hadoop 2.2.0版本 'protoc --version' did not return a version ->
INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.hadoop:hadoop-maven-plugins:3.0.0-SNAPSHOT:protoc (compile-protoc) on project hadoop-common: org.apache.maven.plugin.MojoExecutionException: 'protoc --version' did not return a version -> [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/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :hadoop-common
[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/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :hadoop-common
經過查詢原因，適用於沒有沒有安裝 protoc 2.5.0，在官網提示為：NOTE: You will need protoc 2.5.0 installed.
需要安裝 protoc 2.5.0，他是google的一個數據緩衝高效可擴充套件的服務包，
然後，安裝protobuf 服務包，官方提供的命令如下：
| $ ./configure |
| $ make |
| $ make check |
| $ make install |
由於我是用的ubuntu,使用
sudo apt-get install gcc
如果不能安裝完成，你需要更行
sudo apt-get update 更新ubuntu 的庫
然後再繼續的安裝
sudo apt-get install gcc
面對下面的錯誤，百度一下，這是缺少相應的庫導致的，所以可能在不同系統，安裝不同軟體的時候都可能出現。
configure: error: C++ preprocessor "/lib/cpp" fails sanity check
使用下載庫檔案， sudo apt-get install build-essential
然後，在執行./configure,順利的完成
在後檢視版本，$protoc --version
將會提示找不到 protoc
讓你安裝 sudo apt-get install protobuf-compiler
$protoc --version
libprotoc.2.4.1
hadoop 要求的版本為2.5.0，mvn編譯將不通過。
只需要完成配置完成就行了
$sudo vi /etc/profile
export PROTOC_HOME=/opt/protobuf-2.5.0
export PATH=$PATH:$PROTOC_HOME/src
然後，
$protoc --version
libprotoc.2.5.0
祝你成功