Github user nickwallen commented on a diff in the pull request:

    https://github.com/apache/incubator-metron/pull/436#discussion_r104558496
  
    --- Diff: metron-deployment/roles/metron-builder/tasks/main.yml ---
    @@ -15,4 +15,7 @@
     #  limitations under the License.
     #
     ---
    -hdp_repo_def: 
"http://public-repo-1.hortonworks.com/HDP/centos6/2.x/updates/2.5.0.0/hdp.repo";
    +- name: Build Deployment Artifacts
    +  local_action: shell cd {{ metron_build_dir }} && mvn clean package 
-DskipTests -P HDP-2.5.0.0,mpack,build-rpms
    --- End diff --
    
    This is a "nice to have", but I noticed is that if you run "Full Dev" 
`vagrant up` without Docker running, it fails at this step with an awfully long 
and convoluted error message.  
    
    ```
    ...
    ed(Launcher.java:289)", "\tat 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)", 
"\tat 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)",
 "\tat 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)", 
"[INFO] 
------------------------------------------------------------------------", 
"[INFO] Reactor Summary:", "[INFO] ", "[INFO] Metron 
............................................. SUCCESS [  0.327 s]", "[INFO] 
metron-analytics ................................... SUCCESS [  0.002 s]", 
"[INFO] metron-maas-common ................................. SUCCESS [  5.415 
s]", "[INFO] metron-platform .................................... SUCCESS [  
0.001 s]", "[INFO] metron-test-utilities .............................. SUCCESS 
[  3.629 s]", "[INFO] metron-integration-test ............................ 
SUCCESS [  7.044 s]", "[INFO] metron-maas-service 
................................ SUCCESS [  3.743 s]", "[INFO] 
 metron-common ...................................... SUCCESS [ 18.669 s]", 
"[INFO] metron-statistics .................................. SUCCESS [ 13.954 
s]", "[INFO] metron-hbase ....................................... SUCCESS [  
2.471 s]", "[INFO] metron-profiler-common ............................. SUCCESS 
[  0.754 s]", "[INFO] metron-profiler-client ............................. 
SUCCESS [ 15.322 s]", "[INFO] metron-profiler 
.................................... SUCCESS [ 32.045 s]", "[INFO] 
metron-writer ...................................... SUCCESS [ 12.181 s]", 
"[INFO] metron-enrichment .................................. SUCCESS [ 39.843 
s]", "[INFO] metron-indexing .................................... SUCCESS [ 
12.021 s]", "[INFO] metron-solr ........................................ 
SUCCESS [ 14.621 s]", "[INFO] metron-pcap 
........................................ SUCCESS [  1.248 s]", "[INFO] 
metron-parsers ..................................... SUCCESS [ 40.486 s]", 
"[INFO] m
 etron-pcap-backend ................................ SUCCESS [ 22.573 s]", 
"[INFO] metron-data-management ............................. SUCCESS [ 45.768 
s]", "[INFO] metron-api ......................................... SUCCESS [ 
20.498 s]", "[INFO] metron-management .................................. 
SUCCESS [  4.632 s]", "[INFO] elasticsearch-shaded 
............................... SUCCESS [  3.916 s]", "[INFO] 
metron-elasticsearch ............................... SUCCESS [ 44.956 s]", 
"[INFO] metron-deployment .................................. SUCCESS [  0.000 
s]", "[INFO] metron-rpm ......................................... FAILURE [ 
10.066 s]", "[INFO] Metron Ambari Management Pack ...................... 
SKIPPED", "[INFO] metron-docker ...................................... 
SKIPPED", "[INFO] 
------------------------------------------------------------------------", 
"[INFO] BUILD FAILURE", "[INFO] 
------------------------------------------------------------------------", 
"[INFO] To
 tal time: 06:16 min", "[INFO] Finished at: 2017-03-06T19:09:39-05:00", "[INFO] 
Final Memory: 162M/1993M", "[INFO] 
------------------------------------------------------------------------", 
"[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:exec 
(docker-build) on project metron-rpm: Command execution failed. Process exited 
with an error: 1 (Exit value: 1) -> [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 :metron-rpm"], "warnings": []}
    ```
    
    I think this might cause some headaches, especially for new folks.  
Ideally, we could add some kind of more intelligible error message.



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