Charles Allen created MESOS-8158:
------------------------------------
Summary: Mesos Agent in docker neglects to retry discovering Task
docker containers
Key: MESOS-8158
URL: https://issues.apache.org/jira/browse/MESOS-8158
Project: Mesos
Issue Type: Bug
Components: agent, containerization, docker, executor
Affects Versions: 1.4.0
Environment: Windows 10 with Docker version 17.09.0-ce, build afdb6d4
Reporter: Charles Allen
Priority: Normal
I have attempted to launch Mesos agents inside of a docker container in such a
way where the agent docker can be replaced and recovered. Unfortunately I hit a
major snag in the way the mesos docker launching works.
To test simple functionality a marathon app is setup that simply has the
following command: {{date && python -m SimpleHTTPServer $PORT0}}
That way the HTTP port can be accessed to assure things are being assigned
correctly, and the date is printed out in the log.
When I attempt to start this marathon app, the mesos agent (inside a docker
container) properly launches an executor which properly creates a second task
that launches the python code. Here's the output from the executor logs (this
looks correct):
{code}
I1101 20:34:03.420210 68270 exec.cpp:162] Version: 1.4.0
I1101 20:34:03.427455 68281 exec.cpp:237] Executor registered on agent
d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0
I1101 20:34:03.428414 68283 executor.cpp:120] Registered docker executor on
10.0.75.2
I1101 20:34:03.428680 68281 executor.cpp:160] Starting task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002
I1101 20:34:03.428941 68281 docker.cpp:1080] Running docker -H
unix:///var/run/docker.sock run --cpu-shares 1024 --memory 134217728 -e
HOST=10.0.75.2 -e MARATHON_APP_DOCKER_IMAGE=python:2 -e
MARATHON_APP_ID=/testapp -e MARATHON_APP_LABELS= -e MARATHON_APP_RESOURCE_CPUS
=1.0 -e MARATHON_APP_RESOURCE_DISK=0.0 -e MARATHON_APP_RESOURCE_GPUS=0 -e
MARATHON_APP_RESOURCE_MEM=128.0 -e
MARATHON_APP_VERSION=2017-11-01T20:33:44.869Z -e
MESOS_CONTAINER_NAME=mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75 -e
MESOS_SANDBOX=/mnt/mesos/sandbox -e MESOS_TA
SK_ID=testapp.fe35282f-bf43-11e7-a24b-0242ac110002 -e PORT=31464 -e PORT0=31464
-e PORTS=31464 -e PORT_10000=31464 -e PORT_HTTP=31464 -v
/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp
.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75:/mnt/mesos/sandbox
--net host --entrypoint /bin/sh --name
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
--label=MESOS_TASK_ID=testapp.fe35282f-bf43-11e7-a24b-0242ac110002 python:2 -c
date && p
ython -m SimpleHTTPServer $PORT0
I1101 20:34:03.430402 68281 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
I1101 20:34:03.520303 68286 docker.cpp:1290] Retrying inspect with non-zero
status code. cmd: 'docker -H unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75', interval: 500ms
I1101 20:34:04.021216 68288 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
I1101 20:34:04.124490 68281 docker.cpp:1290] Retrying inspect with non-zero
status code. cmd: 'docker -H unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75', interval: 500ms
I1101 20:34:04.624964 68288 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
I1101 20:34:04.934087 68286 docker.cpp:1345] Retrying inspect since container
not yet started. cmd: 'docker -H unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75', interval: 500ms
I1101 20:34:05.435145 68288 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
Wed Nov 1 20:34:06 UTC 2017
{code}
But, somehow there is a TASK_FAILED message sent to marathon.
Upon further investigation, the following snippet can be found in the agent
logs (running in a docker container)
{code}
I1101 20:34:00.949129 9 slave.cpp:1736] Got assigned task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' for framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:00.950150 9 gc.cpp:93] Unscheduling
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001'
from gc
I1101 20:34:00.950225 9 gc.cpp:93] Unscheduling
'/var/run/mesos/meta/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001'
from gc
I1101 20:34:00.950472 12 slave.cpp:2003] Authorizing task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' for framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:00.951210 12 slave.cpp:2171] Launching task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' for framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:00.952265 12 paths.cpp:578] Trying to chown
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec7
5' to user 'root'
I1101 20:34:00.952733 12 slave.cpp:7256] Launching executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 with resources
[{"allocation_info":{"role":"*"},"name":"cpus","scalar":{"value":0.1},"type":"SCALAR"},{"a
llocation_info":{"role":"*"},"name":"mem","scalar":{"value":32.0},"type":"SCALAR"}]
in work directory
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac1100
02/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75'
I1101 20:34:00.953045 12 slave.cpp:2858] Launching container
84f9ae30-9d4c-484a-860c-ca7845b7ec75 for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:00.955057 6 docker.cpp:1136] Starting container
'84f9ae30-9d4c-484a-860c-ca7845b7ec75' for task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' (and executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002') of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45
-0001
I1101 20:34:00.955263 12 slave.cpp:2400] Queued task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:00.955965 6 docker.cpp:1531] Running docker -H
unix:///var/run/docker.sock inspect python:2
I1101 20:34:01.037293 8 docker.cpp:454] Docker pull python:2 completed
I1101 20:34:01.038180 8 docker.cpp:1080] Running docker -H
unix:///var/run/docker.sock run --cpu-shares 1126 --memory 167772160 -e
LIBPROCESS_IP=10.0.75.2 -e LIBPROCESS_PORT=0 -e
MESOS_AGENT_ENDPOINT=10.0.75.2:5051 -e MESOS_CHECKPOINT=1 -e
MESOS_CONTAINER_NAME=mesos
-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor -e
MESOS_DIRECTORY=/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca784
5b7ec75 -e MESOS_EXECUTOR_ID=testapp.fe35282f-bf43-11e7-a24b-0242ac110002 -e
MESOS_EXECUTOR_SHUTDOWN_GRACE_PERIOD=5secs -e
MESOS_FRAMEWORK_ID=a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 -e
MESOS_HTTP_COMMAND_EXECUTOR=0 -e
MESOS_NATIVE_JAVA_LIBRARY=/usr/lib/libmesos-1.4.0.
