Hi, Yi: you are right. After I add the producer.close(); the bug is fixed now.
Thanks a lot! Selina On Sun, Jul 26, 2015 at 10:28 PM, Yi Pan <nickpa...@gmail.com> wrote: > Hi, Selina, > > Did you forget to close your Kafka producer in your Http servlet? If you > create a new Kafka producer in each Http request and do not close the > producer, that might cause this problem. > > -Yi > > On Sun, Jul 26, 2015 at 9:25 PM, Job-Selina Wu <swucaree...@gmail.com> > wrote: > > > Hi, Yan: > > > > the kaka.log got *java.io.IOException: Too many open files in system* > > > > Some detail list below. > > > > Sincerely, > > Selina > > > > [2015-07-26 21:07:01,500] INFO Verifying properties > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,545] INFO Property broker.id is overridden to 0 > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,545] INFO Property log.cleaner.enable is > > overridden to false (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,545] INFO Property log.dirs is overridden to > > /tmp/kafka-logs (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,545] INFO Property > > log.retention.check.interval.ms is overridden to 300000 > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,546] INFO Property log.retention.hours is > > overridden to 168 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,546] INFO Property log.segment.bytes is > > overridden to 1073741824 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,546] INFO Property num.io.threads is overridden > > to 8 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,547] INFO Property num.network.threads is > > overridden to 3 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,547] INFO Property num.partitions is overridden > > to 1 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,547] INFO Property > > num.recovery.threads.per.data.dir is overridden to 1 > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,547] INFO Property port is overridden to 9092 > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,548] INFO Property socket.receive.buffer.bytes is > > overridden to 102400 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,548] INFO Property socket.request.max.bytes is > > overridden to 104857600 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,548] INFO Property socket.send.buffer.bytes is > > overridden to 102400 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,548] INFO Property zookeeper.connect is > > overridden to localhost:2181 (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,548] INFO Property > > zookeeper.connection.timeout.ms is overridden to 6000 > > (kafka.utils.VerifiableProperties) > > [2015-07-26 21:07:01,607] INFO [Kafka Server 0], starting > > (kafka.server.KafkaServer) > > [2015-07-26 21:07:01,608] INFO [Kafka Server 0], Connecting to > > zookeeper on localhost:2181 (kafka.server.KafkaServer) > > [2015-07-26 21:07:01,619] INFO Starting ZkClient event thread. > > (org.I0Itec.zkclient.ZkEventThread) > > [2015-07-26 21:07:01,631] INFO Client > > environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 > > GMT (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client > > environment:host.name=selinas-mbp.attlocal.net > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client > > environment:java.version=1.8.0_45 (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client environment:java.vendor=Oracle > > Corporation (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client > > > > > environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/jre > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client > > > > > environment:java.class.path=:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../core/build/dependant-libs-2.10.4*/*.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../examples/build/libs//kafka-examples*.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../contrib/hadoop-consumer/build/libs//kafka-hadoop-consumer*.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../contrib/hadoop-producer/build/libs//kafka-hadoop-producer*.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../clients/build/libs/kafka-clients*.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/jopt-simple-3.2.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka-clients-0.8.2.1.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka_2.10-0.8.2.1-javadoc.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka_2.10-0.8.2.1-scaladoc.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka_2.10-0.8.2.1-sources.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka_2.10-0.8.2.1-test.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/kafka_2.10-0.8.2.1.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/log4j-1.2.16.