Hello Sa Li, Have you got your topology code uploaded in github? Maybe seeing the code we can help you better.
Marcelo 2014-08-07 19:44 GMT+02:00 Sa Li <[email protected]>: > Hello, Kushan and Taylor > > Thank you very much for the help, I exclude the zookeeper come with kafka > and storm-kafka packages in pom > > <!-- Kafka 0.8.0 compiled Scala 2.9.2 --> > <dependency> > <groupId>org.apache.kafka</groupId> > <artifactId>kafka_2.10</artifactId> > <version>0.8.1.1</version> > <scope>compile</scope> > > <exclusions> > <exclusion> > <groupId>org.apache.zookeeper</groupId> > <artifactId>zookeeper</artifactId> > </exclusion> > <exclusion> > <groupId>log4j</groupId> > <artifactId>log4j</artifactId> > </exclusion> > </exclusions> > > </dependency> > <!-- Storm-Kafka compiled --> > <dependency> > <artifactId>storm-kafka</artifactId> > <groupId>org.apache.storm</groupId> > <version>0.9.2-incubating</version> > <scope>*compile*</scope> > > <exclusions> > <exclusion> > <groupId>org.apache.zookeeper</groupId> > <artifactId>zookeeper</artifactId> > </exclusion> > </exclusions> > > </dependency> > > > Now let me check the mvn tree: > [INFO] > ------------------------------------------------------------------------ > [INFO] Building kafka-storm-bitmap 0.0.1-SNAPSHOT > [INFO] > ------------------------------------------------------------------------ > [INFO] > [INFO] --- maven-dependency-plugin:2.1:tree (default-cli) @ > kafka-storm-bitmap --- > [INFO] storm.artemis:kafka-storm-bitmap:jar:0.0.1-SNAPSHOT > [INFO] +- org.json:json:jar:20140107:compile > [INFO] +- org.slf4j:slf4j-simple:jar:1.7.2:compile > [INFO] | \- org.slf4j:slf4j-api:jar:1.7.2:compile > [INFO] +- log4j:log4j:jar:1.2.17:compile > [INFO] +- org.scala-lang:scala-library:jar:2.9.2:compile > [INFO] +- org.mockito:mockito-all:jar:1.9.0:test > [INFO] +- junit:junit:jar:4.11:test (scope not updated to compile) > [INFO] | \- org.hamcrest:hamcrest-core:jar:1.3:test > [INFO] +- org.apache.curator:curator-framework:jar:2.6.0:compile > [INFO] | \- org.apache.curator:curator-client:jar:2.6.0:compile > [INFO] +- org.apache.curator:curator-recipes:jar:2.6.0:test > [INFO] +- org.apache.curator:curator-test:jar:2.6.0:test > [INFO] | +- org.javassist:javassist:jar:3.18.1-GA:test > [INFO] | \- org.apache.commons:commons-math:jar:2.2:test > [INFO] +- org.apache.zookeeper:zookeeper:jar:3.4.5:compile > [INFO] | +- jline:jline:jar:0.9.94:compile > [INFO] | \- org.jboss.netty:netty:jar:3.2.2.Final:compile > [INFO] +- org.apache.kafka:kafka_2.10:jar:0.8.1.1:compile > [INFO] | +- com.yammer.metrics:metrics-core:jar:2.2.0:compile > [INFO] | +- org.xerial.snappy:snappy-java:jar:1.0.5:compile > [INFO] | +- net.sf.jopt-simple:jopt-simple:jar:3.2:compile > [INFO] | \- com.101tec:zkclient:jar:0.3:compile > [INFO] +- org.apache.storm:storm-kafka:jar:0.9.2-incubating:*compile* > [INFO] +- org.testng:testng:jar:6.8.5:test > [INFO] | +- org.beanshell:bsh:jar:2.0b4:test > [INFO] | +- com.beust:jcommander:jar:1.27:test > [INFO] | \- org.yaml:snakeyaml:jar:1.6:test > [INFO] +- org.easytesting:fest-assert-core:jar:2.0M8:test > [INFO] | \- org.easytesting:fest-util:jar:1.2.3:test > [INFO] +- org.jmock:jmock:jar:2.6.0:test > [INFO] | \- org.hamcrest:hamcrest-library:jar:1.1:test > [INFO] +- storm:storm:jar:0.9.0.1:provided > [INFO] | +- storm:storm-console-logging:jar:0.9.0.1:provided > [INFO] | +- storm:storm-core:jar:0.9.0.1:provided > [INFO] | | +- org.clojure:clojure:jar:1.4.0:provided > [INFO] | | +- commons-io:commons-io:jar:1.4:provided > [INFO] | | +- org.apache.commons:commons-exec:jar:1.1:provided > [INFO] | | +- storm:libthrift7:jar:0.7.0-2:provided > [INFO] | | | +- commons-lang:commons-lang:jar:2.5:provided > [INFO] | | | \- javax.servlet:servlet-api:jar:2.5:provided > [INFO] | | +- clj-time:clj-time:jar:0.4.1:provided > [INFO] | | | \- joda-time:joda-time:jar:2.0:provided > [INFO] | | +- com.netflix.curator:curator-framework:jar:1.0.1:provided > [INFO] | | | \- com.netflix.curator:curator-client:jar:1.0.1:provided > [INFO] | | +- backtype:jzmq:jar:2.1.0:provided > [INFO] | | +- com.googlecode.json-simple:json-simple:jar:1.1:provided > [INFO] | | +- compojure:compojure:jar:1.1.3:provided > [INFO] | | | +- org.clojure:core.incubator:jar:0.1.0:provided > [INFO] | | | +- org.clojure:tools.macro:jar:0.1.0:provided > [INFO] | | | +- clout:clout:jar:1.0.1:provided > [INFO] | | | \- ring:ring-core:jar:1.1.5:provided > [INFO] | | | \- > commons-fileupload:commons-fileupload:jar:1.2.1:provided > [INFO] | | +- hiccup:hiccup:jar:0.3.6:provided > [INFO] | | +- ring:ring-devel:jar:0.3.11:provided > [INFO] | | | \- clj-stacktrace:clj-stacktrace:jar:0.2.2:provided > [INFO] | | +- ring:ring-jetty-adapter:jar:0.3.11:provided > [INFO] | | | +- ring:ring-servlet:jar:0.3.11:provided > [INFO] | | | +- org.mortbay.jetty:jetty:jar:6.1.26:provided > [INFO] | | | | \- > org.mortbay.jetty:servlet-api:jar:2.5-20081211:provided > [INFO] | | | \- org.mortbay.jetty:jetty-util:jar:6.1.26:provided > [INFO] | | +- org.clojure:tools.logging:jar:0.2.3:provided > [INFO] | | +- org.clojure:math.numeric-tower:jar:0.0.1:provided > [INFO] | | +- storm:carbonite:jar:1.5.0:provided > [INFO] | | | \- com.esotericsoftware.kryo:kryo:jar:2.17:provided > [INFO] | | | +- > com.esotericsoftware.reflectasm:reflectasm:jar:shaded:1.07:provided > [INFO] | | | | \- org.ow2.asm:asm:jar:4.0:provided > [INFO] | | | +- com.esotericsoftware.minlog:minlog:jar:1.2:provided > [INFO] | | | \- org.objenesis:objenesis:jar:1.2:provided > [INFO] | | +- org.apache.httpcomponents:httpclient:jar:4.1.1:provided > [INFO] | | | +- org.apache.httpcomponents:httpcore:jar:4.1:provided > [INFO] | | | +- commons-logging:commons-logging:jar:1.1.1:provided > [INFO] | | | \- commons-codec:commons-codec:jar:1.4:provided > [INFO] | | +- storm:tools.cli:jar:0.2.2:provided > [INFO] | | +- com.googlecode.disruptor:disruptor:jar:2.10.1:provided > [INFO] | | +- storm:jgrapht:jar:0.8.3:provided > [INFO] | | +- ch.qos.logback:logback-classic:jar:1.0.6:provided > [INFO] | | | \- ch.qos.logback:logback-core:jar:1.0.6:provided > [INFO] | | \- org.slf4j:log4j-over-slf4j:jar:1.6.6:provided > [INFO] | \- storm:storm-netty:jar:0.9.0.1:provided > [INFO] | \- io.netty:netty:jar:3.6.3.Final:provided > [INFO] +- commons-collections:commons-collections:jar:3.2.1:compile > [INFO] \- com.google.guava:guava:jar:15.0:compile > > Now I assume I have unique zookeeper 3.4.5, when I am running it after > compile I still could not get rid of that error, in addition, I changed to > stormSubmitter to cluster, and I can see it running on UI, but nothing > print out. I am thinking is there an easy way in local mode to debug step > by step that I can tell I am accessing the zookeeper therefore reading the > message from kafka. > > > Thanks a lot > > Alec > > > On Aug 6, 2014, at 6:33 PM, Kushan Maskey < > [email protected]> wrote: > > One thing I have done in my pom.XML is I exclude the zookeeper that comes > with Kafka package. Can you give that a shot? > On Aug 6, 2014 5:14 PM, Sa Li <[email protected]> wrote: > > Thanks, Taylor, that makes sense, I check my kafka config, the > host.name=10.100.70.128, > and correspondingly change the spout config as > BrokerHosts zk = new ZkHosts("10.100.70.128"); > TridentKafkaConfig spoutConf = new TridentKafkaConfig(zk, "topictest"); > > it used to be localhost, actually localhost=10.100.70.128, so spout listen > to 10.100.70.128 and collect the topictest, but still same error: > > 3237 [Thread-19-$spoutcoord-spout0] ERROR backtype.storm.util - Async loop > died! > java.lang.NoSuchMethodError: > org.apache.zookeeper.ZooKeeper.<init>(Ljava/lang/String;ILorg/apache/zookeeper/Watcher;Z)V > > thanks > > Alec > > > On Wed, Aug 6, 2014 at 1:27 PM, P. Taylor Goetz <[email protected]> wrote: > >> You are running in local mode. So storm will start an in-process >> zookeeper for it’s own use (usually on port 2000). In distributed mode, >> Storm will connect to the zookeeper quorum specified in your storm.yaml. >> >> In local mode, you would only need the external zookeeper for kafka and >> the kafka spout. When configuring the kafka spout, point it to the >> zookeeper used by kafka. >> >> - Taylor >> >> >> On Aug 6, 2014, at 3:34 PM, Sa Li <[email protected]> wrote: >> >> Hi, Kushan >> >> You are completely right, I noticed this after you mentioned it, >> apparently I am able to consumer the messages by kafka-console-consumer.sh >> which listen to 2181, but storm goes to 2000 instead. >> >> 1319 [main] INFO backtype.storm.zookeeper - Starting inprocess zookeeper >> at port 2000 and dir /tmp/f41ad971-9f6b-433f-9dc9-9797afcc2e46 >> 1425 [main] INFO backtype.storm.daemon.nimbus - Starting Nimbus with >> conf {"dev.zookeeper.path" "/tmp/dev-storm-zookeeper", >> >> I spent whole morning to walk through my configuration, this is the >> zoo.cfg >> >> # The number of milliseconds of each tick >> tickTime=2000 >> # The number of ticks that the initial >> # synchronization phase can take >> initLimit=5 >> # The number of ticks that can pass between >> # sending a request and getting an acknowledgement >> syncLimit=2 >> # the directory where the snapshot is stored. >> dataDir=/var/lib/zookeeper >> # Place the dataLogDir to a separate physical disc for better performance >> # dataLogDir=/disk2/zookeeper >> # the port at which the clients will connect >> clientPort=2181 >> # specify all zookeeper servers >> # The fist port is used by followers to connect to the leader >> # The second one is used for leader election >> #server.1=zookeeper1:2888:3888 >> #server.2=zookeeper2:2888:3888 >> #server.3=zookeeper3:2888:3888 >> >> # To avoid seeks ZooKeeper allocates space in the transaction log file in >> # blocks of preAllocSize kilobytes. The default block