so -e MESOS_NATIVE_LIBRARY=/usr/lib/libmesos-1.4.0.so -e
MESOS_RECOVERY_TIMEOUT=15mins -e MESOS_SANDBOX=/mnt/mesos/sandbox -e
MESOS_SLAVE_ID=d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0 -e
MESOS_SLAVE_PID=slave(1)@10.0.75.2:5051 -e MESOS_SUBSCRIPTION_BACKOFF_MAX=2secs
-v /va
r/run/docker.sock:/var/run/docker.sock:ro -v
/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75:/var/run/meso
s/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75:rw
-v /var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/fra
meworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75:/mnt/mesos/sandbox
--net host --name mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor
--pid=host --cap-add=SYS_ADMIN --c
ap-add=SYS_PTRACE mesos-docker /usr/libexec/mesos/mesos-docker-executor
--cgroups_enable_cfs=false
--container=mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75 --docker=docker
--docker_socket=/var/run/docker.sock --help=false
--initialize_driver_logging=true --launcher_dir=/u
sr/libexec/mesos --logbufsecs=0 --logging_level=INFO
--mapped_directory=/mnt/mesos/sandbox --quiet=false
--sandbox_directory=/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf4
3-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75
--stop_timeout=0ns
I1101 20:34:01.040096 8 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor
I1101 20:34:01.138551 5 docker.cpp:1290] Retrying inspect with non-zero
status code. cmd: 'docker -H unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor', interval: 1secs
I1101 20:34:02.138964 13 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor
I1101 20:34:03.423805 5 slave.cpp:3935] Got registration for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 from executor(1)@10.0.75.2:35675
I1101 20:34:03.424316 5 docker.cpp:1616] Ignoring updating container
84f9ae30-9d4c-484a-860c-ca7845b7ec75 because resources passed to update are
identical to existing resources
I1101 20:34:03.424396 5 slave.cpp:2605] Sending queued task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' to executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 at executor(1)@10.0.75.2:35675
I1101 20:34:04.052783 11 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
E1101 20:34:04.156435 12 slave.cpp:5292] Container
'84f9ae30-9d4c-484a-860c-ca7845b7ec75' for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 failed to start: Failed to run
'docker -H unix:///var/run/dock
er.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75': exited with status
1; stderr='Error: No such object: mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
'
I1101 20:34:04.156497 12 docker.cpp:2078] Container
84f9ae30-9d4c-484a-860c-ca7845b7ec75 launch failed
I1101 20:34:04.156622 7 slave.cpp:5405] Executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 has terminated with unknown status
I1101 20:34:04.156958 7 slave.cpp:4399] Handling status update TASK_FAILED
(UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 from @0.0.0.0:0
E1101 20:34:04.157133 7 slave.cpp:4721] Failed to update resources for
container 84f9ae30-9d4c-484a-860c-ca7845b7ec75 of executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' running task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 on status update for terminal t
ask, destroying container: Container not found
W1101 20:34:04.157173 11 composing.cpp:582] Attempted to destroy unknown
container 84f9ae30-9d4c-484a-860c-ca7845b7ec75
I1101 20:34:04.159068 12 status_update_manager.cpp:323] Received status
update TASK_FAILED (UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:04.159276 12 status_update_manager.cpp:834] Checkpointing UPDATE
for status update TASK_FAILED (UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for
task testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:04.159399 12 slave.cpp:4880] Forwarding the update TASK_FAILED
(UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 to [email protected]:5050
I1101 20:34:04.294680 8 status_update_manager.cpp:395] Received status
update acknowledgement (UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:04.294747 8 status_update_manager.cpp:834] Checkpointing ACK
for status update TASK_FAILED (UUID: 32c43a03-cede-49f8-9676-fd9411382c58) for
task testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:04.294945 8 slave.cpp:5516] Cleaning up executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 at executor(1)@10.0.75.2:35675
I1101 20:34:04.295308 8 slave.cpp:5612] Cleaning up framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:04.295418 8 gc.cpp:59] Scheduling
