If you start kafka from the downloaded 0.7.2 release, I don't think you will see these errors. These are coming from zookeeper and Druid. The error complains that the scala-library.jar is not on the classpath.
Thanks, Neha On Fri, Mar 7, 2014 at 10:48 PM, David Montgomery <davidmontgom...@gmail.com > wrote: > Hi, > > I need to solve the below problem I am using druid realtime as a consumer > for druid and they have zero issue on what is going on. Whyh would kafka > thow such an error? When I produce and consume from the python lib called > brod..I have no issues. Is the below an kafka issues or consumer issue? > > using kafka 7.2.... > > the consumer that I am using throws the below error. > > This is how I install and start kafka > > tar -xzf kafka-0.7.2-incubating-src.tgz > cd kafka-0.7.2-incubating-src > ./sbt update > ./sbt package > > /var/lib/kafka-0.7.2-incubating-src/bin/kafka-server-start.sh > /var/lib/kafka-0.7.2-incubating-src/config/server.properties > > > Here is the locations of scala libs > > find / -name *scala* > /var/lib/kafka-0.7.2-incubating-src/lib/scala-library.jar > /var/lib/kafka-0.7.2-incubating-src/scala-library.jar > > /var/lib/kafka-0.7.2-incubating-src/project/boot/scala-2.7.7/lib/scala-library.jar > > /var/lib/kafka-0.7.2-incubating-src/project/boot/scala-2.8.0/lib/scala-library.jar > > > > > > 2014-03-08 06:29:30,606 INFO [main-SendThread(128.199.238.103:2181)] > org.apache.zookeeper.ClientCnxn - Opening socket connection to server > 128.199.238.103/128.199.238.103:2181. Will not attempt to authenticate > using SASL (unknown error) > 2014-03-08 06:29:30,646 INFO [main] > com.metamx.common.lifecycle.Lifecycle$AnnotationBasedHandler - Invoking > start method[public void io.druid.segment.realtime.RealtimeManager.start() > throws java.io.IOException] on > object[io.druid.segment.realtime.RealtimeManager@3ce0d280]. > 2014-03-08 06:29:30,647 INFO [main] > io.druid.segment.realtime.RealtimeManager - Calling the FireDepartment and > getting a Firehose. > 2014-03-08 06:29:30,649 ERROR [main] io.druid.cli.CliBroker - Error when > starting up. Failing. > java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > > com.metamx.common.lifecycle.Lifecycle$AnnotationBasedHandler.start(Lifecycle.java:331) > at com.metamx.common.lifecycle.Lifecycle.start(Lifecycle.java:250) > at io.druid.guice.LifecycleModule$2.start(LifecycleModule.java:136) > at io.druid.cli.GuiceRunnable.initLifecycle(GuiceRunnable.java:72) > at io.druid.cli.ServerRunnable.run(ServerRunnable.java:40) > at io.druid.cli.Main.main(Main.java:91) > Caused by: java.lang.NoClassDefFoundError: scala/ScalaObject > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:800) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) > at java.net.URLClassLoader.access$100(URLClassLoader.java:71) > at java.net.URLClassLoader$1.run(URLClassLoader.java:361) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at > > io.druid.firehose.kafka.KafkaSevenFirehoseFactory.connect(KafkaSevenFirehoseFactory.java:89) > at > io.druid.segment.realtime.FireDepartment.connect(FireDepartment.java:90) > at > > io.druid.segment.realtime.RealtimeManager$FireChief.init(RealtimeManager.java:150) > at > io.druid.segment.realtime.RealtimeManager.start(RealtimeManager.java:87) > ... 10 more > Caused by: java.lang.ClassNotFoundException: scala.ScalaObject > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > ... 25 more >