And stderr says sync.DefaultEventHandler: Failed to send producer request with correlation id 36 to broker 1 with data for partitions [log,0]
So is that because of the fact that some msg is not sent? By the way, Do u know of any ways that can be used to set the slf4j level to INFO(rather than debug) On Tue, Apr 18, 2017 at 7:55 PM, j lu <issljc...@gmail.com> wrote: > 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? >>> >>> >>> >> >>> >> >> >