解决Perhaps you are running on a JRE rather than a JDK?问题

Maven-No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?



[INFO] Scanning for projects...

[INFO]                                                                         

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[INFO] Building helloworld 0.0.1-SNAPSHOT

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[INFO] 

[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ helloworld ---

[INFO] Deleting H:\mavenok\helloworld\target

[INFO] 

[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ helloworld ---

[INFO] Using ‘UTF-8‘ encoding to copy filtered resources.

[INFO] skip non existing resourceDirectory H:\mavenok\helloworld\src\main\resources

[INFO] 

[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ helloworld ---

[INFO] Changes detected - recompiling the module!

[INFO] Compiling 1 source file to H:\mavenok\helloworld\target\classes

[INFO] -------------------------------------------------------------

[ERROR] COMPILATION ERROR : 

[INFO] -------------------------------------------------------------

[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

[INFO] 1 error

[INFO] -------------------------------------------------------------

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

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[INFO] Total time: 0.781 s

[INFO] Finished at: 2015-03-25T11:22:14+08:00

[INFO] Final Memory: 4M/8M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project helloworld: Compilation failure

[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

[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
问题描述：No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

翻译过来就是，大哥，环境里没给编译器呀，可能你是用jre在玩耍，我要jdk~~

问题原因：eclipse官网看了看，发现eclipse默认是运行在jre上的，
但是maven插件需要使用jdk，因此需要在eclipse修改Installed JRES
位置在-->【Window】-->【Prefrences】-->【Java】-->【Installed JREs】
详见下图。



这样就解决了这个问题，重新构建一下

[INFO] Scanning for projects...

[INFO]                                                                         

[INFO] ------------------------------------------------------------------------

[INFO] Building helloworld 0.0.1-SNAPSHOT

[INFO] ------------------------------------------------------------------------

[INFO] 

[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ helloworld ---

[INFO] Deleting H:\mavenok\helloworld\target

[INFO] 

[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ helloworld ---

[INFO] Using ‘UTF-8‘ encoding to copy filtered resources.

[INFO] skip non existing resourceDirectory H:\mavenok\helloworld\src\main\resources

[INFO] 

[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ helloworld ---

[INFO] Changes detected - recompiling the module!

[INFO] Compiling 1 source file to H:\mavenok\helloworld\target\classes

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.117 s

[INFO] Finished at: 2015-03-25T11:45:51+08:00

[INFO] Final Memory: 6M/12M

[INFO] ------------------------------------------------------------------------

构建成功。