Mesos master endless attemps to kill unexisting task

[Adam Cecile]

Hello,

I see two old tasks being stuck in Mesos. These tasks don't exist 
anymore since ages but Mesos still tries to kill them:


Mar 14 09:56:49 mario mesos-master[23570]: I0314 09:56:49.441572 23602 
master.cpp:5297] Processing KILL call for task 
'pub_api_oecd-rest-api-on-port-20015.196f414a-f61f-11e7-856c-f6e84742f1ef' 
of framework 346d7333-a980-43a8-93ab-343ea12d77d7-0000 (marathon) at 
scheduler-66a67553-0692-40b0-b29e-e7f342b6a241@10.99.50.2:40487

Mar 14 09:56:49 mario mesos-master[23570]: I0314 09:56:49.441658 23602 
master.cpp:5371] Telling agent 2215ab84-177b-478b-ab62-4453803fde6c-S6 
at slave(1)@10.99.50.3:5051 (zelda.service.domain.com) to kill task 
pub_api_oecd-rest-api-on-port-20015.196f414a-f61f-11e7-856c-f6e84742f1ef 
of framework 346d7333-a980-43a8-93ab-343ea12d77d7-0000 (marathon) at 
scheduler-66a67553-0692-40b0-b29e-e7f342b6a241@10.99.50.2:40487

Mar 14 09:57:09 mario mesos-master[23570]: I0314 09:57:09.441529 23607 
master.cpp:5297] Processing KILL call for task 
'pub_api_oecd-rest-api-on-port-20015.196f414a-f61f-11e7-856c-f6e84742f1ef' 
of framework 346d7333-a980-43a8-93ab-343ea12d77d7-0000 (marathon) at 
scheduler-66a67553-0692-40b0-b29e-e7f342b6a241@10.99.50.2:40487

Mar 14 09:57:09 mario mesos-master[23570]: I0314 09:57:09.441617 23607 
master.cpp:5371] Telling agent 2215ab84-177b-478b-ab62-4453803fde6c-S6 
at slave(1)@10.99.50.3:5051 (zelda.service.domain.com) to kill task 
pub_api_oecd-rest-api-on-port-20015.196f414a-f61f-11e7-856c-f6e84742f1ef 
of framework 346d7333-a980-43a8-93ab-343ea12d77d7-0000 (marathon) at 
scheduler-66a67553-0692-40b0-b29e-e7f342b6a241@10.99.50.2:40487


Could you please tell me how to "purge" them from Mesos master ?

Thanks in advance,

Adam.