Hello,
I am working on a Samza script currently and had a couple questions. I am able to work with the Hello-Samza application and have been able to add to that example. The goal is to be able to write one from scratch and be able to implement and iterate upon it indefinitely. The questions I have are the following. I understand the StreamTask handles the logic. I can create a StreamTask that just consumers and produces raw data but where my problem comes in is with the consumer. The Wikipedia example connects to an IRC in order to have a stream of constant data. Instead of connecting to IRC in my consumer I am aiming to connect to a zookeeper connection that listens to an input Kafka topic. Is there an example somewhere to see how to implement this, or any direction? I understand the flow, I believe, am just struggling with the code implementation. Second question is an error that I am having which may be solved by a solution to the above inquiry. I am receiving an error saying "Failed to update metadata after 98 ms." I've attached a txt document with a log of the information if you can provide any assistance. Apologies for the probably obvious questions but I am really wanting to fully understand this whole system so I can manipulate it to my liking soon. Thank you, Chas Pezanko
java version "1.7.0_75" OpenJDK Runtime Environment (rhel-2.5.4.0.el6_6-x86_64 u75-b13) OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode) /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java -Dlog4j.configuration=file:deploy/samza/bin/log4j-console.xml -Dsamza.log.dir=/home/users/cpezako/hello-samza/samza-test/deploy/samza -Djava.io.tmpdir=/home/users/cpezako/hello-samza/samza-test/deploy/samza/tmp -Xmx768M -XX:+PrintGCDateStamps -Xloggc:/home/users/cpezako/hello-samza/samza-test/deploy/samza/gc.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=10241024 -d64 -cp /home/users/cpezako/.samza/conf:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/activation-1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/akka-actor_2.10-2.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/aopalliance-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/asm-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/avro-1.7.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-beanutils-1.7.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-beanutils-core-1.8.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-cli-1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-codec-1.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-collections-3.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-compress-1.4.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-configuration-1.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-daemon-1.0.13.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-digester-1.8.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-el-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-httpclient-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-io-2.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-lang-2.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-logging-1.1.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-math3-3.1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-net-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/config-1.0.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/grizzled-slf4j_2.10-1.0.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guava-11.0.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guice-3.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guice-servlet-3.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-annotations-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-auth-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-common-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-hdfs-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-api-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-client-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-common-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hello-samza-0.10.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/httpclient-4.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/httpcore-4.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/irclib-1.10.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-core-asl-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-jaxrs-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-mapper-asl-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-xc-1.8.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jasper-compiler-5.5.23.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jasper-runtime-5.5.23.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/javax.inject-1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/java-xmlbuilder-0.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/javax.servlet-3.0.0.v201112011016.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jaxb-api-2.2.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jaxb-impl-2.2.3-1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-client-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-core-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-guice-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-json-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-server-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jets3t-0.9.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jettison-1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-6.1.26.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-continuation-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-http-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-io-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-security-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-server-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-servlet-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-util-6.1.26.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-util-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-webapp-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-xml-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jline-0.9.94.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/joda-convert-1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/joda-time-2.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jopt-simple-3.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsch-0.1.42.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsp-api-2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsr305-1.3.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/junit-3.8.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/juniversalchardet-1.0.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/kafka_2.10-0.8.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/kafka-clients-0.8.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/log4j-1.2.16.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/lz4-1.2.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/metrics-core-2.2.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/mime-util-2.1.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/netty-3.7.0.Final.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/paranamer-2.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/protobuf-java-2.5.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/rl_2.10-0.4.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/rocksdbjni-3.10.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-api-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-core_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kafka_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kv_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kv-rocksdb_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-log4j-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-yarn_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-compiler-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-library-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-reflect-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalate-core_2.10-1.6.