size is 64M. One >> reason >> # for changing the size of the blocks is to reduce the block size if >> snapshots >> # are taken more often. (Also, see snapCount). >> #preAllocSize=65536 >> # Clients can submit requests faster than ZooKeeper can process them, >> # especially if there are a lot of clients. To prevent ZooKeeper from >> running >> # out of memory due to queued requests, ZooKeeper will throttle clients >> so that >> # there is no more than globalOutstandingLimit outstanding requests in the >> # system. The default limit is 1,000.ZooKeeper logs transactions to a >> # transaction log. After snapCount transactions are written to a log file >> a >> # snapshot is started and a new transaction log file is started. The >> default >> # snapCount is 10,000. >> #snapCount=1000 >> >> # If this option is defined, requests will be will logged to a trace file >> named >> # traceFile.year.month.day. >> #traceFile= >> # Leader accepts client connections. Default value is "yes". The leader >> machine >> # coordinates updates. For higher update throughput at thes slight >> expense of >> # read throughput the leader can be configured to not accept clients and >> focus >> # on coordination. >> leaderServes=yes >> # Enable regular purging of old data and transaction logs every 24 hours >> autopurge.purgeInterval=24 >> autopurge.snapRetainCount=5 >> >> Only thing that I thought to change was to make "multi-server" setup, >> uncomment the server.1, server.2, server.3, but didn't help. And this is >> the storm.yaml sitting in ~/.storm >> >> storm.zookeeper.servers: >> - "10.100.70.128" >> # - "server2" >> storm.zookeeper.port: 2181 >> nimbus.host: "10.100.70.128" >> nimbus.childopts: "-Xmx1024m" >> storm.local.dir: "/app/storm" >> java.library.path: "/usr/lib/jvm/java-7-openjdk-amd64" >> supervisor.slots.ports: >> - 6700 >> - 6701 >> - 6702 >> - 6703 >> # ##### These may optionally be filled in: >> # >> ## List of custom serializations >> # topology.kryo.register: >> # - org.mycompany.MyType >> # - org.mycompany.MyType2: org.mycompany.MyType2Serializer >> # >> ## List of custom kryo decorators >> # topology.kryo.decorators: >> # - org.mycompany.MyDecorator >> # >> ## Locations of the drpc servers >> drpc.servers: >> - "10.100.70.128" >> # - "server2" >> drpc.port: 3772 >> drpc.worker.threads: 64 >> drpc.queue.size: 128 >> drpc.invocations.port: 3773 >> drpc.request.timeout.secs: 600 >> drpc.childopts: "-Xmx768m" >> ## Metrics Consumers >> # topology.metrics.consumer.register: >> # - class: "backtype.storm.metrics.LoggingMetricsConsumer" >> # parallelism.hint: 1 >> # - class: "org.mycompany.MyMetricsConsumer" >> # parallelism.hint: 1 >> # argument: >> # - endpoint: "metrics-collector.mycompany.org" >> >> I really couldn't figure out what is trick to configure zK and storm >> cluster, and why zookeeper listen to 2000 which is really a weird thing. >> >> thanks >> >> Alec >> >> >> >> On Wed, Aug 6, 2014 at 6:48 AM, Kushan Maskey < >> [email protected]> wrote: >> >>> I see that your zookeeper is listening on port 2000. Is that how you >>> have configured the zookeeper? >>> >>> -- >>> Kushan Maskey >>> 817.403.7500 >>> >>> >>> On Tue, Aug 5, 2014 at 11:56 AM, Sa Li <[email protected]> wrote: >>> >>>> Thank you very much, Marcelo, it indeed worked, now I can run my code >>>> without getting error. However, another thing is keeping bother me, >>>> following is my code: >>>> >>>> public static class PrintStream implements Filter { >>>> >>>> @SuppressWarnings("rawtypes”) >>>> @Override >>>> public void prepare(Map conf, TridentOperationContext context) { >>>> } >>>> @Override >>>> public void cleanup() { >>>> } >>>> @Override >>>> public boolean isKeep(TridentTuple tuple) { >>>> System.out.println(tuple); >>>> return true; >>>> } >>>> } >>>> public static StormTopology buildTopology(LocalDRPC drpc) throws >>>> IOException >>>> { >>>> >>>> TridentTopology topology = new TridentTopology(); >>>> BrokerHosts zk = new ZkHosts("localhost"); >>>> TridentKafkaConfig spoutConf = new TridentKafkaConfig(zk, >>>> "ingest_test"); >>>> spoutConf.scheme = new SchemeAsMultiScheme(new >>>> StringScheme()); >>>> OpaqueTridentKafkaSpout spout = new >>>> OpaqueTridentKafkaSpout(spoutConf); >>>> >>>> topology.newStream("kafka", spout) >>>> .each(new Fields("str"), >>>> new PrintStream() >>>> ); >>>> >>>> return topology.build(); >>>> } >>>> public static void main(String[] args) throws Exception { >>>> >>>> Config conf = new Config(); >>>> conf.setDebug(true); >>>> conf.setMaxSpoutPending(1); >>>> conf.setMaxTaskParallelism(3); >>>> LocalDRPC drpc = new LocalDRPC(); >>>> LocalCluster cluster = new LocalCluster(); >>>> cluster.submitTopology("kafka", conf, >>>> buildTopology(drpc)); >>>> Thread.sleep(100); >>>> cluster.shutdown(); >>>> } >>>> >>>> What I expect is quite simple, print out the message I collect from a >>>> kafka producer