为什么我simulatedata-generator目录下执行mvn clean package的时候就报错了，新手，求指教

[mifeier]

D:\Big data\Data-Processer-master\Data-Processer-master\src\test\java\com\cloudw
ise\toushibao\simulatedata_generator>mvn clean package
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.094 s
[INFO] Finished at: 2017-07-28T09:25:04+08:00
[INFO] Final Memory: 5M/121M
[INFO] ------------------------------------------------------------------------
[ERROR] The goal you specified requires a project to execute but there is no POM
in this directory (D:\Big data\Data-Processer-master\Data-Processer-master\src
test\java\com\cloudwise\toushibao\simulatedata_generator). Please verify you inv
oked Maven from the correct directory. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit
ch.
[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 rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MissingProject
Exception

D:\Big data\Data-Processer-master\Data-Processer-master\src\test\java\com\cloudw
ise\toushibao\simulatedata_generator>