[英]Maven compilation of my Java 8 source code fails
在我的Mac上,我正在尝试编译我编写的一些Java 8源代码。 它在Eclipse中编译良好,但是在Maven中,编译失败。
我收到以下形式的多个错误:
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /Users/admin/eclipse/workspaces/default/Java8/src/main/java/language/utilities/MapDemo.java:[14,33] lambda expressions are not supported in -source 1.7
(use -source 8 or higher to enable lambda expressions)
运行mvn -v将产生:
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T16:41:47+00:00)
Maven home: /Users/admin/apache-maven-3.3.9
Java version: 1.8.0_91, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre
Default locale: en_IE, platform encoding: UTF-8
OS name: "mac os x", version: "10.12", arch: "x86_64", family: "mac"
运行export命令显示JAVA_HOME变量设置为:
JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home"
什么是“-源”属性? 如果我的Java版本是Java 8,为什么需要设置它?
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