Looks like this particular block runs forever.. @AbstractCoordinator.class
/** * Block until the coordinator for this group is known. */ public void ensureCoordinatorKnown() { while (coordinatorUnknown()) { RequestFuture<Void> future = sendGroupMetadataRequest(); client.poll(future); if (future.failed()) { if (future.isRetriable()) client.awaitMetadataUpdate(); else throw future.exception(); } } } @ ConsumerNetworkClient class "*requestsSent *returns* false @*trySend()*" *any idea? *@ ConsumerNetworkClient.class* private boolean trySend(long now) { // send any requests that can be sent now boolean requestsSent = false; for (Map.Entry<Node, List<ClientRequest>> requestEntry: unsent.entrySet()) { Node node = requestEntry.getKey(); Iterator<ClientRequest> iterator = requestEntry .getValue().iterator(); while (iterator.hasNext()) { ClientRequest request = iterator.next(); if (client.ready(node, now)) { client.send(request, now); iterator.remove(); requestsSent = true; } } } return requestsSent; On 30 March 2016 at 11:41, Ratha v <vijayara...@gmail.com> wrote: > And no error logs at kafka server..I expect any exception from my end, but > I'm not getting any exception :( > > On 30 March 2016 at 11:39, Ratha v <vijayara...@gmail.com> wrote: > >> Hi Shrijeet ; >> I checked the kafka communication layer,( tcp dumps) and I can see >> some packets are received by kafka server.. >> That means communication works fine. >> >> Only issue is in my polling:( >> >> *Thanks..* >> >> On 30 March 2016 at 10:54, Shrijeet Paliwal <shrijeet.pali...@gmail.com> >> wrote: >> >>> The consumer script is using old consumer which connects via zookeeper, >>> so >>> its not the same. The reason I asked because I recall poll(timeout) >>> getting >>> stuck forever if it can't reach broker. >>> >>> -- >>> Shrijeet >>> >>> On Tue, Mar 29, 2016 at 4:51 PM, Ratha v <vijayara...@gmail.com> wrote: >>> >>> > Yes... (I checked, hostname and port, and i believe thats correct >>> because >>> > consumer.sh script also working?) >>> > #* ./kafka-console-consumer.sh --zookeeper xxx:2181 --topic mytopic* >>> > >>> > On 30 March 2016 at 10:29, Shrijeet Paliwal < >>> shrijeet.pali...@gmail.com> >>> > wrote: >>> > >>> > > On Tue, Mar 29, 2016 at 4:19 PM, Ratha v <vijayara...@gmail.com> >>> wrote: >>> > > >>> > > > 9092 >>> > > >>> > > >>> > > Are your brokers listening at this port? >>> > > >>> > > -- >>> > > Shrijeet >>> > > >>> > >>> > >>> > >>> > -- >>> > -Ratha >>> > http://vvratha.blogspot.com/ >>> > >>> >> >> >> >> -- >> -Ratha >> http://vvratha.blogspot.com/ >> > > > > -- > -Ratha > http://vvratha.blogspot.com/ > -- -Ratha http://vvratha.blogspot.com/