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalate-util_2.10-1.6.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra-common_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra-scalate_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/servlet-api-2.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/slf4j-api-1.6.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/slf4j-log4j12-1.6.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/snappy-java-1.1.1.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/stax-api-1.0-2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/xmlenc-0.52.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/xz-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/zkclient-0.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/zookeeper-3.3.4.jar org.apache.samza.job.JobRunner --config-factory=org.apache.samza.config.factories.PropertiesConfigFactory --config-path=file:///home/users/cpezako/hello-samza/samza-test/deploy/samza/config/test-words.properties 2015-06-08 11:19:44 JobRunner [INFO] job factory: org.apache.samza.job.yarn.YarnJobFactory 2015-06-08 11:19:44 JobConfig [INFO] No coordinator system defined, so defaulting to kafka 2015-06-08 11:19:46 VerifiableProperties [INFO] Verifying properties 2015-06-08 11:19:46 VerifiableProperties [INFO] Property auto.offset.reset is overridden to largest 2015-06-08 11:19:46 VerifiableProperties [INFO] Property client.id is overridden to samza_admin-test_words-1-1433776784956-0 2015-06-08 11:19:46 VerifiableProperties [INFO] Property group.id is overridden to undefined-samza-consumer-group-79faa87b-7e13-4ff1-9f3a-e88dd289ab34 2015-06-08 11:19:46 VerifiableProperties [INFO] Property zookeeper.connect is overridden to localhost:2181/ 2015-06-08 11:19:46 JobConfig [WARN] Configuration 'task.checkpoint.replication.factor' is deprecated. Please use job.coordinator.replication.factor. 2015-06-08 11:19:46 VerifiableProperties [INFO] Verifying properties 2015-06-08 11:19:46 VerifiableProperties [INFO] Property auto.offset.reset is overridden to largest 2015-06-08 11:19:46 VerifiableProperties [INFO] Property client.id is overridden to samza_consumer-test_words-1-1433776786514-1 2015-06-08 11:19:46 VerifiableProperties [INFO] Property group.id is overridden to undefined-samza-consumer-group-9554334f-898e-4e20-baa5-b0c3f33b2455 2015-06-08 11:19:46 VerifiableProperties [INFO] Property zookeeper.connect is overridden to localhost:2181/ 2015-06-08 11:19:47 JobConfig [INFO] No coordinator system defined, so defaulting to kafka 2015-06-08 11:19:47 VerifiableProperties [INFO] Verifying properties 2015-06-08 11:19:47 VerifiableProperties [INFO] Property auto.offset.reset is overridden to largest 2015-06-08 11:19:47 VerifiableProperties [INFO] Property client.id is overridden to samza_admin-test_words-1-1433776787241-2 2015-06-08 11:19:47 VerifiableProperties [INFO] Property group.id is overridden to undefined-samza-consumer-group-44b83287-581e-4923-8e8a-d4018fbfb49e 2015-06-08 11:19:47 VerifiableProperties [INFO] Property zookeeper.connect is overridden to localhost:2181/ 2015-06-08 11:19:47 JobConfig [WARN] Configuration 'task.checkpoint.replication.factor' is deprecated. Please use job.coordinator.replication.factor. 2015-06-08 11:19:47 JobRunner [INFO] Creating coordinator stream 2015-06-08 11:19:47 JobConfig [INFO] No coordinator system defined, so defaulting to kafka 2015-06-08 11:19:47 VerifiableProperties [INFO] Verifying properties 2015-06-08 11:19:47 VerifiableProperties [INFO] Property auto.offset.reset is overridden to largest 2015-06-08 11:19:47 VerifiableProperties [INFO] Property client.id is overridden to samza_admin-test_words-1-1433776787301-4 2015-06-08 11:19:47 VerifiableProperties [INFO] Property group.id is overridden to undefined-samza-consumer-group-12baa2da-a69c-4bce-975c-99dedfcfcda3 2015-06-08 11:19:47 VerifiableProperties [INFO] Property zookeeper.connect is overridden to localhost:2181/ 2015-06-08 11:19:47 JobConfig [WARN] Configuration 'task.checkpoint.replication.factor' is deprecated. Please use job.coordinator.replication.factor. 2015-06-08 11:19:47 KafkaSystemAdmin [INFO] Attempting to create coordinator stream __samza_coordinator_test-words_1. 2015-06-08 11:19:47 ZkEventThread [INFO] Starting ZkClient event thread. 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:zookeeper.version=3.3.3-1203054, built on 11/17/2011 05:47 GMT 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:host.name=messagebroker1 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.version=1.7.0_75 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.vendor=Oracle Corporation 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.home=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_64/jre 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.class.path=/home/users/cpezako/.samza/conf:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/activation-1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/akka-actor_2.10-2.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/aopalliance-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/asm-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/avro-1.7.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-beanutils-1.7.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-beanutils-core-1.8.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-cli-1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-codec-1.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-collections-3.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-compress-1.4.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-configuration-1.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-daemon-1.0.13.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-digester-1.8.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-el-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-httpclient-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-io-2.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-lang-2.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-logging-1.1.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-math3-3.1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/commons-net-3.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/config-1.0.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/grizzled-slf4j_2.10-1.0.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guava-11.0.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guice-3.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/guice-servlet-3.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-annotations-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-auth-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-common-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-hdfs-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-api-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-client-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hadoop-yarn-common-2.4.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/hello-samza-0.10.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/httpclient-4.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/httpcore-4.1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/irclib-1.10.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-core-asl-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-jaxrs-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-mapper-asl-1.8.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jackson-xc-1.8.