Ok, there is warn msg in stdout says

18:52:13.492 [kafka-publisher] WARN  o.a.t.i.k.c.SimpleKafkaPublisher
- Broker list is empty. No Kafka producer is created.

will kafka be the problem here???


On Tue, Apr 18, 2017 at 7:33 PM, j lu <issljc...@gmail.com> wrote:

> Nah, in the web UI of container_002 log in stdout, there is no string show
> up when I type Hello World in the search box. It meant to be Hello World,
> my first distributed application, right??
>
> On Tue, Apr 18, 2017 at 7:20 PM, Terence Yim <cht...@gmail.com> wrote:
>
>> Hi,
>>
>> You don't need Kafka in your cluster as twill will start an embedded one
>> inside the Application Master. Besides the stderr, do you see a stdout?
>> Also, any logs from the client side?
>>
>> Terence
>>
>> Sent from my iPhone
>>
>> > On Apr 18, 2017, at 3:57 PM, j lu <issljc...@gmail.com> wrote:
>> >
>> > Nah, no luck. I check the stderr logs, there are some errors about kafka
>> > because there is no kafka in my machine. Could that be the reason why I
>> > don't get the Hello World msg?
>> >
>> >> On Mon, Apr 17, 2017 at 6:31 PM, Terence Yim <cht...@gmail.com> wrote:
>> >>
>> >> Hi,
>> >>
>> >> The log message should get collected and printed in the client side
>> process
>> >> (the one you launch the app). You should also be able to see the logs
>> from
>> >> the YARN container log of the runnable container (usually is the 00002
>> >> container, while the 00001 is the application master).
>> >>
>> >> Terence
>> >>
>> >>> On Mon, Apr 17, 2017 at 11:02 AM, j lu <issljc...@gmail.com> wrote:
>> >>>
>> >>> Forks, I am not sure this is the right place to say this. I am just
>> >> started
>> >>> playing with apache twill. When I try to run the hello world example.
>> It
>> >>> apears to be working. There is a HelloWorldRunnable application
>> appearing
>> >>> successful in the yarn webUI. But I couldnt find the INFO msg says
>> Hello
>> >>> World, this is my first distrubuted application. I tried the logs in
>> the
>> >>> yarn webUI. I also tried $(HADOOP_HOME)/logs no luck. Any help?
>> >>>
>> >>
>>
>
>

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