playback process which is running separately. The topic is >>>> listed as: >>>> >>>> root@DO-mq-dev:/etc/kafka# bin/kafka-list-topic.sh --zookeeper >>>> localhost:2181 >>>> topic: topictest partition: 0 leader: 1 replicas: 1,3,2 >>>> isr: 1,3,2 >>>> topic: topictest partition: 1 leader: 2 replicas: 2,1,3 >>>> isr: 2,1,3 >>>> topic: topictest partition: 2 leader: 3 replicas: 3,2,1 >>>> isr: 3,2,1 >>>> topic: topictest partition: 3 leader: 1 replicas: 1,2,3 >>>> isr: 1,2,3 >>>> topic: topictest partition: 4 leader: 2 replicas: 2,3,1 >>>> isr: 2,3,1 >>>> >>>> When I am running the code, this is what I saw on the screen, seems no >>>> error, but no message print out as well: >>>> >>>> SLF4J: Class path contains multiple SLF4J bindings. >>>> SLF4J: Found binding in >>>> [jar:file:/etc/storm-0.9.0.1/lib/logback-classic-1.0.6.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>> SLF4J: Found binding in >>>> [jar:file:/home/stuser/kafkaprj/kafka-storm-bitmap/target/kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >>>> explanation. >>>> Running: java -client -Dstorm.options= -Dstorm.home=/etc/storm-0.9.0.1 >>>> -Djava.library.path=/usr/lib/jvm/java-7-openjdk-amd64 -Dstorm.conf.file= >>>> -cp >>>> /etc/storm-0.9.0.1/storm-netty-0.9.0.1.jar:/etc/storm-0.9.0.1/storm-core-0.9.0.1.jar:/etc/storm-0.9.0.1/storm-console-logging-0.9.0.1.jar:/etc/storm-0.9.0.1/lib/log4j-over-slf4j-1.6.6.jar:/etc/storm-0.9.0.1/lib/commons-io-1.4.jar:/etc/storm-0.9.0.1/lib/joda-time-2.0.jar:/etc/storm-0.9.0.1/lib/tools.nrepl-0.2.3.jar:/etc/storm-0.9.0.1/lib/servlet-api-2.5.jar:/etc/storm-0.9.0.1/lib/curator-framework-1.0.1.jar:/etc/storm-0.9.0.1/lib/core.incubator-0.1.0.jar:/etc/storm-0.9.0.1/lib/jetty-6.1.26.jar:/etc/storm-0.9.0.1/lib/commons-codec-1.4.jar:/etc/storm-0.9.0.1/lib/servlet-api-2.5-20081211.jar:/etc/storm-0.9.0.1/lib/httpclient-4.1.1.jar:/etc/storm-0.9.0.1/lib/commons-exec-1.1.jar:/etc/storm-0.9.0.1/lib/logback-classic-1.0.6.jar:/etc/storm-0.9.0.1/lib/libthrift7-0.7.0-2.jar:/etc/storm-0.9.0.1/lib/minlog-1.2.jar:/etc/storm-0.9.0.1/lib/clojure-complete-0.2.3.jar:/etc/storm-0.9.0.1/lib/clojure-1.4.0.jar:/etc/storm-0.9.0.1/lib/asm-4.0.jar:/etc/storm-0.9.0.1/lib/mockito-all-1.9.5.jar:/etc/storm-0.9.0.1/lib/commons-fileupload-1.2.1.jar:/etc/storm-0.9.0.1/lib/clout-1.0.1.jar:/etc/storm-0.9.0.1/lib/ring-servlet-0.3.11.jar:/etc/storm-0.9.0.1/lib/ring-devel-0.3.11.jar:/etc/storm-0.9.0.1/lib/jgrapht-0.8.3.jar:/etc/storm-0.9.0.1/lib/snakeyaml-1.11.jar:/etc/storm-0.9.0.1/lib/reflectasm-1.07-shaded.jar:/etc/storm-0.9.0.1/lib/kryo-2.17.jar:/etc/storm-0.9.0.1/lib/ring-jetty-adapter-0.3.11.jar:/etc/storm-0.9.0.1/lib/compojure-1.1.3.jar:/etc/storm-0.9.0.1/lib/objenesis-1.2.jar:/etc/storm-0.9.0.1/lib/commons-logging-1.1.1.jar:/etc/storm-0.9.0.1/lib/tools.macro-0.1.0.jar:/etc/storm-0.9.0.1/lib/junit-3.8.1.jar:/etc/storm-0.9.0.1/lib/json-simple-1.1.jar:/etc/storm-0.9.0.1/lib/tools.cli-0.2.2.jar:/etc/storm-0.9.0.1/lib/curator-client-1.0.1.jar:/etc/storm-0.9.0.1/lib/jline-0.9.94.jar:/etc/storm-0.9.0.1/lib/zookeeper-3.3.3.jar:/etc/storm-0.9.0.1/lib/guava-13.0.jar:/etc/storm-0.9.0.1/lib/commons-lang-2.5.jar:/etc/storm-0.9.0.1/lib/carbonite-1.5.0.jar:/etc/storm-0.9.0.1/lib/ring-core-1.1.5.jar:/etc/storm-0.9.0.1/lib/jzmq-2.1.0.jar:/etc/storm-0.9.0.1/lib/hiccup-0.3.6.jar:/etc/storm-0.9.0.1/lib/tools.logging-0.2.3.jar:/etc/storm-0.9.0.1/lib/kafka_2.9.2-0.8.0.jar:/etc/storm-0.9.0.1/lib/clj-stacktrace-0.2.2.jar:/etc/storm-0.9.0.1/lib/math.numeric-tower-0.0.1.jar:/etc/storm-0.9.0.1/lib/slf4j-api-1.6.5.jar:/etc/storm-0.9.0.1/lib/netty-3.6.3.Final.jar:/etc/storm-0.9.0.1/lib/disruptor-2.10.1.jar:/etc/storm-0.9.0.1/lib/jetty-util-6.1.26.jar:/etc/storm-0.9.0.1/lib/httpcore-4.1.jar:/etc/storm-0.9.0.1/lib/logback-core-1.0.6.jar:/etc/storm-0.9.0.1/lib/clj-time-0.4.1.jar:target/kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar:/etc/storm-0.9.0.1/conf:/etc/storm-0.9.0.1/bin >>>> -Dstorm.jar=target/kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar >>>> storm.artemis.KafkaConsumerTopology KafkaConsumerTopology >>>> SLF4J: Class path contains multiple SLF4J bindings. >>>> SLF4J: Found binding in >>>> [jar:file:/etc/storm-0.9.0.1/lib/logback-classic-1.0.6.