So an update. The required version of log4j is
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
Joe, why is this so hard / undocumented / not caught at compile time?
Now we have another error:
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:5
7)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp
l.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.simontuffs.onejar.Boot.run(Boot.java:340)
at com.simontuffs.onejar.Boot.main(Boot.java:166)
Caused by: java.lang.NoClassDefFoundError:
org/I0Itec/zkclient/IZkStateListener
at
kafka.javaapi.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerC
onnector.scala:64)
at
kafka.javaapi.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerC
onnector.scala:66)
at
kafka.consumer.Consumer$.createJavaConsumerConnector(ConsumerConnector.scal
a:100)
at
kafka.consumer.Consumer.createJavaConsumerConnector(ConsumerConnector.scala
)
... 6 more
Caused by: java.lang.ClassNotFoundException:
org.I0Itec.zkclient.IZkStateListener
at
com.simontuffs.onejar.JarClassLoader.findClass(JarClassLoader.java:713)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at
com.simontuffs.onejar.JarClassLoader.loadClass(JarClassLoader.java:630)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 12 more
--
On 8/27/13 9:54 AM, "David Williams" <dwilli...@truecar.com> wrote:
>Ok great, thanks. What are the other required dependencies?
>
>
>For exmaple, log4j seems needed:
>
>
>Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Logger
> at kafka.utils.Logging$class.logger(Logging.scala:24)
> at
> kafka.utils.VerifiableProperties.logger(VerifiableProperties.scala:23)
> at kafka.utils.Logging$class.info(Logging.scala:66)
> at kafka.utils.VerifiableProperties.info(VerifiableProperties.scala:23)
> at
>kafka.utils.VerifiableProperties.verify(VerifiableProperties.scala:180)
> at kafka.producer.ProducerConfig.<init>(ProducerConfig.scala:57)
>
>
>
>However adding the following dependencies are not compatible
>
><dependency>
> <groupId>org.slf4j</groupId>
> <artifactId>slf4j-api</artifactId>
> <version>1.7.5</version>
> </dependency>
> <dependency>
> <groupId>ch.qos.logback</groupId>
> <artifactId>logback-classic</artifactId>
> <version>1.0.13</version>
></dependency>
> <dependency>
> <groupId>ch.qos.logback</groupId>
> <artifactId>logback-core</artifactId>
> <version>1.0.13</version>
> </dependency>
> <dependency>
> <groupId>ch.qos.logback</groupId>
> <artifactId>log4j-bridge</artifactId>
> <version>0.9.7</version>
> </dependency>
>
>
>Because is produces this error:
>
>
>Exception in thread "main" java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
>5
>7)
> at
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm
>p
>l.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at com.simontuffs.onejar.Boot.run(Boot.java:340)
> at com.simontuffs.onejar.Boot.main(Boot.java:166)
>Caused by: java.lang.NoSuchMethodError:
>ch.qos.logback.classic.Logger.filterAndLog(Ljava/lang/String;Lorg/slf4j/Ma
>r
>ker;Lch/qos/logback/classic/Level;Ljava/lang/String;[Ljava/lang/Object;Lja
>v
>a/lang/Throwable;)V
> at org.apache.log4j.Category.log(Category.java:333)
> at
>org.apache.commons.logging.impl.Log4JLogger.debug(Log4JLogger.java:177)
>
>
>
>
>
>
>--
>
>
>
>
>
>
>On 8/27/13 9:45 AM, "Joe Stein" <crypt...@gmail.com> wrote:
>
>>2.8.0, 2.8.2, 2.9.1, 2.9.2 are all supported
>>
>>your POM needs a fix though, you need to match your scala-library with
>>your
>>kafka artifactID
>>
>>so your Kafka artifactID = kafka_2.9.2 so your Scala version should be
>>2.9.2
>>
>>
>>
>>/*******************************************
>> Joe Stein
>> Founder, Principal Consultant
>> Big Data Open Source Security LLC
>> http://www.stealth.ly
>> Twitter: @allthingshadoop <http://www.twitter.com/allthingshadoop>
>>********************************************/
>>
>>
>>On Tue, Aug 27, 2013 at 12:41 PM, David Williams
>><dwilli...@truecar.com>wrote:
>>
>>> Thank you for the replies. Is there a minor version in specific you
>>> recommend using?
