Hi Jeff, I haven't tried this out, but I am planning to. Just a quick question : We have TestHarness in Kafka that brings up Kafka and Zookeeper and also tears them down. Have you tried using it?
Thanks, Mayuresh On Fri, Jul 10, 2015 at 10:09 AM, Jeff Gong <j.gon...@gmail.com> wrote: > To follow up and provide a little more context on my second bullet point, > when I run any command for the first time on command line that requires > connecting to this code instantiated ZK server I get the specific error: > > > bin/kafka-topics.sh --list --zookeeper localhost:2181 > > java.net.ConnectException: Connection refused > > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > > at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) > > at > > org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) > > at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) > > > But after that it looks like a reconnect is attempted, which succeeds and > I'll get a list of my topics or my console consumer will succeed, etc. If I > were to run any of those commands a second time, this error then > disappears. Anyone have any ideas? > > On Thu, Jul 9, 2015 at 4:20 PM, Jeff Gong <j.gon...@gmail.com> wrote: > > > Hey Gwen, > > > > Thanks for your response. The example was very helpful and exactly what I > > was looking for! I went ahead and used that as an example and while most > > things are working as I wanted, there are a few issues I'd like to follow > > up on: > > > > 1. If I launch a Zookeeper/Kafka server from code instead of command > line, > > most of the helpful debugging/status messages will not be displayed -- is > > there any way I can retain this functionality? > > > > 2. I created a scenario where I successfully launched a Zookeeper > instance > > from code, then connected to that Zookeeper server using a Kafka Server > via > > command line. I then instantiated both a Kafka-Console-Consumer and > > Kafka-Console-Producer with the topic 'test'. I was able to send messages > > to the consumer as expected, but I noticed that when I try to connect the > > console consumer to the server I always get a 'Connection Refused' error > to > > my Kafka Broker. Any ideas why this might be occuring? > > > > Best, > > Jeff > > > > > > > > On Tue, Jul 7, 2015 at 10:43 AM, Jeff Gong <j.gon...@gmail.com> wrote: > > > >> Hi all, > >> > >> Is it possible to launch Kafka/Zookeeper servers via some part of the > >> API? I noticed in this: > >> > http://stackoverflow.com/questions/16946778/how-can-we-create-a-topic-in-kafka-from-the-ide-using-api/ > >> that it seems to be possible to create a ZK instance and add a topic to > it, > >> but is this the same as launching the ZK server as we would in the > command > >> line? > >> > >> Similarly, would it be possible to do this for a Kafka server and have > it > >> connect to an existing ZK connection? > >> > >> Thanks! > >> > > > > > -- -Regards, Mayuresh R. Gharat (862) 250-7125
