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From Arbi Akhina <>
Subject Re: Cannot find the logs of failed Samza's containers/job
Date Thu, 20 Nov 2014 10:06:35 GMT
Hi Chris,
I can see the following samza jars under the lib folder of the generated


for some reason the samaza-api.jar is not included even if it's referenced
in my pom.xml.
Here is a link to the samza project


On Thu, Nov 20, 2014 at 12:03 AM, Chris Riccomini <> wrote:

> Hey Arbi,
> If you're missing the samza-api JAR, you're probably missing the rest as
> well, which would cause the job to fail. I recommend taking a look at
> what's in your job's .tgz file. In the lib directory, there should be a
> bunch of JARs, including samza-api, samza-core, etc. If there's not, you
> have a problem with your package assembly. This can be fixed by updating
> the assembly/src.xml file accordingly.
> Cheers,
> Chris
> On 11/19/14 2:53 PM, "Arbi Akhina" <> wrote:
> >Hi,
> >I'm having trouble getting to work a modified version of the of
> >hello-samza
> >(i just replaced the 3 wikipedia streaming tasks with my own task).
> >
> >When I do *mvn clean package* and then extract the generated tar.gz file I
> >can't find samza-api.jar & sl4j-api.jar under the lib folder which cause
> >the failure of the submission (i.e. with a class not found
> >exception.
> >
> >I had to add these jars manually so that the submission works but then on
> >the ResourceManger's UI I see the job as failed (containers exiting with
> >something like -1000). I can't find the logs left by the app master or any
> >one of the containers. I'm enabling logs aggregation, on hdfs I can see a
> >log file with a name like appId_hostname_port.log but *yarn logs
> >-applicarionId <appId>* prints just the content of the classpath.
> >
> >Any hint that could help investigating this issue?
> >
> >bests

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