maven 3.8.0 :testCompile (default-testCompile) 项目应用程序:致命错误编译:无效标志:--release -> [帮助 1]
【发布时间】:2019-08-01 10:36:50
【问题描述】:

我正在使用 jdk 11 和 maven 3.8.0。请在下面找到给定的 pom.xml。我收到错误

致命错误编译:无效标志:--release -> [帮助1]

关于如何解决此问题的任何建议?

<build>
    <pluginManagement>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.0</version>
                <configuration>
                    <release>11</release>
                    <encoding>UTF-8</encoding>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>org.ow2.asm</groupId>
                        <artifactId>asm</artifactId>
                        <version>7.1</version>
                    </dependency>
                </dependencies>
            </plugin>
        </plugins>
    </pluginManagement>
</build>

遇到错误

Aug 1 15:50:11  [WARNING] The requested profile "inttest" could not be activated because it does not exist.
Aug 1 15:50:11  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:testCompile (default-testCompile) on project some-service: Fatal error compiling: invalid flag: --release -> [Help 1]
Aug 1 15:50:11  [ERROR] 
Aug 1 15:50:11  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
Aug 1 15:50:11  [ERROR] Re-run Maven using the -X switch to enable full debug logging.
Aug 1 15:50:11 [ERROR] 
Aug 1 15:50:11  [ERROR] For more information about the errors and possible solutions, please read the following articles:
Aug 1 15:50:11  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

【问题讨论】:

  • 您是否使用 java 11 和 $JAVA_HOME 变量设置您的项目?
  • 首先我建议使用最新版本的 maven-compiler-plugin (3.8.1) 此外,无效标志意味着您没有使用 JDK 11 进行构建或未正确设置 JAVA_HOME,如前所述。 ..不需要对 asm 的依赖...
  • @khmarbaise 问题已解决,谢谢

标签: maven maven-3 maven-plugin java-11


【解决方案1】:

当您使用 Java 9 的 &lt;release&gt;11&lt;/release&gt; 命令行功能,但使用 Java 8 构建它时,通常会发生此错误。

mvn --version

应该给你

Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /opt/maven
Java version: 11.0.7, vendor: Oracle Corporation, runtime: /home/.../.sdkman/candidates/java/11.0.7-open
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.8.10-200.fc32.x86_64", arch: "amd64", family: "unix"   ```

【讨论】:

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