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jasper-compiler-5.5.23.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jasper-runtime-5.5.23.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/javax.inject-1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/java-xmlbuilder-0.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/javax.servlet-3.0.0.v201112011016.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jaxb-api-2.2.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jaxb-impl-2.2.3-1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-client-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-core-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-guice-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-json-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jersey-server-1.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jets3t-0.9.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jettison-1.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-6.1.26.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-continuation-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-http-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-io-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-security-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-server-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-servlet-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-util-6.1.26.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-util-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-webapp-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jetty-xml-8.1.8.v20121106.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jline-0.9.94.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/joda-convert-1.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/joda-time-2.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jopt-simple-3.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsch-0.1.42.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsp-api-2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/jsr305-1.3.9.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/junit-3.8.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/juniversalchardet-1.0.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/kafka_2.10-0.8.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/kafka-clients-0.8.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/log4j-1.2.16.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/lz4-1.2.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/metrics-core-2.2.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/mime-util-2.1.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/netty-3.7.0.Final.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/paranamer-2.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/protobuf-java-2.5.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/rl_2.10-0.4.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/rocksdbjni-3.10.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-api-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-core_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kafka_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kv_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-kv-rocksdb_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-log4j-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/samza-yarn_2.10-0.10.0-SNAPSHOT.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-compiler-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-library-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scala-reflect-2.10.4.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalate-core_2.10-1.6.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalate-util_2.10-1.6.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra-common_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/scalatra-scalate_2.10-2.2.1.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/servlet-api-2.5.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/slf4j-api-1.6.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/slf4j-log4j12-1.6.2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/snappy-java-1.1.1.6.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/stax-api-1.0-2.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/xmlenc-0.52.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/xz-1.0.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/zkclient-0.3.jar:/home/users/cpezako/hello-samza/samza-test/deploy/samza/lib/zookeeper-3.3.4.jar 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.io.tmpdir=/home/users/cpezako/hello-samza/samza-test/deploy/samza/tmp 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:java.compiler=<NA> 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:os.name=Linux 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:os.arch=amd64 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:os.version=2.6.32-504.3.3.el6.x86_64 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:user.name=cpezako 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:user.home=/home/users/cpezako 2015-06-08 11:19:47 ZooKeeper [INFO] Client environment:user.dir=/home/users/cpezako/hello-samza/samza-test 2015-06-08 11:19:47 ZooKeeper [INFO] Initiating client connection, connectString=localhost:2181/ sessionTimeout=6000 watcher=org.I0Itec.zkclient.ZkClient@989f8c6 2015-06-08 11:19:47 ClientCnxn [INFO] Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181 2015-06-08 11:19:47 ClientCnxn [INFO] Socket connection established to localhost/0:0:0:0:0:0:0:1:2181, initiating session 2015-06-08 11:19:48 ClientCnxn [INFO] Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181, sessionid = 0x14d6857243e0332, negotiated timeout = 6000 2015-06-08 11:19:48 ZkClient [INFO] zookeeper state changed (SyncConnected) 2015-06-08 11:19:48 ZkEventThread [INFO] Terminate ZkClient event thread. 2015-06-08 11:19:48 ClientCnxn [INFO] EventThread shut down 2015-06-08 11:19:48 ZooKeeper [INFO] Session: 0x14d6857243e0332 closed 2015-06-08 11:19:48 KafkaSystemAdmin [INFO] Coordinator stream __samza_coordinator_test-words_1 already exists. 2015-06-08 11:19:48 JobRunner [INFO] Storing config in coordinator stream. 2015-06-08 11:19:48 CoordinatorStreamSystemProducer [INFO] Starting coordinator stream producer. 2015-06-08 11:19:48 KafkaSystemProducer [INFO] Creating a new producer for system kafka. 2015-06-08 11:19:49 ProducerConfig [INFO] ProducerConfig values: value.serializer = class org.apache.kafka.common.serialization.ByteArraySerializer key.serializer = class org.apache.kafka.common.serialization.ByteArraySerializer block.on.buffer.full = true retry.backoff.ms = 100 buffer.memory = 33554432 batch.size = 16384 metrics.sample.window.ms = 30000 metadata.max.age.ms = 300000 receive.buffer.bytes = 32768 timeout.ms = 30000 max.in.flight.requests.per.connection = 1 bootstrap.servers = [localhost:9092] metric.reporters = [] client.id = samza_producer-test_words-1-1433776787251-3 compression.type = none retries = 2147483647 max.request.size = 1048576 send.buffer.bytes = 131072 acks = 1 reconnect.backoff.ms = 10 linger.ms = 0 metrics.num.samples = 2 metadata.fetch.timeout.ms = 60000 Exception in thread "main" org.apache.samza.SamzaException: org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 98 ms. at org.apache.samza.coordinator.stream.CoordinatorStreamSystemProducer.send(CoordinatorStreamSystemProducer.java:112) at org.apache.samza.coordinator.stream.CoordinatorStreamSystemProducer.writeConfig(CoordinatorStreamSystemProducer.java:129) at org.apache.samza.job.JobRunner.run(JobRunner.scala:79) at org.apache.samza.job.JobRunner$.main(JobRunner.scala:48) at org.apache.samza.job.JobRunner.main(JobRunner.scala) Caused by: org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 98 ms.