Can you send me the full build file to further investigate the issue? On Fri, Mar 11, 2016 at 4:56 PM, Balaji Rajagopalan < balaji.rajagopa...@olacabs.com> wrote:
> Robert, > That did not fix it ( using flink and connector same version) . Tried > with scala version 2.11, so will try to see scala 2.10 makes any > difference. > > balaji > > On Fri, Mar 11, 2016 at 8:06 PM, Robert Metzger <rmetz...@apache.org> > wrote: > >> Hi, >> >> you have to use the same version for all dependencies from the >> "org.apache.flink" group. >> >> You said these are the versions you are using: >> >> flink.version = 0.10.2 >> kafka.verison = 0.8.2 >> flink.kafka.connection.verion=0.9.1 >> >> For the connector, you also need to use 0.10.2. >> >> >> >> On Fri, Mar 11, 2016 at 9:56 AM, Balaji Rajagopalan < >> balaji.rajagopa...@olacabs.com> wrote: >> >>> I am tyring to use the flink kafka connector, for this I have specified >>> the kafka connector dependency and created a fat jar since default flink >>> installation does not contain kafka connector jars. I have made sure that >>> flink-streaming-demo-0.1.jar has the >>> kafka.javaapi.consumer.SimpleConsumer.class but still I see the class not >>> found exception. >>> >>> The code for kafka connector in flink. >>> >>> val env = StreamExecutionEnvironment.getExecutionEnvironment >>> val prop:Properties = new Properties() >>> prop.setProperty("zookeeper.connect","somezookeer:2181") >>> prop.setProperty("group.id","some-group") >>> prop.setProperty("bootstrap.servers","somebroker:9092") >>> >>> val stream = env >>> .addSource(new FlinkKafkaConsumer082[String]("location", new >>> SimpleStringSchema, prop)) >>> >>> jar tvf flink-streaming-demo-0.1.jar | grep >>> kafka.javaapi.consumer.SimpleConsumer >>> >>> 5111 Fri Mar 11 14:18:36 UTC 2016 >>> *kafka/javaapi/consumer/SimpleConsumer*.class >>> >>> flink.version = 0.10.2 >>> kafka.verison = 0.8.2 >>> flink.kafka.connection.verion=0.9.1 >>> >>> The command that I use to run the flink program in yarn cluster is >>> below, >>> >>> HADOOP_CONF_DIR=/etc/hadoop/conf /usr/share/flink/bin/flink run -c >>> com.dataartisans.flink_demo.examples.DriverEventConsumer -m yarn-cluster >>> -yn 2 /home/balajirajagopalan/flink-streaming-demo-0.1.jar >>> >>> java.lang.NoClassDefFoundError: kafka/javaapi/consumer/SimpleConsumer >>> >>> at >>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer.getPartitionsForTopic(FlinkKafkaConsumer.java:691) >>> >>> at >>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer.<init>(FlinkKafkaConsumer.java:281) >>> >>> at >>> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer082.<init>(FlinkKafkaConsumer082.java:49) >>> >>> at >>> com.dataartisans.flink_demo.examples.DriverEventConsumer$.main(DriverEventConsumer.scala:53) >>> >>> at >>> com.dataartisans.flink_demo.examples.DriverEventConsumer.main(DriverEventConsumer.scala) >>> >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >>> >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> >>> at java.lang.reflect.Method.invoke(Method.java:497) >>> >>> at >>> org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:497) >>> >>> at >>> org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:395) >>> >>> at org.apache.flink.client.program.Client.runBlocking(Client.java:252) >>> >>> at >>> org.apache.flink.client.CliFrontend.executeProgramBlocking(CliFrontend.java:676) >>> >>> at org.apache.flink.client.CliFrontend.run(CliFrontend.java:326) >>> >>> at >>> org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:978) >>> >>> at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1028) >>> >>> Caused by: java.lang.ClassNotFoundException: >>> kafka.javaapi.consumer.SimpleConsumer >>> >>> at java.net.URLClassLoader.findClass(URLClassLoader.java:381) >>> >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424) >>> >>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) >>> >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357) >>> >>> ... 16 more >>> >>> >>> Any help appreciated. >>> >>> >>> balaji >>> >> >> >