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>> SLF4J: Found binding in >>>> [jar:file:/home/stuser/kafkaprj/kafka-storm-bitmap/target/kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >>>> explanation. >>>> 1113 [main] INFO backtype.storm.zookeeper - Starting inprocess >>>> zookeeper at port 2000 and dir /tmp/dd37d0cc-79b3-4f23-b6a5-3bcf5a9f0879 >>>> 1216 [main] INFO backtype.storm.daemon.nimbus - Starting Nimbus with >>>> conf {"dev.zookeeper.path" "/tmp/dev-storm-zookeeper", >>>> "topology.tick.tuple.freq.secs" nil, >>>> "topology.builtin.metrics.bucket.size.secs" 60, >>>> "topology.fall.back.on.java.serialization" true, >>>> "topology.max.error.report.per.interval" 5, "zmq.linger.millis" 0, >>>> "topology.skip.missing.kryo.registrations" true, >>>> "storm.messaging.netty.client_worker_threads" 1, "ui.childopts" "-Xmx768m", >>>> "storm.zookeeper.session.timeout" 20000, "nimbus.reassign" true, >>>> "topology.trident.batch.emit.interval.millis" 50, >>>> "nimbus.monitor.freq.secs" 10, "logviewer.childopts" "-Xmx128m", >>>> "java.library.path" "/usr/lib/jvm/java-7-openjdk-amd64", >>>> "topology.executor.send.buffer.size" 1024, "storm.local.dir" >>>> "/tmp/cf44f174-2cda-4e67-8c85-e9f96897fcd9", >>>> "storm.messaging.netty.buffer_size" 5242880, >>>> "supervisor.worker.start.timeout.secs" 120, >>>> "topology.enable.message.timeouts" true, "nimbus.cleanup.inbox.freq.secs" >>>> 600, "nimbus.inbox.jar.expiration.secs" 3600, "drpc.worker.threads" 64, >>>> "topology.worker.shared.thread.pool.size" 4, "nimbus.host" "10.100.70.128", >>>> "storm.messaging.netty.min_wait_ms" 100, "storm.zookeeper.port" 2000, >>>> "transactional.zookeeper.port" nil, "topology.executor.receive.buffer.size" >>>> 1024, "transactional.zookeeper.servers" nil, "storm.zookeeper.root" >>>> "/storm", "storm.zookeeper.retry.intervalceiling.millis" 30000, >>>> "supervisor.enable" true, "storm.messaging.netty.server_worker_threads" 1, >>>> "storm.zookeeper.servers" ["localhost"], "transactional.zookeeper.root" >>>> "/transactional", "topology.acker.executors" nil, >>>> "topology.transfer.buffer.size" 1024, "topology.worker.childopts" nil, >>>> "drpc.queue.size" 128, "worker.childopts" "-Xmx768m", >>>> "supervisor.heartbeat.frequency.secs" 5, >>>> "topology.error.throttle.interval.secs" 10, "zmq.hwm" 0, "drpc.port" 3772, >>>> "supervisor.monitor.frequency.secs" 3, "drpc.childopts" "-Xmx768m", >>>> "topology.receiver.buffer.size" 8, "task.heartbeat.frequency.secs" 3, >>>> "topology.tasks" nil, "storm.messaging.netty.max_retries" 30, >>>> "topology.spout.wait.strategy" >>>> "backtype.storm.spout.SleepSpoutWaitStrategy", "topology.max.spout.pending" >>>> nil, "storm.zookeeper.retry.interval" 1000, " >>>> topology.sleep.spout.wait.strategy.time.ms" 1, >>>> "nimbus.topology.validator" >>>> "backtype.storm.nimbus.DefaultTopologyValidator", "supervisor.slots.ports" >>>> [6700 6701 6702 6703], "topology.debug" false, "nimbus.task.launch.secs" >>>> 120, "nimbus.supervisor.timeout.secs" 60, "topology.message.timeout.secs" >>>> 30, "task.refresh.poll.secs" 10, "topology.workers" 1, >>>> "supervisor.childopts" "-Xmx256m", "nimbus.thrift.port" 6627, >>>> "topology.stats.sample.rate" 0.05, "worker.heartbeat.frequency.secs" 1, >>>> "topology.tuple.serializer" >>>> "backtype.storm.serialization.types.ListDelegateSerializer", >>>> "topology.disruptor.wait.strategy" >>>> "com.lmax.disruptor.BlockingWaitStrategy", "nimbus.task.timeout.secs" 30, >>>> "storm.zookeeper.connection.timeout" 15000, "topology.kryo.factory" >>>> "backtype.storm.serialization.DefaultKryoFactory", "drpc.invocations.port" >>>> 3773, "logviewer.port" 8000, "zmq.threads" 1, "storm.zookeeper.retry.times" >>>> 5, "storm.thrift.transport" >>>> "backtype.storm.security.auth.SimpleTransportPlugin", >>>> "topology.state.synchronization.timeout.secs" 60, >>>> "supervisor.worker.timeout.secs" 30, "nimbus.file.copy.expiration.secs" >>>> 600, "storm.messaging.transport" "backtype.storm.messaging.zmq", " >>>> logviewer.appender.name" "A1", "storm.messaging.netty.max_wait_ms" >>>> 1000, "drpc.request.timeout.secs" 600, "storm.local.mode.zmq" false, >>>> "ui.port" 8080, "nimbus.childopts" "-Xmx1024m", "storm.cluster.mode" >>>> "local", "topology.optimize" true, "topology.max.task.parallelism" nil} >>>> 1219 [main] INFO backtype.storm.daemon.nimbus - Using default scheduler >>>> 1237 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1303 [main-EventThread] INFO backtype.storm.zookeeper - Zookeeper >>>> state update: :connected:none >>>> 1350 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1417 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1432 [main-EventThread] INFO backtype.storm.zookeeper - Zookeeper >>>> state update: :connected:none >>>> 1482 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1484 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1532 [main-EventThread] INFO backtype.storm.zookeeper - Zookeeper >>>> state update: :connected:none >>>> 1540 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1568 [main] INFO backtype.storm.daemon.supervisor - Starting >>>> Supervisor with conf {"dev.zookeeper.path" "/tmp/dev-storm-zookeeper", >>>> "topology.tick.tuple.freq.secs" nil, >>>> "topology.builtin.metrics.bucket.size.secs" 60, >>>> "topology.fall.back.on.java.serialization" true, >>>> "topology.max.error.report.per.interval" 5, "zmq.linger.millis" 0, >>>> "topology.skip.missing.kryo.registrations" true, >>>> "storm.messaging.netty.client_worker_threads" 1, "ui.childopts" "-Xmx768m", >>>> "storm.zookeeper.session.timeout" 