No compiler is provided in this environment Perhaps you are

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控制台输出的错误信息如下：

[INFO] Scanning for projects...[INFO] [INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1[INFO]                                                                         [INFO] ------------------------------------------------------------------------[INFO] Building jobserver 0.0.1-SNAPSHOT[INFO] ------------------------------------------------------------------------[INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ jobserver ---[INFO] Using 'UTF-8' encoding to copy filtered resources.[INFO] Copying 3 resources[INFO] [INFO] --- maven-compiler-plugin:3.0:compile (default-compile) @ jobserver ---[INFO] Changes detected - recompiling the module![INFO] Compiling 198 source files to F:\QunLiVideo\code20141106\jobserver\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[INFO] ------------------------------------------------------------------------[INFO] Total time: 2.281 s[INFO] Finished at: 2015-01-21T20:22:29+08:00[INFO] Final Memory: 9M/158M[INFO] ------------------------------------------------------------------------[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.0:compile (default-compile) on project jobserver: 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

网上找到的解决方案如下：

1. 下载java jdk，并安装java jdk。下载地址：http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

2. 在eclipse的菜单中，进入 Window > Preferences > Java > Installed JREs > Execution Environments，选择JavaSE-1.6, 在右侧选择jdk.

3. 然后在maven菜单中使用 “update project ...”.

但是重复尝试了很久都不行。

后来通过同事指点，需要执行下以步骤：

Maven update

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Maven clean

project clean
build project

然后再重复的执行Maven Install，直到打包成功为止。

           

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