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/lz4-1.2.0.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/metrics-core-2.2.0.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/scala-library-2.10.4.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/slf4j-api-1.7.6.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/slf4j-log4j12-1.6.1.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/snappy-java-1.1.1.6.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/zkclient-0.3.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../libs/zookeeper-3.4.6.jar:/Users/selina/IdeaProjects/samza-Demo/deploy/kafka/bin/../core/build/libs/kafka_2.10*.jar > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,631] INFO Client > > > > > environment:java.library.path=/Users/selina/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:. > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client > > > > > environment:java.io.tmpdir=/var/folders/pj/f6r7cdgs7nv8lr03z7bbnbdc0000gn/T/ > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client environment:java.compiler=<NA> > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client environment:os.name=Mac OS X > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client environment:os.arch=x86_64 > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client environment:os.version=10.10.3 > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client environment:user.name=selina > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client > > environment:user.home=/Users/selina (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,634] INFO Client > > environment:user.dir=/Users/selina/IdeaProjects/samza-Demo/deploy/kafka > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,635] INFO Initiating client connection, > > connectString=localhost:2181 sessionTimeout=6000 > > watcher=org.I0Itec.zkclient.ZkClient@4d49af10 > > (org.apache.zookeeper.ZooKeeper) > > [2015-07-26 21:07:01,661] INFO Opening socket connection to server > > localhost/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using > > SASL (unknown error) (org.apache.zookeeper.ClientCnxn) > > [2015-07-26 21:07:01,742] INFO Socket connection established to > > localhost/0:0:0:0:0:0:0:1:2181, initiating session > > (org.apache.zookeeper.ClientCnxn) > > [2015-07-26 21:07:01,815] INFO Session establishment complete on > > server localhost/0:0:0:0:0:0:0:1:2181, sessionid = 0x14ecdb12e690000, > > negotiated timeout = 6000 (org.apache.zookeeper.ClientCnxn) > > [2015-07-26 21:07:01,816] INFO zookeeper state changed (SyncConnected) > > (org.I0Itec.zkclient.ZkClient) > > [2015-07-26 21:07:02,515] INFO Loading logs. (kafka.log.LogManager) > > [2015-07-26 21:07:02,585] INFO Completed load of log > > __samza_checkpoint_ver_1_for_demo-parser5_1-0 with log end offset 3 > > (kafka.log.Log) > > [2015-07-26 21:07:02,594] INFO Completed load of log > > __samza_checkpoint_ver_1_for_demo-parser6_1-0 with log end offset 12 > > (kafka.log.Log) > > [2015-07-26 21:07:02,599] INFO Completed load of log > > __samza_checkpoint_ver_1_for_demo-parser7_1-0 with log end offset 4 > > (kafka.log.Log) > > [2015-07-26 21:07:02,604] INFO Completed load of log > > __samza_checkpoint_ver_1_for_wikipedia-parser_1-0 with log end offset > > 29 (kafka.log.Log) > > [2015-07-26 21:07:02,608] INFO Completed load of log > > __samza_checkpoint_ver_1_for_wikipedia-stats_1-0 with log end offset > > 18 (kafka.log.Log) > > [2015-07-26 21:07:02,616] INFO Completed load of log demo-duplicate-0 > > with log end offset 19931 (kafka.log.Log) > > [2015-07-26 21:07:02,621] INFO Completed load of log http-demo-0 with > > log end offset 23048 (kafka.log.Log) > > [2015-07-26 21:07:02,627] INFO Completed load of log metrics-0 with > > log end offset 135 (kafka.log.Log) > > [2015-07-26 21:07:02,632] INFO Completed load of log wikipedia-edits-0 > > with log end offset 1822 (kafka.log.Log) > > [2015-07-26 21:07:02,638] INFO Completed load of log wikipedia-raw-0 > > with log end offset 2731 (kafka.log.Log) > > [2015-07-26 21:07:02,643] INFO Completed load of log wikipedia-stats-0 > > with log end offset 97 (kafka.log.Log) > > [2015-07-26 21:07:02,649] INFO Completed load of log > > wikipedia-stats-changelog-0 with log end offset 1795 (kafka.log.Log) > > [2015-07-26 21:07:02,652] INFO Logs loading complete. > > (kafka.log.LogManager) > > [2015-07-26 21:07:02,652] INFO Starting log cleanup with a period of > > 300000 ms. (kafka.log.LogManager) > > [2015-07-26 21:07:02,655] INFO Starting log flusher with a default > > period of 9223372036854775807 ms. (kafka.log.LogManager) > > [2015-07-26 21:07:02,680] INFO Awaiting socket connections on > > 