20000, "nimbus.reassign" true, >>>> "topology.trident.batch.emit.interval.millis" 50, >>>> "nimbus.monitor.freq.secs" 10, "logviewer.childopts" "-Xmx128m", >>>> "java.library.path" "/usr/lib/jvm/java-7-openjdk-amd64", >>>> "topology.executor.send.buffer.size" 1024, "storm.local.dir" >>>> "/tmp/3e515769-ebf5-4085-a6bf-35f4ad8be388", >>>> "storm.messaging.netty.buffer_size" 5242880, >>>> "supervisor.worker.start.timeout.secs" 120, >>>> "topology.enable.message.timeouts" true, "nimbus.cleanup.inbox.freq.secs" >>>> 600, "nimbus.inbox.jar.expiration.secs" 3600, "drpc.worker.threads" 64, >>>> "topology.worker.shared.thread.pool.size" 4, "nimbus.host" "10.100.70.128", >>>> "storm.messaging.netty.min_wait_ms" 100, "storm.zookeeper.port" 2000, >>>> "transactional.zookeeper.port" nil, "topology.executor.receive.buffer.size" >>>> 1024, "transactional.zookeeper.servers" nil, "storm.zookeeper.root" >>>> "/storm", "storm.zookeeper.retry.intervalceiling.millis" 30000, >>>> "supervisor.enable" true, "storm.messaging.netty.server_worker_threads" 1, >>>> "storm.zookeeper.servers" ["localhost"], "transactional.zookeeper.root" >>>> "/transactional", "topology.acker.executors" nil, >>>> "topology.transfer.buffer.size" 1024, "topology.worker.childopts" nil, >>>> "drpc.queue.size" 128, "worker.childopts" "-Xmx768m", >>>> "supervisor.heartbeat.frequency.secs" 5, >>>> "topology.error.throttle.interval.secs" 10, "zmq.hwm" 0, "drpc.port" 3772, >>>> "supervisor.monitor.frequency.secs" 3, "drpc.childopts" "-Xmx768m", >>>> "topology.receiver.buffer.size" 8, "task.heartbeat.frequency.secs" 3, >>>> "topology.tasks" nil, "storm.messaging.netty.max_retries" 30, >>>> "topology.spout.wait.strategy" >>>> "backtype.storm.spout.SleepSpoutWaitStrategy", "topology.max.spout.pending" >>>> nil, "storm.zookeeper.retry.interval" 1000, " >>>> topology.sleep.spout.wait.strategy.time.ms" 1, >>>> "nimbus.topology.validator" >>>> "backtype.storm.nimbus.DefaultTopologyValidator", "supervisor.slots.ports" >>>> (1 2 3), "topology.debug" false, "nimbus.task.launch.secs" 120, >>>> "nimbus.supervisor.timeout.secs" 60, "topology.message.timeout.secs" 30, >>>> "task.refresh.poll.secs" 10, "topology.workers" 1, "supervisor.childopts" >>>> "-Xmx256m", "nimbus.thrift.port" 6627, "topology.stats.sample.rate" 0.05, >>>> "worker.heartbeat.frequency.secs" 1, "topology.tuple.serializer" >>>> "backtype.storm.serialization.types.ListDelegateSerializer", >>>> "topology.disruptor.wait.strategy" >>>> "com.lmax.disruptor.BlockingWaitStrategy", "nimbus.task.timeout.secs" 30, >>>> "storm.zookeeper.connection.timeout" 15000, "topology.kryo.factory" >>>> "backtype.storm.serialization.DefaultKryoFactory", "drpc.invocations.port" >>>> 3773, "logviewer.port" 8000, "zmq.threads" 1, "storm.zookeeper.retry.times" >>>> 5, "storm.thrift.transport" >>>> "backtype.storm.security.auth.SimpleTransportPlugin", >>>> "topology.state.synchronization.timeout.secs" 60, >>>> "supervisor.worker.timeout.secs" 30, "nimbus.file.copy.expiration.secs" >>>> 600, "storm.messaging.transport" "backtype.storm.messaging.zmq", " >>>> logviewer.appender.name" "A1", "storm.messaging.netty.max_wait_ms" >>>> 1000, "drpc.request.timeout.secs" 600, "storm.local.mode.zmq" false, >>>> "ui.port" 8080, "nimbus.childopts" "-Xmx1024m", "storm.cluster.mode" >>>> "local", "topology.optimize" true, "topology.max.task.parallelism" nil} >>>> 1576 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1582 [main-EventThread] INFO backtype.storm.zookeeper - Zookeeper >>>> state update: :connected:none >>>> 1590 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1632 [main] INFO backtype.storm.daemon.supervisor - Starting >>>> supervisor with id 944e6152-ca58-4d2b-8325-94ac98f43995 at host DO-mq-dev >>>> 1636 [main] INFO backtype.storm.daemon.supervisor - Starting >>>> Supervisor with conf {"dev.zookeeper.path" "/tmp/dev-storm-zookeeper", >>>> "topology.tick.tuple.freq.secs" nil, >>>> "topology.builtin.metrics.bucket.size.secs" 60, >>>> "topology.fall.back.on.java.serialization" true, >>>> "topology.max.error.report.per.interval" 5, "zmq.linger.millis" 0, >>>> "topology.skip.missing.kryo.registrations" true, >>>> "storm.messaging.netty.client_worker_threads" 1, "ui.childopts" "-Xmx768m", >>>> "storm.zookeeper.session.timeout" 20000, "nimbus.reassign" true, >>>> "topology.trident.batch.emit.interval.millis" 50, >>>> "nimbus.monitor.freq.secs" 10, "logviewer.childopts" "-Xmx128m", >>>> "java.library.path" "/usr/lib/jvm/java-7-openjdk-amd64", >>>> "topology.executor.send.buffer.size" 1024, "storm.local.dir" >>>> "/tmp/d0aeb5f4-0830-4efd-be7f-bc40d5b66912", >>>> "storm.messaging.netty.buffer_size" 5242880, >>>> "supervisor.worker.start.timeout.secs" 120, >>>> "topology.enable.message.timeouts" true, "nimbus.cleanup.inbox.freq.secs" >>>> 600, "nimbus.inbox.jar.expiration.secs" 3600, "drpc.worker.threads" 