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? >>> >>
