Hi Tarang, Details about the issue you brought up can be found in KAFKA-1004.
Guozhang On Mon, Nov 25, 2013 at 7:43 AM, Jun Rao <jun...@gmail.com> wrote: > If you use the latest code from the 0.8 branch, you should be able to start > the consumer before a topic is created. > > Thanks, > > Jun > > > On Sun, Nov 24, 2013 at 8:14 PM, Tarang Dawer <tarang.da...@gmail.com > >wrote: > > > okay > > > > is it necessary that a topic should be created first before a consumer is > > started to listen from that topic ? > > or we can start the consumer 1st before the topic has been created ? > > > > > > On Fri, Nov 22, 2013 at 8:53 PM, Jun Rao <jun...@gmail.com> wrote: > > > > > That error means the consumer has never checkpointed any offset in ZK. > > > > > > Thanks, > > > > > > Jun > > > > > > > > > On Thu, Nov 21, 2013 at 10:31 PM, Tarang Dawer <tarang.da...@gmail.com > > > >wrote: > > > > > > > Hi Jun > > > > > > > > I tried the ConsumerOffsetChecker script for checking the offsets > > > > > > > > but there also , got an exception , with no information regarding the > > > > offset. Although when i start the consumer for the second time, it > > > consumed > > > > the data, but still same response from the offset checker script. > > > > > > > > Please find the debug- level trace of the console output below. > > > > > > > > > > > > bin/kafka-run-class.sh kafka.tools.ConsumerOffsetChecker \--group > > > > consumerGroup675437777 \--zkconnect 192.168.145.144:2181 \--topic > > > > test-topic; > > > > [2013-11-22 11:55:52,098] DEBUG Creating new ZookKeeper instance to > > > connect > > > > to 192.168.145.144:2181. (org.I0Itec.zkclient.ZkConnection) > > > > [2013-11-22 11:55:52,098] INFO Starting ZkClient event thread. > > > > (org.I0Itec.zkclient.ZkEventThread) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > environment:zookeeper.version=3.3.3-1203054, built on 11/17/2011 > 05:47 > > > GMT > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:host.name > > > > =hadoop-namenode > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > environment:java.version=1.6.0_33 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:java.vendor=Sun > > > > Microsystems Inc. (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > environment:java.home=/usr/java/jdk1.6.0_33/jre > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > > > > > > > > > > > environment:java.class.path=:bin/../core/target/scala-2.8.0/*.jar:bin/../perf/target/scala-2.8.0/kafka*.jar:bin/../libs/jopt-simple-3.2.jar:bin/../libs/log4j-1.2.15.jar:bin/../libs/metrics-annotation-2.2.0.jar:bin/../libs/metrics-core-2.2.0.jar:bin/../libs/scala-compiler.jar:bin/../libs/scala-library.jar:bin/../libs/slf4j-api-1.7.2.jar:bin/../libs/slf4j-simple-1.6.4.jar:bin/../libs/snappy-java-1.0.4.1.jar:bin/../libs/zkclient-0.3.jar:bin/../libs/zookeeper-3.3.4.jar:bin/../kafka_2.8.0-0.8.0-beta1.jar > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > > > > > > > > > > > environment:java.library.path=/usr/java/jdk1.6.0_33/jre/lib/amd64/server:/usr/java/jdk1.6.0_33/jre/lib/amd64:/usr/java/jdk1.6.0_33/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:java.io.tmpdir=/tmp > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:java.compiler=<NA> > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:os.name=Linux > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:os.arch=amd64 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > environment:os.version=2.6.32-279.el6.x86_64 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client environment:user.name=impadmin > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > environment:user.home=/home/impadmin > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,103] INFO Client > > > > environment:user.dir=/home/impadmin/Software/kafka_2.8.0-0.8.0-beta1 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,104] INFO Initiating client connection, > > > connectString= > > > > 192.168.145.144:2181 sessionTimeout=30000 > > > > watcher=org.I0Itec.zkclient.ZkClient@6825c828 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:52,105] DEBUG zookeeper.disableAutoWatchReset is > > false > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:52,299] DEBUG Awaiting connection to Zookeeper > server > > > > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:52,299] INFO Opening socket connection to server / > > > > 192.168.145.144:2181 (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:52,299] DEBUG Waiting for keeper state > SyncConnected > > > > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:52,370] INFO Socket connection established to > > > > hadoop-namenode/192.168.145.144:2181, initiating session > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:52,372] DEBUG Session establishment request sent on > > > > hadoop-namenode/192.168.145.144:2181(org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:52,466] INFO Session establishment complete on > server > > > > hadoop-namenode/192.168.145.144:2181, sessionid = 0x1427e69d4ca0012, > > > > negotiated timeout = 30000 (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:52,467] DEBUG Received event: WatchedEvent > > > > state:SyncConnected type:None path:null > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:52,467] INFO zookeeper state changed > (SyncConnected) > > > > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:52,467] DEBUG Leaving process event > > > > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:52,467] DEBUG State is SyncConnected > > > > (org.I0Itec.zkclient.ZkClient) > > > > Group Topic Pid Offset > > > > logSize Lag Owner > > > > [2013-11-22 11:55:53,002] DEBUG Reading reply > > > sessionid:0x1427e69d4ca0012, > > > > packet:: clientPath:null serverPath:null finished:false header:: 1,4 > > > > replyHeader:: 1,298,0 request:: '/brokers/topics/test-topic,F > > > response:: > > > > > > > > > > > > > > #7b2022706172746974696f6e73223a7b202230223a5b2030205d2c202231223a5b2030205d207d2c202276657273696f6e223a31207d,s{122,122,1385100378749,1385100378749,0,1,0,0,54,1,125} > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,472] DEBUG Reading reply > > > sessionid:0x1427e69d4ca0012, > > > > packet:: clientPath:null serverPath:null finished:false header:: 2,4 > > > > replyHeader:: 2,304,-101 request:: > > > > '/consumers/consumerGroup675437777/offsets/test-topic/0,F response:: > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,478] DEBUG Closing ZkClient... > > > > (org.I0Itec.zkclient.ZkClient) > > > > [2013-11-22 11:55:53,478] INFO Terminate ZkClient event thread. > > > > (org.I0Itec.zkclient.ZkEventThread) > > > > [2013-11-22 11:55:53,479] DEBUG Closing ZooKeeper connected to > > > > 192.168.145.144:2181 (org.I0Itec.zkclient.ZkConnection) > > > > [2013-11-22 11:55:53,479] DEBUG Closing session: 0x1427e69d4ca0012 > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:53,479] DEBUG Closing client for session: > > > > 0x1427e69d4ca0012 (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,501] DEBUG Reading reply > > > sessionid:0x1427e69d4ca0012, > > > > packet:: clientPath:null serverPath:null finished:false header:: > 3,-11 > > > > replyHeader:: 3,307,0 request:: null response:: null > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,501] DEBUG An exception was thrown while closing > > > send > > > > thread for session 0x1427e69d4ca0012 : Unable to read additional data > > > from > > > > server sessionid 0x1427e69d4ca0012, likely server has closed socket > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,501] DEBUG Disconnecting client for session: > > > > 0x1427e69d4ca0012 (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,502] INFO Session: 0x1427e69d4ca0012 closed > > > > (org.apache.zookeeper.ZooKeeper) > > > > [2013-11-22 11:55:53,502] INFO EventThread shut down > > > > (org.apache.zookeeper.ClientCnxn) > > > > [2013-11-22 11:55:53,502] DEBUG Closing ZkClient...done > > > > (org.I0Itec.zkclient.ZkClient) > > > > Exception in thread "main" > > > org.I0Itec.zkclient.exception.ZkNoNodeException: > > > > org.apache.zookeeper.KeeperException$NoNodeException: > KeeperErrorCode = > > > > NoNode for /consumers/consumerGroup675437777/offsets/test-topic/0 > > > > at > > > > org.I0Itec.zkclient.exception.ZkException.create(ZkException.java:47) > > > > at > > > org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:685) > > > > at org.I0Itec.zkclient.ZkClient.readData(ZkClient.java:766) > > > > at org.I0Itec.zkclient.ZkClient.readData(ZkClient.java:761) > > > > at kafka.utils.ZkUtils$.readData(ZkUtils.scala:407) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$.kafka$tools$ConsumerOffsetChecker$$processPartition(ConsumerOffsetChecker.scala:59) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$$anonfun$kafka$tools$ConsumerOffsetChecker$$processTopic$1.apply$mcVI$sp(ConsumerOffsetChecker.scala:90) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$$anonfun$kafka$tools$ConsumerOffsetChecker$$processTopic$1.apply(ConsumerOffsetChecker.scala:90) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$$anonfun$kafka$tools$ConsumerOffsetChecker$$processTopic$1.apply(ConsumerOffsetChecker.scala:90) > > > > at > > > > > > > > > > > > > > scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:61) > > > > at scala.collection.immutable.List.foreach(List.scala:45) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$.kafka$tools$ConsumerOffsetChecker$$processTopic(ConsumerOffsetChecker.scala:89) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$$anonfun$main$3.apply(ConsumerOffsetChecker.scala:154) > > > > at > > > > > > > > > > > > > > kafka.tools.ConsumerOffsetChecker$$anonfun$main$3.apply(ConsumerOffsetChecker.scala:154) > > > > at > > > > > > > > > > > > > > scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:61) > > > > at scala.collection.immutable.List.foreach(List.scala:45) > > > > at > > > > > > kafka.tools.ConsumerOffsetChecker$.main(ConsumerOffsetChecker.scala:153) > > > > at > > > kafka.tools.ConsumerOffsetChecker.main(ConsumerOffsetChecker.scala) > > > > Caused by: org.apache.zookeeper.KeeperException$NoNodeException: > > > > KeeperErrorCode = NoNode for > > > > /consumers/consumerGroup675437777/offsets/test-topic/0 > > > > at > > > > org.apache.zookeeper.KeeperException.create(KeeperException.java:102) > > > > at > > > org.apache.zookeeper.KeeperException.create(KeeperException.java:42) > > > > at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:927) > > > > at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:956) > > > > at > org.I0Itec.zkclient.ZkConnection.readData(ZkConnection.java:103) > > > > at org.I0Itec.zkclient.ZkClient$9.call(ZkClient.java:770) > > > > at org.I0Itec.zkclient.ZkClient$9.call(ZkClient.java:766) > > > > at > > > org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:675) > > > > ... 16 more > > > > > > > > > > > > > > > > On Thu, Nov 21, 2013 at 9:58 PM, Jun Rao <jun...@gmail.com> wrote: > > > > > > > > > When it doesn't consume which offset is in the fetch request? You > can > > > > find > > > > > out from the request log in the broker. > > > > > > > > > > Thanks, > > > > > > > > > > Jun > > > > > > > > > > > > > > > On Thu, Nov 21, 2013 at 5:17 AM, Tarang Dawer < > > tarang.da...@gmail.com > > > > > >wrote: > > > > > > > > > > > Hello > > > > > > > > > > > > I am running a kafka 0.8 consumer with the following > configuration > > : > > > - > > > > > > > > > > > > fetch.size=1000000000 > > > > > > zookeeper.session.timeout.ms=60000 > > > > > > auto.offset.reset=smallest > > > > > > zookeeper.sync.time.ms=200 > > > > > > auto.commit.enable=false > > > > > > > > > > > > i am doing manual increment of the offsets. > > > > > > > > > > > > while doing so, i am facing a problem as when i clear all the > > kafka & > > > > > > zookeeper logs, and start the consumer, the consumer sometimes > > shows > > > > > > inconsistent behaviour, sometimes it starts consuming, sometimes > > it > > > > > > doesn't. > > > > > > if it doesn't then i kill the consumer and restart it again, only > > > then > > > > > the > > > > > > consumption starts. > > > > > > > > > > > > i am quite confused with the consumer behaviour. could somebody > > > please > > > > > help > > > > > > me out as to how and where am i going wrong ? > > > > > > > > > > > > Thanks & Regards > > > > > > Tarang Dawer > > > > > > > > > > > > > > > > > > > > > -- -- Guozhang