64, >>>> "topology.worker.shared.thread.pool.size" 4, "nimbus.host" "10.100.70.128", >>>> "storm.messaging.netty.min_wait_ms" 100, "storm.zookeeper.port" 2000, >>>> "transactional.zookeeper.port" nil, "topology.executor.receive.buffer.size" >>>> 1024, "transactional.zookeeper.servers" nil, "storm.zookeeper.root" >>>> "/storm", "storm.zookeeper.retry.intervalceiling.millis" 30000, >>>> "supervisor.enable" true, "storm.messaging.netty.server_worker_threads" 1, >>>> "storm.zookeeper.servers" ["localhost"], "transactional.zookeeper.root" >>>> "/transactional", "topology.acker.executors" nil, >>>> "topology.transfer.buffer.size" 1024, "topology.worker.childopts" nil, >>>> "drpc.queue.size" 128, "worker.childopts" "-Xmx768m", >>>> "supervisor.heartbeat.frequency.secs" 5, >>>> "topology.error.throttle.interval.secs" 10, "zmq.hwm" 0, "drpc.port" 3772, >>>> "supervisor.monitor.frequency.secs" 3, "drpc.childopts" "-Xmx768m", >>>> "topology.receiver.buffer.size" 8, "task.heartbeat.frequency.secs" 3, >>>> "topology.tasks" nil, "storm.messaging.netty.max_retries" 30, >>>> "topology.spout.wait.strategy" >>>> "backtype.storm.spout.SleepSpoutWaitStrategy", "topology.max.spout.pending" >>>> nil, "storm.zookeeper.retry.interval" 1000, " >>>> topology.sleep.spout.wait.strategy.time.ms" 1, >>>> "nimbus.topology.validator" >>>> "backtype.storm.nimbus.DefaultTopologyValidator", "supervisor.slots.ports" >>>> (4 5 6), "topology.debug" false, "nimbus.task.launch.secs" 120, >>>> "nimbus.supervisor.timeout.secs" 60, "topology.message.timeout.secs" 30, >>>> "task.refresh.poll.secs" 10, "topology.workers" 1, "supervisor.childopts" >>>> "-Xmx256m", "nimbus.thrift.port" 6627, "topology.stats.sample.rate" 0.05, >>>> "worker.heartbeat.frequency.secs" 1, "topology.tuple.serializer" >>>> "backtype.storm.serialization.types.ListDelegateSerializer", >>>> "topology.disruptor.wait.strategy" >>>> "com.lmax.disruptor.BlockingWaitStrategy", "nimbus.task.timeout.secs" 30, >>>> "storm.zookeeper.connection.timeout" 15000, "topology.kryo.factory" >>>> "backtype.storm.serialization.DefaultKryoFactory", "drpc.invocations.port" >>>> 3773, "logviewer.port" 8000, "zmq.threads" 1, "storm.zookeeper.retry.times" >>>> 5, "storm.thrift.transport" >>>> "backtype.storm.security.auth.SimpleTransportPlugin", >>>> "topology.state.synchronization.timeout.secs" 60, >>>> "supervisor.worker.timeout.secs" 30, "nimbus.file.copy.expiration.secs" >>>> 600, "storm.messaging.transport" "backtype.storm.messaging.zmq", " >>>> logviewer.appender.name" "A1", "storm.messaging.netty.max_wait_ms" >>>> 1000, "drpc.request.timeout.secs" 600, "storm.local.mode.zmq" false, >>>> "ui.port" 8080, "nimbus.childopts" "-Xmx1024m", "storm.cluster.mode" >>>> "local", "topology.optimize" true, "topology.max.task.parallelism" nil} >>>> 1638 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1648 [main-EventThread] INFO backtype.storm.zookeeper - Zookeeper >>>> state update: :connected:none >>>> 1690 [main] INFO >>>> com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>> 1740 [main] INFO backtype.storm.daemon.supervisor - Starting >>>> supervisor with id e8303ca7-9cc4-4551-8387-7559fc3c53fc at host DO-mq-dev >>>> 1944 [main] INFO backtype.storm.daemon.nimbus - Received topology >>>> submission for kafka with conf {"topology.max.task.parallelism" nil, >>>> "topology.acker.executors" nil, "topology.kryo.register" >>>> {"storm.trident.topology.TransactionAttempt" nil}, >>>> "topology.kryo.decorators" (), "topology.name" "kafka", "storm.id" >>>> "kafka-1-1407257070", "topology.debug" true} >>>> 1962 [main] INFO backtype.storm.daemon.nimbus - Activating kafka: >>>> kafka-1-1407257070 >>>> 2067 [main] INFO backtype.storm.scheduler.EvenScheduler - Available >>>> slots: (["944e6152-ca58-4d2b-8325-94ac98f43995" 1] >>>> ["944e6152-ca58-4d2b-8325-94ac98f43995" 2] >>>> ["944e6152-ca58-4d2b-8325-94ac98f43995" 3] >>>> ["e8303ca7-9cc4-4551-8387-7559fc3c53fc" 4] >>>> ["e8303ca7-9cc4-4551-8387-7559fc3c53fc" 5] >>>> ["e8303ca7-9cc4-4551-8387-7559fc3c53fc" 6]) >>>> 2088 [main] INFO backtype.storm.daemon.nimbus - Setting new assignment >>>> for topology id kafka-1-1407257070: >>>> #backtype.storm.daemon.common.Assignment{:master-code-dir >>>> "/tmp/cf44f174-2cda-4e67-8c85-e9f96897fcd9/nimbus/stormdist/kafka-1-1407257070", >>>> :node->host {"944e6152-ca58-4d2b-8325-94ac98f43995" "DO-mq-dev"}, >>>> :executor->node+port {[3 3] ["944e6152-ca58-4d2b-8325-94ac98f43995" 1], [5 >>>> 5] ["944e6152-ca58-4d2b-8325-94ac98f43995" 1], [4 4] >>>> ["944e6152-ca58-4d2b-8325-94ac98f43995" 1], [2 2] >>>> ["944e6152-ca58-4d2b-8325-94ac98f43995" 1], [1 1] >>>> ["944e6152-ca58-4d2b-8325-94ac98f43995" 1]}, :executor->start-time-secs {[1 >>>> 1] 1407257070, [2 2] 1407257070, [4 4] 1407257070, [5 5] 1407257070, [3 3] >>>> 1407257070}} >>>> 2215 [main] INFO backtype.storm.daemon.nimbus - Shutting down master >>>> 2223 [main] INFO