0.0.0.0:9092. (kafka.network.Acceptor) > > [2015-07-26 21:07:02,680] INFO [Socket Server on Broker 0], Started > > (kafka.network.SocketServer) > > [2015-07-26 21:07:02,745] INFO Will not load MX4J, mx4j-tools.jar is > > not in the classpath (kafka.utils.Mx4jLoader$) > > [2015-07-26 21:07:02,773] INFO 0 successfully elected as leader > > (kafka.server.ZookeeperLeaderElector) > > [2015-07-26 21:07:03,115] INFO New leader is 0 > > (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > > [2015-07-26 21:07:03,133] INFO Registered broker 0 at path > > /brokers/ids/0 with address selinas-mbp.attlocal.net:9092. > > (kafka.utils.ZkUtils$) > > [2015-07-26 21:07:03,154] INFO [Kafka Server 0], started > > (kafka.server.KafkaServer) > > [2015-07-26 21:07:03,285] INFO [ReplicaFetcherManager on broker 0] > > Removed fetcher for partitions > > > > > [__samza_checkpoint_ver_1_for_demo-parser5_1,0],[wikipedia-raw,0],[__samza_checkpoint_ver_1_for_demo-parser6_1,0],[http-demo,0],[__samza_checkpoint_ver_1_for_demo-parser7_1,0],[__samza_checkpoint_ver_1_for_wikipedia-stats_1,0],[wikipedia-edits,0],[wikipedia-stats,0],[wikipedia-stats-changelog,0],[demo-duplicate,0],[metrics,0],[__samza_checkpoint_ver_1_for_wikipedia-parser_1,0] > > (kafka.server.ReplicaFetcherManager) > > [2015-07-26 21:07:03,361] INFO [ReplicaFetcherManager on broker 0] > > Removed fetcher for partitions > > > > > [__samza_checkpoint_ver_1_for_demo-parser5_1,0],[wikipedia-raw,0],[__samza_checkpoint_ver_1_for_demo-parser6_1,0],[http-demo,0],[__samza_checkpoint_ver_1_for_demo-parser7_1,0],[__samza_checkpoint_ver_1_for_wikipedia-stats_1,0],[wikipedia-edits,0],[wikipedia-stats,0],[wikipedia-stats-changelog,0],[demo-duplicate,0],[metrics,0],[__samza_checkpoint_ver_1_for_wikipedia-parser_1,0] > > (kafka.server.ReplicaFetcherManager) > > [2015-07-26 21:07:24,770] INFO Topic creation > > {"version":1,"partitions":{"0":[0]}} (kafka.admin.AdminUtils$) > > [2015-07-26 21:07:24,772] INFO [KafkaApi-0] Auto creation of topic > > http-demo-Json with 1 partitions and replication factor 1 is > > successful! (kafka.server.KafkaApis) > > [2015-07-26 21:07:24,795] INFO [ReplicaFetcherManager on broker 0] > > Removed fetcher for partitions [http-demo-Json,0] > > (kafka.server.ReplicaFetcherManager) > > [2015-07-26 21:07:24,800] INFO Completed load of log http-demo-Json-0 > > with log end offset 0 (kafka.log.Log) > > [2015-07-26 21:07:24,803] INFO Created log for partition > > [http-demo-Json,0] in /tmp/kafka-logs with properties > > {segment.index.bytes -> 10485760, file.delete.delay.ms -> 60000, > > segment.bytes -> 1073741824, flush.ms -> 9223372036854775807, > > delete.retention.ms -> 86400000, index.interval.bytes -> 4096, > > retention.bytes -> -1, min.insync.replicas -> 1, cleanup.policy -> > > delete, unclean.leader.election.enable -> true, segment.ms -> > > 604800000, max.message.bytes -> 1000012, flush.messages -> > > 9223372036854775807, min.cleanable.dirty.ratio -> 0.5, retention.ms -> > > 604800000, segment.jitter.ms -> 0}. (kafka.log.LogManager) > > [2015-07-26 21:07:24,804] WARN Partition [http-demo-Json,0] on broker > > 0: No checkpointed highwatermark is found for partition > > [http-demo-Json,0] (kafka.cluster.Partition) > > [2015-07-26 21:07:24,806] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:07:24,833] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > ...... > > ...... > > > > *[2015-07-26 21:08:04,444] INFO Closing socket connection to > > /**127.0.0.1* <http://127.0.0.1>*. (kafka.network.Processor)* > > [2015-07-26 21:08:04,457] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,469] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,487] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > *java.io.IOException: Too many open files in system* > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:04,590] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:04,590] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:04,696] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,708] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,720] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,833] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:04,848] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:05,172] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:05,173] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:05,278] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > [2015-07-26 21:08:05,293] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > ...... > > [2015-07-26 21:08:08,185] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:08,198] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:08,210] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:08,224] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > > > ..... > > ..... > > [2015-07-26 