本文出於個人獨立博客:Geeekrjava
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.2:compile (default-compile) on project api: Fatal error compiling: invalid target release: 1.7 -> [Help 1]
根據錯誤提示invalid target release: 1.7
,無效的目標版本。shell
###查看pom.xml文件apache
<plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.2</version> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin>
根據配置能夠看出maven-compiler-plugin
的目標版本是JDK 1.7;api
###查看JDK版本maven
➜ ~ java -version java version "1.7.0_71" Java(TM) SE Runtime Environment (build 1.7.0_71-b14) Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
根據上面信息能夠看出個人jdk版本也是1.7;ui
那麼問題出在哪裏了呢?3d
###查看Maven信息code
➜ ~ mvn -v Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-15T01:37:52+08:00) Maven home: /usr/local/Cellar/maven/3.2.1/libexec Java version: 1.7.0_71, vendor: Oracle Corporation Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Default locale: zh_CN, platform encoding: UTF-8 OS name: "mac os x", version: "10.10", arch: "x86_64", family: "mac"
終於真想大白了,原來maven引用的是1.6的版本,那麼如何修改配置爲1.7版本呢?orm
原來,maven讀兩個配置文件,/etc/mavenrc
和 ~/.mavenrc
。兩個文件默認是沒有的,能夠任意選擇一個作修改,我選擇我用戶目錄下的~/.mavenrc
,將下面代碼寫入。xml
JAVA_HOME=`/usr/libexec/java_home`
若是你在Mac上安裝了多個版本的JDK,而又不想改變默認的JDK版本,那麼你只須要在配置後面加上版本號便可,好比:
JAVA_HOME=`/usr/libexec/java_home -v 1.7`
在Mac中/usr/libexec/java_home
表示java_home
的一個鏈接文件。
➜ ~ ll /usr/libexec/java_home lrwxr-xr-x 1 root wheel 79B 11 14 16:39 /usr/libexec/java_home -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java_home
而後在執行
➜ ~ mvn -v Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-15T01:37:52+08:00) Maven home: /usr/local/Cellar/maven/3.2.1/libexec Java version: 1.7.0_71, vendor: Oracle Corporation Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_71.jdk/Contents/Home/jre Default locale: zh_CN, platform encoding: UTF-8 OS name: "mac os x", version: "10.10", arch: "x86_64", family: "mac"
而後在install項目就沒有這個錯誤了。