backtype.storm.daemon.nimbus - Shut down master >>>> 2239 [main] INFO backtype.storm.daemon.supervisor - Shutting down >>>> supervisor 944e6152-ca58-4d2b-8325-94ac98f43995 >>>> 2240 [Thread-6] INFO backtype.storm.event - Event manager interrupted >>>> 2241 [Thread-7] INFO backtype.storm.event - Event manager interrupted >>>> 2248 [main] INFO backtype.storm.daemon.supervisor - Shutting down >>>> supervisor e8303ca7-9cc4-4551-8387-7559fc3c53fc >>>> 2248 [Thread-9] INFO backtype.storm.event - Event manager interrupted >>>> 2248 [Thread-10] INFO backtype.storm.event - Event manager interrupted >>>> 2256 [main] INFO backtype.storm.testing - Shutting down in process >>>> zookeeper >>>> 2257 [main] INFO backtype.storm.testing - Done shutting down in >>>> process zookeeper >>>> 2258 [main] INFO backtype.storm.testing - Deleting temporary path >>>> /tmp/cf44f174-2cda-4e67-8c85-e9f96897fcd9 >>>> 2259 [main] INFO backtype.storm.testing - Deleting temporary path >>>> /tmp/dd37d0cc-79b3-4f23-b6a5-3bcf5a9f0879 >>>> 2260 [main] INFO backtype.storm.testing - Deleting temporary path >>>> /tmp/3e515769-ebf5-4085-a6bf-35f4ad8be388 >>>> 2261 [main] INFO backtype.storm.testing - Deleting temporary path >>>> /tmp/d0aeb5f4-0830-4efd-be7f-bc40d5b66912 >>>> >>>> Anyone can help me locate what the problem is? I really need to walk >>>> through this step in order to be able to replace .each(printStream()) with >>>> other functions. >>>> >>>> >>>> Thanks >>>> >>>> Alec >>>> >>>> On Aug 4, 2014, at 4:24 AM, Marcelo Valle <[email protected]> wrote: >>>> >>>> hello, >>>> >>>> you can check your .jar application with command " jar tf " to see if >>>> class kafka/api/OffsetRequest.class is part of the jar. >>>> If not you can try to copy kafka-2.9.2-0.8.0.jar (or version you are >>>> using) in storm_lib directory >>>> >>>> Marcelo >>>> >>>> >>>> 2014-07-31 23:33 GMT+02:00 Sa Li <[email protected]>: >>>> >>>>> Hi, all >>>>> >>>>> I am running a kafka-spout code in storm-server, the pom is >>>>> >>>>> <groupId>org.apache.kafka</groupId> >>>>> <artifactId>kafka_2.9.2</artifactId> >>>>> <version>0.8.0</version> >>>>> <scope>provided</scope> >>>>> >>>>> <exclusions> >>>>> <exclusion> >>>>> <groupId>org.apache.zookeeper</groupId> >>>>> <artifactId>zookeeper</artifactId> >>>>> </exclusion> >>>>> <exclusion> >>>>> <groupId>log4j</groupId> >>>>> <artifactId>log4j</artifactId> >>>>> </exclusion> >>>>> </exclusions> >>>>> >>>>> </dependency> >>>>> >>>>> <!-- Storm-Kafka compiled --> >>>>> >>>>> <dependency> >>>>> <artifactId>storm-kafka</artifactId> >>>>> <groupId>org.apache.storm</groupId> >>>>> <version>0.9.2-incubating</version> >>>>> <scope>*compile*</scope> >>>>> </dependency> >>>>> >>>>> I can mvn package it, but when I run it >>>>> root@DO-mq-dev:/home/stuser/kafkaprj/kafka-storm-bitmap# storm jar >>>>> target/kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar >>>>> storm.artemis.KafkaConsumerTopology KafkaConsumerTopology >>>>> >>>>> >>>>> I am getting such error >>>>> >>>>> 1657 [main] >>>>> INFO com.netflix.curator.framework.imps.CuratorFrameworkImpl - Starting >>>>> 1682 [main] INFO backtype.storm.daemon.supervisor - Starting >>>>> supervisor with id a66e0c61-a951-4c1b-a43f-3fb0d12cb226 at host DO-mq-dev >>>>> 1698 [main] ERROR org.apache.zookeeper.server.NIOServerCnxn - Thread >>>>> Thread[main,5,main] died >>>>> java.lang.NoClassDefFoundError: kafka/api/OffsetRequest >>>>> at storm.artemis.kafka.KafkaConfig.<init>(KafkaConfig.java:26) >>>>> ~[kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar:na] >>>>> at >>>>> storm.artemis.kafka.trident.TridentKafkaConfig.<init>(TridentKafkaConfig.java:13) >>>>> ~[kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar:na] >>>>> at >>>>> storm.artemis.KafkaConsumerTopology.buildTopology(KafkaConsumerTopology.java:115) >>>>> ~[kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar:na] >>>>> at >>>>> storm.artemis.KafkaConsumerTopology.main(KafkaConsumerTopology.java:144) >>>>> ~[kafka-storm-bitmap-0.0.1-SNAPSHOT-jar-with-dependencies.jar:na] >>>>> Caused by: java.lang.ClassNotFoundException: kafka.api.OffsetRequest >>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>>>> ~[na:1.7.0_55] >>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>>>> ~[na:1.7.0_55] >>>>> at java.security.AccessController.doPrivileged(Native Method) >>>>> ~[na:1.7.0_55] >>>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>>>> ~[na:1.7.0_55] >>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:425) >>>>> ~[na:1.7.0_55] >>>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >>>>> ~[na:1.7.0_55] >>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:358) >>>>> ~[na:1.7.0_55] >>>>> >>>>> >>>>> >>>>> >>>>> I try to poke around online, could not find a solution for it, any >>>>> idea about that? >>>>> >>>>> >>>>> Thanks >>>>> >>>>> Alec >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>> >> >> > >