21:08:08,762] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > > > [2015-07-26 21:08:09,725] INFO Closing socket connection to > > /127.0.0.1. (kafka.network.Processor) > > [2015-07-26 21:08:09,737] ERROR Error while accepting connection > > (kafka.network.Acceptor) > > java.io.IOException: Too many open files in system > > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) > > at > > > sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) > > at kafka.network.Acceptor.accept(SocketServer.scala:270) > > at kafka.network.Acceptor.run(SocketServer.scala:225) > > at java.lang.Thread.run(Thread.java:745) > > ..... > > > > On Sun, Jul 26, 2015 at 1:59 PM, Yan Fang <yanfang...@gmail.com> wrote: > > > > > You may check the Kafka.log to see what's inside > > > > > > Yan Fang > > > > > > > On Jul 26, 2015, at 2:01 AM, Job-Selina Wu <swucaree...@gmail.com> > > > wrote: > > > > > > > > The exception is below: > > > > > > > > kafka.common.FailedToSendMessageException: Failed to send messages > > after > > > 3 > > > > tries. > > > > kafka.common.FailedToSendMessageException: Failed to send messages > > after > > > 3 > > > > tries. > > > > at > > > > > > > > > > kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90) > > > > at kafka.producer.Producer.send(Producer.scala:77) > > > > at kafka.javaapi.producer.Producer.send(Producer.scala:33) > > > > at http.server.HttpDemoHandler.doDemo(HttpDemoHandler.java:71) > > > > at http.server.HttpDemoHandler.handle(HttpDemoHandler.java:32) > > > > at > > > > > > > > > > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) > > > > at org.eclipse.jetty.server.Server.handle(Server.java:498) > > > > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:265) > > > > at > > > > > > > > > > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:243) > > > > at > > > > > > > > > > org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) > > > > at > > > > > > > > > > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610) > > > > at > > > > > > > > > > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539) > > > > at java.lang.Thread.run(Thread.java:745) > > > > > > > > On Sun, Jul 26, 2015 at 12:42 AM, Job-Selina Wu < > swucaree...@gmail.com > > > > > > > wrote: > > > > > > > >> Hi, Yan: > > > >> > > > >> My Http Server send message to Kafka. > > > >> > > > >> The server.log at deploy/kafka/logs/server.log shown : > > > >> > > > >> [2015-07-26 00:33:51,910] INFO Closing socket connection to / > > 127.0.0.1. > > > (kafka.network.Processor) > > > >> [2015-07-26 00:33:51,984] INFO Closing socket connection to / > > 127.0.0.1. > > > (kafka.network.Processor) > > > >> [2015-07-26 00:33:52,011] INFO Closing socket connection to / > > 127.0.0.1. > > > (kafka.network.Processor) > > > >> > > > >> ..... > > > >> > > > >> > > > >> Your help is highly appreciated. > > > >> > > > >> Sincerely, > > > >> > > > >> Selina > > > >> > > > >> > > > >>> On Sun, Jul 26, 2015 at 12:01 AM, Yan Fang <yanfang...@gmail.com> > > > wrote: > > > >>> > > > >>> You are giving the Kafka code and the Samza log, which does not > make > > > sense > > > >>> actually... > > > >>> > > > >>> Fang, Yan > > > >>> yanfang...@gmail.com > > > >>> > > > >>> On Sat, Jul 25, 2015 at 10:31 PM, Job-Selina Wu < > > swucaree...@gmail.com > > > > > > > >>> wrote: > > > >>> > > > >>>> Hi, Yi, Navina and Benjamin: > > > >>>> > > > >>>> Thanks a lot to spending your time to help me this issue. > > > >>>> > > > >>>> The configuration is below. Do you think it could be the > > > >>> configuration > > > >>>> problem? > > > >>>> I tried props.put("request.required.acks", "0"); and > > > >>>> props.put("request.required.acks", "1"); both did not work. > > > >>>> > > > >>>> -------- > > > >>>> Properties props = new Properties(); > > > >>>> > > > >>>> private final Producer<String, String> producer; > > > >>>> > > > >>>> public KafkaProducer() { > > > >>>> //BOOTSTRAP.SERVERS > > > >>>> props.put("metadata.broker.list", "localhost:9092"); > > > >>>> props.put("bootstrap.servers", "localhost:9092 "); > > > >>>> props.put("serializer.class", > > > "kafka.serializer.StringEncoder"); > > > >>>> props.put("partitioner.class", > > "com.kafka.SimplePartitioner"); > > > >>>> props.put("request.required.acks", "0"); > > > >>>> > > > >>>> ProducerConfig config = new ProducerConfig(props); > > > >>>> > > > >>>> producer = new Producer<String, String>(config); > > > >>>> } > > > >>>> > > > >>>> -------------- > > > >>>> > > > >>>> Exceptions at log are list below. > > > >>>> > > > >>>> Your help is highly appreciated. > > > >>>> > > > >>>> Sincerely, > > > >>>> Selina Wu > > > >>>> > > > >>>> > > > >>>> Exceptions at log > > > >>> > > > > > > deploy/yarn/logs/userlogs/application_1437886672214_0001/container_1437886672214_0001_01_000001/samza-application-master.log > > > >>>> > > > >>>> 2015-07-25 22:03:52 Shell [DEBUG] Failed to detect a valid hadoop > > home > > > >>>> directory > > > >>>> *java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set*. > > > >>>> at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:265) > > > >>>> at org.apache.hadoop.util.Shell.