[erlang-bugs] Cannot run CT tests multiple times

[Peter Andersson]

Hi Roberto,

The bug was reported for 17.5 and fixed only a couple of weeks ago for
OTP 18. It would be great if you could try it out and let me know if the
fix solves your problem.

Btw, if you *can* run your test on a short name node, try that also and
see if it works. (You need to delete or move any previous
ct_run-directories in logdir first though).

Keep me posted.

Best,
Peter


On 2015-04-23 13:28, Roberto Ostinelli wrote:
> Hello Peter,
> No I'm running the standard OTP 17.5.
>
> I've checked but could not find a previous report. I apologize if this
> was reported previously.
>
> Best,
> r.
>
>
> On Thu, Apr 23, 2015 at 12:40 PM, Peter Andersson <peppe@REDACTED
> <mailto:peppe@REDACTED>> wrote:
>
>     Hi Roberto,
>
>     This problem looks very much like one previously reported, about
>     CT not handling long node names correctly. There's a fix for it in
>     the master branch: 8a23259. Are you running on an updated branch?
>
>     Best regards,
>     Peter
>
>     Ericsson AB, Erlang/OTP
>
>
>
>     On 2015-04-22 16:34, Roberto Ostinelli wrote:
>>     Dear list,
>>     When I run CT tests multiple times I encounter a bug.
>>
>>     ========
>>     erl -pa apps/*/ebin -pa deps/*/ebin \
>>         -name myapp@REDACTED <mailto:myapp@REDACTED> \
>>         +K true \
>>         +P 5000000 \
>>         +Q 1000000 \
>>         -env ERL_FULLSWEEP_AFTER 10 \
>>         -config myapp \
>>         -mnesia schema_location ram \
>>         -noshell \
>>         -eval 'ct_run:run_test([{dir, "apps/myapp/test"}, {logdir,
>>     "apps/myapp/logs"}]).' \
>>         -s erlang halt
>>     =========
>>
>>
>>     Running this the first 2/3 times will give:
>>
>>
>>     =========
>>     Common Test starting (cwd is /Users/roberto/workspace/myapp)
>>
>>
>>     Common Test: Running make in test directories...
>>
>>     CWD set to:
>>     "/Users/roberto/workspace/myapp/apps/myapp/logs/ct_run.myapp@REDACTED"
>>     <mailto:/Users/roberto/workspace/myapp/apps/myapp/logs/ct_run.myapp@REDACTED>
>>
>>     TEST INFO: 1 test(s), 1 case(s) in 1 suite(s)
>>
>>     Testing apps.myapp: Starting test, 1 test cases
>>     Testing apps.myapp: TEST COMPLETE, 1 ok, 0 failed of 1 test cases
>>     =========
>>
>>
>>     After the 3rd time or so (this happens randomly), I get:
>>
>>
>>     =========
>>     $ ./tests 
>>
>>     Common Test starting (cwd is /Users/roberto/workspace/myapp)
>>
>>
>>     =ERROR REPORT==== 22-Apr-2015::16:26:00 ===
>>     Error in process <0.42.0> on node 'myapp@REDACTED
>>     <mailto:myapp@REDACTED>' with exit value:
>>     {{badmatch,["ct_run","myapp@REDACTED","0","0","1","2015-04-22_16","25","26"]},[{ct_logs,'-sort_ct_runs/1-fun-0-',2,[{file,"ct_logs.erl"},{line,1912}]},{lists,sort,2,[{file,"lists.erl"},{line,967}]},{ct_logs,make_all_suites_index,1,[{file,"ct_logs... 
>>     =========
>>
>>
>>     If I delete the directory where the CT logs are stored I can
>>     re-run the command, without issues.
>>
>>     Any ideas?
>>
>>     Best,
>>     r.
>>
>>
>>
>>
>>
>>     _______________________________________________
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>
>
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