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75'
for gc
6.99999658438519days in the future
I1101 20:34:04.295459 8 gc.cpp:59] Scheduling
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002'
for gc 6.99999658329778days in the future
I1101 20:34:04.295481 8 gc.cpp:59] Scheduling
'/var/run/mesos/meta/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002/runs/84f9ae30-9d4c-484a-860c-ca7845b7ec75'
f
or gc 6.99999658267259days in the future
I1101 20:34:04.295516 8 gc.cpp:59] Scheduling
'/var/run/mesos/meta/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001/executors/testapp.fe35282f-bf43-11e7-a24b-0242ac110002'
for gc 6.99999658223407days in the future
I1101 20:34:04.295537 8 gc.cpp:59] Scheduling
'/var/run/mesos/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001'
for gc 6.99999658143407days in the future
I1101 20:34:04.295558 8 gc.cpp:59] Scheduling
'/var/run/mesos/meta/slaves/d9bb6e96-ee26-43c2-977e-0c404fdd4e81-S0/frameworks/a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001'
for gc 6.9999965810637days in the future
I1101 20:34:04.295581 8 status_update_manager.cpp:285] Closing status
update streams for framework a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001
I1101 20:34:06.748510 5 slave.cpp:4399] Handling status update TASK_RUNNING
(UUID: 001f20d1-fe18-4cb0-9b39-cb9cd3cb9741) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 from executor(1)@10.0.75.2:35675
W1101 20:34:06.748546 5 slave.cpp:4455] Ignoring status update TASK_RUNNING
(UUID: 001f20d1-fe18-4cb0-9b39-cb9cd3cb9741) for task
testapp.fe35282f-bf43-11e7-a24b-0242ac110002 of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 for unknown framework a5eb6da1-f8ac-
4642-8d66-cdd2e5b14d45-0001
I1101 20:34:45.960857 9 slave.cpp:5828] Framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 seems to have exited. Ignoring
registration timeout for executor 'testapp.f53fc2ce-bf43-11e7-a24b-0242ac110002'
I1101 20:34:52.039710 12 slave.cpp:5920] Current disk usage 0.50%. Max
allowed age: 6.265284309533982days
I1101 20:35:00.955883 12 slave.cpp:5828] Framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 seems to have exited. Ignoring
registration timeout for executor 'testapp.fe35282f-bf43-11e7-a24b-0242ac110002'
I1101 20:35:52.040870 11 slave.cpp:5920] Current disk usage 0.50%. Max
allowed age: 6.265284309533982days
I1101 20:36:52.041280 5 slave.cpp:5920] Current disk usage 0.50%. Max
allowed age: 6.265284309533982days
I1101 20:37:52.042034 11 slave.cpp:5920] Current disk usage 0.50%. Max
allowed age: 6.265284309533982days
{code}
Of particular note is the following line:
{code}
I1101 20:34:01.138551 5 docker.cpp:1290] Retrying inspect with non-zero
status code. cmd: 'docker -H unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor', interval: 1secs
I1101 20:34:02.138964 13 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect
mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75.executor
I1101 20:34:03.423805 5 slave.cpp:3935] Got registration for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 from executor(1)@10.0.75.2:35675
I1101 20:34:03.424316 5 docker.cpp:1616] Ignoring updating container
84f9ae30-9d4c-484a-860c-ca7845b7ec75 because resources passed to update are
identical to existing resources
I1101 20:34:03.424396 5 slave.cpp:2605] Sending queued task
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' to executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 at executor(1)@10.0.75.2:35675
I1101 20:34:04.052783 11 docker.cpp:1243] Running docker -H
unix:///var/run/docker.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
E1101 20:34:04.156435 12 slave.cpp:5292] Container
'84f9ae30-9d4c-484a-860c-ca7845b7ec75' for executor
'testapp.fe35282f-bf43-11e7-a24b-0242ac110002' of framework
a5eb6da1-f8ac-4642-8d66-cdd2e5b14d45-0001 failed to start: Failed to run
'docker -H unix:///var/run/dock
er.sock inspect mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75': exited with status
1; stderr='Error: No such object: mesos-84f9ae30-9d4c-484a-860c-ca7845b7ec75
'
{code}
For some reason it seems like the AGENT is trying to connect to the TASK docker
container in addition to the executor container, and is failing to find it and
instantly dying instead of obeying a retry mechanism. I do not have an
environment setup to trace the code path of this error state, but the expected
behavior is either that the Agent leaves it to the executor to track the task,
or that the agent respects retries. Neither of which seem to be happening here.
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