java - 无法执行目标org.apache.maven.plugins :maven-compiler-plugin:3.1:compile (default-compile) on project [duplicate]

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This question already has answers here:

Maven Compilation Error: (use -source 7 or higher to enable diamond operator)

(4个答案)


3年前关闭。




即使我将所有内容都设置为Java 8，Maven也会告诉我以下内容。

File -> Project Structure -> Modules

[编辑配置-> Maven->构建->运行] [2]

[默认项目结构] [3]

全部设置为语言级别8

[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.730 s
[INFO] Finished at: 2017-02-06T20:29:55+01:00
[INFO] Final Memory: 7M/19M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project kingdoms: Compilation failure
[ERROR] /C:/Users/Marius/Desktop/IntelliJ projects/Kingdoms/src/main/java/me/expdev/kingdoms/files/JsonConfig.java:[24,54] diamond operator is not supported in -source 1.6
[ERROR] (use -source 7 or higher to enable diamond operator)
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

Process finished with exit code 1

任何帮助将不胜感激。我尝试使用Google搜索，但没有发现任何人遇到此错误，因此诉诸Stack Overflow。

注意:我正在使用IntelliJ Ultimate Edition(已许可)，如果相关的话。

最佳答案

检查pom.xml，并确保将编译器源设置为1.7或更高版本。另请:https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html

关于java - 无法执行目标org.apache.maven.plugins :maven-compiler-plugin:3.1:compile (default-compile) on project [duplicate]，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42075920/

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Answer 1

检查pom.xml，并确保将编译器源设置为1.7或更高版本。另请:https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html