代码语言：javascript复制
[ERROR] Failed to execute goal org.apache.hadoop:hadoop-maven-plugins:2.8.5:protoc (compile-protoc) on project hadoop-common: org.apache.maven.plugin.MojoExecutionException: protoc version is 'libprotoc 2.6.1', expected version is '2.5.0' -> [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 <args> -rf :hadoop-common在打包 Hadoop 2.8.5 的时候，报错信息大概如上，其实很好解释，就是本地的 protoc 的版本跟 Hadoop 需要的版本不一样了，从报错信息可以知道，本地是 2.6.1，只要改成 2.5.0 即可。
