As a followup to this, here's what I see when the Samza app tries to start;
it actually seems to be getting to the run-container script, and then stops:


Kafka version : 0.11.0.2
Kafka commitId : 73be1e1168f91ee2
Error registering AppInfo mbean
Started coordinator stream writer.
sent SetConfig message with key = samza.autoscaling.server.url and value =
http://ba6ecb67825e:34205/
Stopping the coordinator stream producer.
Stopping coordinator stream producer.
Stopping producer for system: kafka
Closing the Kafka producer with timeoutMillis = 9223372036854775807 ms.
Webapp is started at (rpc http://ba6ecb67825e:35629/, tracking
http://ba6ecb67825e:34151/, coordinator http://ba6ecb67825e:34205/)
Starting YarnContainerManager.
Upper bound of the thread pool size is 500
yarn.client.max-cached-nodemanagers-proxies : 0
Got AM register response. The YARN RM supports container requests with
max-mem: 8192, max-cpu: 32
Finished starting YarnContainerManager
Starting the Samza task manager
Resource Request created for 0 on ANY_HOST at 1557268807252
Requesting resources on  ANY_HOST for container 0
Making a request for ANY_HOST
Starting the container allocator thread
Received new token for : ip-10-60-31-121.us-west-2.compute.internal:8032
Container allocated from RM on ip-10-60-31-121.us-west-2.compute.internal
Container allocated from RM on ip-10-60-31-121.us-west-2.compute.internal
Host affinity not enabled. Saving the samzaResource
container_e39_1557265340810_0003_01_000002 in the buffer for ANY_HOST
Returning a buffered resource: container_e39_1557265340810_0003_01_000002
for ANY_HOST from preferred-host buffer.
Returning a buffered resource: container_e39_1557265340810_0003_01_000002
for ANY_HOST from preferred-host buffer.
Cancelling request SamzaResourceRequest{numCores=4, memoryMB=8192,
preferredHost='ANY_HOST', requestID='1507e2c5-e437-409b-821c-ef505ee19b85',
containerID=0, requestTimestampMs=1557268807252}
Found available resources on ANY_HOST. Assigning request for container_id 0
with timestamp 1557268807252 to resource
container_e39_1557265340810_0003_01_000002
Received launch request for 0 on hostname
ip-10-60-31-121.us-west-2.compute.internal
Got available container ID (0) for container: Container: [ContainerId:
container_e39_1557265340810_0003_01_000002, NodeId:
ip-10-60-31-121.us-west-2.compute.internal:8032, NodeHttpAddress:
ip-10-60-31-121.us-west-2.compute.internal:8088, Resource: <memory:8192,
vCores:4>, Priority: 1, Token: Token { kind: ContainerToken, service:
10.60.31.121:8032 }, ]
In runContainer in util: fwkPath= ;cmdPath=./__package/;jobLib=
Container ID 0 using command ./__package//bin/run-container.sh

Cheers,
Malcolm


On Tue, May 7, 2019 at 3:22 PM Malcolm McFarland <mmcfarl...@cavulus.com>
wrote:

> Hey folks,
>
> We're having some trouble running Samza under YARN. The YARN
> containers are launching fully into the RUNNING state, and I can see
> in the node manager logs that the containers are running, but my logs
> are showing that Samza is not actually starting inside of the
> container. What's really curious is that this is intermittent;
> everything will launch fine one time, and then it will do this
> RUNNING-but-no-Samza thing the next.
>
> I've been trying to get into the AM UI to see what's going on, but I
> see the following error when I try accessing it:
>
> Problem accessing /proxy/application_1557265340810_0002/. Reason:
>     Cannot assign requested address (Bind failed)
> Caused by:
> java.net.BindException: Cannot assign requested address (Bind failed)
>
> Has anybody seen this issue with the AM web interface? Also, are there
> any other ways that I could introspect the YARN container to try and
> deduce what's happening?
>
> Cheers,
> Malcolm
>
>
> --
> Malcolm McFarland
> Cavulus
>
>
> This correspondence is from HealthPlanCRM, LLC, d/b/a Cavulus. Any
> unauthorized or improper disclosure, copying, distribution, or use of
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> in this message is intended only for the personal and confidential use
> of the recipient(s) named above. If you have received this message in
> error, please notify the sender immediately and delete the original
> message.
>


-- 
Malcolm McFarland
Cavulus
1-800-760-6915
mmcfarl...@cavulus.com


This correspondence is from HealthPlanCRM, LLC, d/b/a Cavulus. Any
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