<clinit>(Shell.java:290) > > > >>>> at > > org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:76) > > > >>>> at > > > >>> > > > > > > org.apache.hadoop.yarn.conf.YarnConfiguration.<clinit>(YarnConfiguration.java:517) > > > >>>> at > > > >>>> > > > org.apache.samza.job.yarn.SamzaAppMaster$.main(SamzaAppMaster.scala:77) > > > >>>> at > > > >>> org.apache.samza.job.yarn.SamzaAppMaster.main(SamzaAppMaster.scala) > > > >>>> 2015-07-25 22:03:52 Shell [DEBUG] setsid is not available on this > > > >>>> machine. So not using it. > > > >>>> 2015-07-25 22:03:52 Shell [DEBUG] setsid exited with exit code 0 > > > >>>> 2015-07-25 22:03:52 ClientHelper [INFO] trying to connect to RM > > > >>>> 127.0.0.1:8032 > > > >>>> 2015-07-25 22:03:52 AbstractService [DEBUG] Service: > > > >>>> org.apache.hadoop.yarn.client.api.impl.YarnClientImpl entered > state > > > >>>> INITED > > > >>>> 2015-07-25 22:03:52 RMProxy [INFO] Connecting to ResourceManager > at > > > >>>> /127.0.0.1:8032 > > > >>>> 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field > > > >>>> org.apache.hadoop.metrics2.lib.MutableRate > > > >>>> > > > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginSuccess > > > >>>> with annotation > > > >>>> @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, > > about=, > > > >>>> always=false, type=DEFAULT, value=[Rate of successful kerberos > > logins > > > >>>> and latency (milliseconds)], valueName=Time) > > > >>>> 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field > > > >>>> org.apache.hadoop.metrics2.lib.MutableRate > > > >>>> > > > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginFailure > > > >>>> with annotation > > > >>>> @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, > > about=, > > > >>>> always=false, type=DEFAULT, value=[Rate of failed kerberos logins > > and > > > >>>> latency (milliseconds)], valueName=Time) > > > >>>> 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field > > > >>>> org.apache.hadoop.metrics2.lib.MutableRate > > > >>>> > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.getGroups > > > >>>> with annotation > > > >>>> @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, > > about=, > > > >>>> always=false, type=DEFAULT, value=[GetGroups], valueName=Time) > > > >>>> 2015-07-25 22:03:52 MetricsSystemImpl [DEBUG] UgiMetrics, User and > > > >>>> group related metrics > > > >>>> 2015-07-25 22:03:52 KerberosName [DEBUG] Kerberos krb5 > configuration > > > >>>> not found, setting default realm to empty > > > >>>> 2015-07-25 22:03:52 Groups [DEBUG] Creating new Groups object > > > >>>> 2015-07-25 22:03:52 NativeCodeLoader [DEBUG] Trying to load the > > > >>>> custom-built native-hadoop library... > > > >>>> 2015-07-25 22:03:52 NativeCodeLoader [DEBUG] Failed to load > > > >>>> native-hadoop with error: java.lang.UnsatisfiedLinkError: no > hadoop > > in > > > >>>> java.library.path > > > >>>> 2015-07-25 22:03:52 NativeCodeLoader [DEBUG] > > > >>> > > > > > > java.library.path=/home//Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:. > > > >>>> 2015-07-25 22:03:52 NativeCodeLoader [WARN] Unable to load > > > >>>> native-hadoop library for your platform... using builtin-java > > classes > > > >>>> where applicable.... > > > >>>> > > > >>>> > > > >>>> 2015-07-25 22:03:53 KafkaCheckpointManager [WARN] While trying to > > > >>>> validate topic __samza_checkpoint_ver_1_for_demo-parser7_1: > > > >>>> *kafka.common.LeaderNotAvailableException. Retrying.* > > > >>>> 2015-07-25 22:03:53 KafkaCheckpointManager [DEBUG] Exception > detail: > > > >>>> kafka.common.LeaderNotAvailableException > > > >>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > > > >>> Method) > > > >>>> at > > > >>> > > > > > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > > > >>>> at > > > >>> > > > > > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > > > >>>> at > java.lang.reflect.Constructor.newInstance(Constructor.java:422) > > > >>>> at java.lang.Class.newInstance(Class.java:442) > > > >>>> at > > > >>> > kafka.common.ErrorMapping$.maybeThrowException(ErrorMapping.scala:84) > > > >>>> at > > > >>>> > > > > org.apache.samza.util.KafkaUtil$.maybeThrowException(KafkaUtil.scala:63) > > > >>>> at > > > >>> > > > > > > org.apache.samza.checkpoint.kafka.KafkaCheckpointManager$$anonfun$validateTopic$2.apply(KafkaCheckpointManager.scala:389) > > > >>>> at > > > >>> > > > > > > org.apache.samza.checkpoint.kafka.KafkaCheckpointManager$$anonfun$validateTopic$2.apply(KafkaCheckpointManager.scala:386) > > > >>>> at > > > >>> > > > > > > org.apache.samza.util.ExponentialSleepStrategy.run(ExponentialSleepStrategy.scala:82) > > > >>>> at > > > >>> > > > > > > org.apache.samza.checkpoint.kafka.KafkaCheckpointManager.validateTopic(KafkaCheckpointManager.scala:385) > > > >>>> at > > > >>> > > > > > > org.apache.samza.checkpoint.kafka.KafkaCheckpointManager.start(KafkaCheckpointManager.scala:336) > > > >>>> at > > > >>> > > > > > > org.apache.samza.coordinator.JobCoordinator$.buildJobModel(JobCoordinator.scala:127) > > > >>>> at > > > >>> > > > > > > org.apache.samza.coordinator.JobCoordinator$.apply(JobCoordinator.scala:55) > > > >>>> at > > > >>> > > > > > > org.apache.samza.job.yarn.SamzaAppMasterTaskManager.<init>(SamzaAppMasterTaskManager.scala:72) > > > >>>> at > > > >>>> > > > org.apache.samza.job.yarn.SamzaAppMaster$.main(SamzaAppMaster.scala:93) > > > >>>> at > > > >>> org.apache.samza.job.yarn.SamzaAppMaster.main(SamzaAppMaster.scala) > > > >>>> 2015-07-25 22:03:53 VerifiableProperties [INFO] Verifying > properties > > > >>>> 2015-07-25 22:03:53 VerifiableProperties [INFO] Property > client.id > > is > > > >>>> overridden to > > samza_checkpoint_manager-demo_parser7-1-1437887032962-0 > > > >>>> 2015-07-25 22:03:53 VerifiableProperties [INFO] Property > > > >>>> metadata.broker.list is overridden to localhost:9092 > > > >>>> 2015-07-25 22:03:53 VerifiableProperties [INFO] Property > > > >>>> request.timeout.ms is overridden to 30000 > > > >>>> 2015-07-25 22:03:53 ClientUtils$ [INFO] Fetching metadata from > > broker > > > >>>> id:0,host:localhost,port:9092 with correlation id 1 for 1 topic(s) > > > >>>> Set(__samza_checkpoint_ver_1_for_demo-parser7_1) > > > >>>> 2015-07-25 22:03:53 BlockingChannel [DEBUG] Created socket with > > > >>>> SO_TIMEOUT = 30000 (requested 30000), SO_RCVBUF = 408300 > (requested > > > >>>> -1), SO_SNDBUF = 114324 (requested 102400), connectTimeoutMs = > > 30000. > > > >>>> 2015-07-25 22:03:53 SyncProducer [INFO] Connected to > localhost:9092 > > > >>>> for producing > > > >>>> 2015-07-25 22:03:53 SyncProducer [INFO] Disconnecting from > > > >>> localhost:9092 > > > >>>> 2015-07-25 22:03:53 ClientUtils$ [DEBUG] Successfully fetched > > metadata > > > >>>> for 1 topic(s) Set(__samza_checkpoint_ver_1_for_demo-parser7_1) > > > >>>> 2015-07-25 22:03:53 KafkaCheckpointManager [INFO] Successfully > > > >>>> validated checkpoint topic > > > >>>> __samza_checkpoint_ver_1_for_demo-parser7_1. > > > >>>> > > > >>>> > > > >>>> > > > >>>> Exception at log > > > >>> > > > > > > deploy/yarn/logs/userlogs/application_1437886672214_0001/container_1437886672214_0001_01_000002/stderr > > > >>>> > > > >>>> 2015-07-25 22:06:03 HttpDemoParserStreamTask [INFO] key=123: > > > >>>> message=timestamp=06-20-2015 id=123 ip=22.231.113.69 > browser=Chrome > > > >>>> postalCode=95131 url=http://sample1.com language=ENG > > > mobileBrand=Apple > > > >>>> *count=3860* > > > >>>> 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [INFO] Reconnect > due > > to > > > >>>> socket error: java.io.EOFException: Received -1 when reading from > > > >>>> channel, socket has likely been closed. > > > >>>> 2015-07-25 22:06:04 Selector [WARN] > > > >>>> *Error in I/O with localhost/127.0.0.1 <http://127.0.0.1 > > > >>>>> java.io.EOFException* > > > >>>> at > > > >>> > > > > > > org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) > > > >>>> at > > org.apache.kafka.common.network.Selector.poll(Selector.java:248) > > > >>>> at > > > >>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) > > > >>>> at java.lang.Thread.run(Thread.java:745) > > > >>>> 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] > Disconnecting > > > >>>> from selinas-mbp.attlocal.net:9092 > > > >>>> 2015-07-25 22:06:04 Selector [WARN] Error in I/O with > > > >>>> Selinas-MBP.attlocal.net/192.168.1.227 > > > >>>> java.io.EOFException > > > >>>> at > > > >>> > > > > > > org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) > > > >>>> at > > org.apache.kafka.common.network.Selector.poll(Selector.java:248) > > > >>>> at > > > >>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) > > > >>>> at java.lang.Thread.run(Thread.java:745) > > > >>>> 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] > Disconnecting > > > >>>> from selinas-mbp.attlocal.net:9092 > > > >>>> 2015-07-25 22:06:04 Selector [WARN] Error in I/O with > > > >>>> Selinas-MBP.attlocal.net/192.168.1.227 > > > >>>> java.io.EOFException > > > >>>> at > > > >>> > > > > > > org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) > > > >>>> at > > org.apache.kafka.common.network.Selector.poll(Selector.java:248) > > > >>>> at > > > >>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) > > > >>>> at java.lang.Thread.run(Thread.java:745) > > > >>>> 2015-07-25 22:06:04 Selector [WARN] Error in I/O with localhost/ > > > >>> 127.0.0.1 > > > >>>> java.io.EOFException > > > >>>> at > > > >>> > > > > > > org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) > > > >>>> at > > org.apache.kafka.common.network.Selector.poll(Selector.java:248) > > > >>>> at > > > >>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) > > > >>>> at java.lang.Thread.run(Thread.java:745) > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Node -1 disconnected. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Node 0 disconnected. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Node 0 disconnected. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Node -1 disconnected. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata > > > >>>> request to node 0 > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata > > > >>>> request to node 0 > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Init connection to node > 0 > > > >>>> for sending metadata request in the next iteration > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Init connection to node > 0 > > > >>>> for sending metadata request in the next iteration > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Initiating connection to > > > >>>> node 0 at selinas-mbp.attlocal.net:9092. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Initiating connection to > > > >>>> node 0 at selinas-mbp.attlocal.net:9092. > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata > > > >>>> request to node 0 > > > >>>> 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata > > > >>>> request to node 0 > > > >>>> 2015-07-25 22:06:04 Selector [WARN] Error in I/O with > > > >>>> selinas-mbp.attlocal.net/192.168.1.227 > > > >>>> java.net.ConnectException: Connection refused > > > >>>> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > > > >>>> at > > > >>>> > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) > > > >>>> at > > org.apache.kafka.common.network.Selector.poll(Selector.java:238) > > > >>>> at > > > >>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) > > > >>>> at > > > >>>> > > > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) > > > >>>> at java.lang.Thread.run(Thread.java:745) > > > >>>> 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] > Disconnecting > > > >>>> from selinas-mbp.attlocal.net:9092 > > > >>>> 2015-07-25 22:06:04 Selector [WARN] Error in I/O > > > >>>> > > > >>>> > > > >>>>> On Fri, Jul 24, 2015 at 5:03 PM, Benjamin Black <b...@b3k.us> > wrote: > > > >>>>> > > > >>>>> what are the log messages from the kafka brokers? these look like > > > >>> client > > > >>>>> messages indicating a broker problem. > > > >>>>> > > > >>>>> On Fri, Jul 24, 2015 at 1:18 PM, Job-Selina Wu < > > > swucaree...@gmail.com > > > >>>> > > > >>>>> wrote: > > > >>>>> > > > >>>>>> Hi, Yi: > > > >>>>>> > > > >>>>>> I am wondering if the problem can be fixed by the parameter > > " > > > >>>>>> max.message.size" at kafka.producer.ProducerConfig for the topic > > > >>> size? > > > >>>>>> > > > >>>>>> My Http Server send message to Kafka. The last message > shown > > > >>> on > > > >>>>>> console is > > > >>>>>> "message=timestamp=06-20-2015 id=678 ip=22.231.113.68 > > browser=Safari > > > >>>>>> postalCode=95066 url=http://sample2.com language=ENG > > > >>> mobileBrand=Apple > > > >>>>>> count=4269" > > > >>>>>> > > > >>>>>> However the Kafka got Exception from message 4244th > > > >>>>>> The error is below and Kafka do not accept any new message after > > > >>> this. > > > >>>>>> > > > >>>>>> "[2015-07-24 12:46:11,078] WARN > > > >>> > > > > > > [console-consumer-61156_Selinas-MacBook-Pro.local-1437766693294-a68fc532-leader-finder-thread], > > > >>>>>> Failed to find leader for Set([http-demo,0]) > > > >>>>>> (kafka.consumer.ConsumerFetcherManager$LeaderFinderThread) > > > >>>>>> kafka.common.KafkaException: fetching topic metadata for topics > > > >>>>>> [Set(http-demo)] from broker > > > >>>>> [ArrayBuffer(id:0,host:10.1.10.173,port:9092)] > > > >>>>>> failed > > > >>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) > > > >>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93) > > > >>>>>> at > > > >>> > > > > > > kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66) > > > >>>>>> at > kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60) > > > >>>>>> Caused by: java.nio.channels.ClosedChannelException > > > >>>>>> at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) > > > >>>>>> at > > kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) > > > >>>>>> at > > > >>> > > > > > > kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) > > > >>>>>> at kafka.producer.SyncProducer.send(SyncProducer.scala:113) > > > >>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) > > > >>>>>> ... 3 more > > > >>>>>> [2015-07-24 12:46:11,287] WARN Fetching topic metadata with > > > >>> correlation > > > >>>>> id > > > >>>>>> 21 for topics [Set(http-demo)] from broker > > > >>>>>> [id:0,host:10.1.10.173,port:9092] failed > > (kafka.client.ClientUtils$) > > > >>>>>> java.nio.channels.ClosedChannelException > > > >>>>>> at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) > > > >>>>>> at > > kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) > > > >>>>>> at > > > >>> > > > > > > kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) > > > >>>>>> at kafka.producer.SyncProducer.send(SyncProducer.scala:113) > > > >>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) > > > >>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93) > > > >>>>>> at > > > >>> > > > > > > kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66) > > > >>>>>> at > > kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)" > > > >>>>>> > > > >>>>>> > > > >>>>>> After the Error: > > > >>>>>> I show the topic, it is right, but can not show the content by > > > >>> command > > > >>>>> line > > > >>>>>> > > > >>>>>> Selinas-MacBook-Pro:samza-Demo selina$ > > > >>> deploy/kafka/bin/kafka-topics.sh > > > >>>>>> --list --zookeeper localhost:2181 > > > >>>>>> http-demo > > > >>>>>> Selinas-MacBook-Pro:samza-Demo selina$ > > > >>>>> deploy/kafka/bin/kafka-console-consumer.sh > > > >>>>>> --zookeeper localhost:2181 --from-beginning --topic http-demo > > > >>>>>> [2015-07-24 12:47:38,730] WARN > > > >>> > > > > > > [console-consumer-10297_Selinas-MacBook-Pro.local-1437767258570-1a809d87], > > > >>>>>> no brokers found when trying to rebalance. > > > >>>>>> (kafka.consumer.ZookeeperConsumerConnector) > > > >>>>>> > > > >>>>>> Attached is my Kafka properties for server and producer. > > > >>>>>> > > > >>>>>> Your help is highly appreciated > > > >>>>>> > > > >>>>>> > > > >>>>>> Sincerely, > > > >>>>>> Selina > > > >>>>>> > > > >>>>>> > > > >>>>>> > > > >>>>>> On Thu, Jul 23, 2015 at 11:16 PM, Yi Pan <nickpa...@gmail.com> > > > >>> wrote: > > > >>>>>> > > > >>>>>>> Hi, Selina, > > > >>>>>>> > > > >>>>>>> Your question is not clear. > > > >>>>>>> {quote} > > > >>>>>>> When the messages was send to Kafka by KafkaProducer, It always > > > >>> failed > > > >>>>>>> when the message more than 3000 - 4000 messages. > > > >>>>>>> {quote} > > > >>>>>>> > > > >>>>>>> What's failing? The error stack shows errors on the consumer > side > > > >>> and > > > >>>>> you > > > >>>>>>> were referring to failures to produce to Kafka. Could you be > more > > > >>>>> specific > > > >>>>>>> regarding to what's your failure scenario? > > > >>>>>>> > > > >>>>>>> -Yi > > > >>>>>>> > > > >>>>>>> On Thu, Jul 23, 2015 at 5:46 PM, Job-Selina Wu < > > > >>> swucaree...@gmail.com > > > >>>>> > > > >>>>>>> wrote: > > > >>>>>>> > > > >>>>>>>> Hi, > > > >>>>>>>> > > > >>>>>>>> When the messages was send to Kafka by KafkaProducer, It > > > >>> always > > > >>>>>>> failed > > > >>>>>>>> when the message more than 3000 - 4000 messages. The error is > > > >>> shown > > > >>>>>>> below. > > > >>>>>>>> I am wondering if any topic size I need to set at Samza > > > >>>> configuration? > > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> [2015-07-23 17:30:03,792] WARN > > > >>> > > > > > > [console-consumer-84579_Selinas-MacBook-Pro.local-1437697324624-eecb4f40-leader-finder-thread], > > > >>>>>>>> Failed to find leader for Set([http-demo,0]) > > > >>>>>>>> (kafka.consumer.ConsumerFetcherManager$LeaderFinderThread) > > > >>>>>>>> kafka.common.KafkaException: fetching topic metadata for > topics > > > >>>>>>>> [Set(http-demo)] from broker [ArrayBuffer()] failed > > > >>>>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) > > > >>>>>>>> at > > > >>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93) > > > >>>>>>>> at > > > >>> > > > > > > kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66) > > > >>>>>>>> at > > > >>>>>>> kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60) > > > >>>>>>>> ^CConsumed 4327 messages > > > >>>>>>>> > > > >>>>>>>> Your reply and comment will be highly appreciated. > > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> Sincerely, > > > >>>>>>>> Selina > > > >> > > > >> > > > > > >