>>>
>>> I have tried 2.8.[012] and receive a similar runtime exception:
>>>
>>> Caused by: java.lang.NoClassDefFoundError: scala/Tuple2$mcJJ$sp
>>> at
>>>kafka.consumer.ConsumerConfig.<init>(ConsumerConfig.scala:77)
>>> at com.example.Config.createConsumerConfig(Config.java:40)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>>
>>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
>>>a
>>>:5
>>> 7)
>>> at
>>>
>>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
>>>I
>>>mp
>>> l.java:43)
>>> at java.lang.reflect.Method.invoke(Method.java:606)
>>> at
>>>
>>>org.springframework.beans.factory.support.SimpleInstantiationStrategy.in
>>>s
>>>ta
>>> ntiate(SimpleInstantiationStrategy.java:160)
>>>
>>>
>>>
>>>
>>>
>>> Just in case its useful here are my fill list of dependencies for my
>>> starter project:
>>>
>>>
>>> <dependencies>
>>> <dependency>
>>> <groupId>org.springframework</groupId>
>>> <artifactId>spring-core</artifactId>
>>> <version>3.2.4.RELEASE</version>
>>> </dependency>
>>> <dependency>
>>> <groupId>org.springframework</groupId>
>>> <artifactId>spring-context</artifactId>
>>> <version>3.2.4.RELEASE</version>
>>> </dependency>
>>> <dependency>
>>> <groupId>org.apache.kafka</groupId>
>>> <artifactId>kafka_2.9.2</artifactId>
>>> <version>0.8.0-beta1</version>
>>> </dependency>
>>> <dependency>
>>> <groupId>javax.inject</groupId>
>>> <artifactId>javax.inject</artifactId>
>>> <version>1</version>
>>> </dependency>
>>> <dependency>
>>> <groupId>org.scala-lang</groupId>
>>> <artifactId>scala-library</artifactId>
>>> <version>2.8.0</version>
>>> </dependency>
>>> </dependencies>
>>>
>>>
>>>
>>>
>>> --
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 8/26/13 9:33 PM, "Joe Stein" <crypt...@gmail.com> wrote:
>>>
>>> >Scala 2.10 support is slated for 0.8.1 release after a 0.8.0 release.
>>> >Here is the patch you can apply if you need
>>> >https://issues.apache.org/jira/browse/KAFKA-717
>>> >
>>> >
>>> >/*******************************************
>>> > Joe Stein
>>> > Founder, Principal Consultant
>>> > Big Data Open Source Security LLC
>>> > http://www.stealth.ly
>>> > Twitter: @allthingshadoop
>>> >********************************************/
>>> >
>>> >
>>> >On Aug 27, 2013, at 12:16 AM, David Williams <dwilli...@truecar.com>
>>> >wrote:
>>> >
>>> >>
>>> >> Hi Jay,
>>> >>
>>> >> To which jars are you referring? Does scala have a Maven coodinate?
>>> As
>>> >> it stands I am compiling with.
>>> >>
>>> >>
>>> >> <dependency>
>>> >> <groupId>org.scala-lang</groupId>
>>> >> <artifactId>scala-library</artifactId>
>>> >> <version>2.10.2</version>
>>> >> </dependency>
>>> >> <dependency>
>>> >> <groupId>org.scala-lang</groupId>
>>> >> <artifactId>scala-reflect</artifactId>
>>> >> <version>2.10.2</version>
>>> >> </dependency>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> On 8/26/13 8:35 PM, "Jay Kreps" <jay.kr...@gmail.com> wrote:
>>> >>
>>> >>> Nothing complex here, you just don't have the the scala library on
>>>your
>>> >>> classpath. It works just like any jar--if there is a dependency on
>>> >>>classes
>>> >>> in the jar it needs to be on the classpath.
>>> >>>
>>> >>>
>>> >>> On Mon, Aug 26, 2013 at 7:10 PM, David Williams
>>> >>> <dwilli...@truecar.com>wrote:
>>> >>>
>>> >>>> Hi all,
>>> >>>>
>>> >>>> First let me say I have detailed the description of the issue I
>>>have
>>> >>>>in
>>> >>>> an
>>> >>>> Stack Overflow Ticket here:
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>
>>> http://stackoverflow.com/questions/18455480/kafka-quickstart-java-lang-
>>> >>>>no
>>> >>>> classdeffounderror-scala-scalaobject
>>> >>>>
>>> >>>> I am trying to build a small prototype for a project in which I
>>>want
>>> >>>>to
>>> >>>> use Kafka. I am following this example:
>>> >>>>
>>> >>>>
>>> >>>>
>>> https://cwiki.apache.org/confluence/display/KAFKA/Consumer+Group+Exampl
>>> >>>>e
>>> >>>>
>>> >>>>
>>> >>>> However, when I compile and run the code I get this runtime
>>>exception.
>>> >>>> What should I do to get a working prototype / example???
>>> >>>>
>>> >>>>
>>> >>>> Exception in thread "main"
>>>java.lang.reflect.InvocationTargetException
>>> >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl
>>>>>>>.
>>>>>>>ja
>>> >>>>va
>>> >>>> :57)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcce
>>>>>>>s
>>>>>>>so
>>> >>>>rI
>>> >>>> mpl.java:43)
>>> >>>> at java.lang.reflect.Method.invoke(Method.java:606)
>>> >>>> at com.simontuffs.onejar.Boot.run(Boot.java:340)
>>> >>>> at com.simontuffs.onejar.Boot.main(Boot.java:166)
>>> >>>> Caused by: java.lang.NoClassDefFoundError: scala/ScalaObject
>>> >>>> at java.lang.ClassLoader.defineClass1(Native Method)
>>> >>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:792)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.defineClass(JarClassLoader.java
>>>>>>>:
>>>>>>>80
>>> >>>>3)
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.findClass(JarClassLoader.java:7
>>>>>>>1
>>>>>>>0)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.loadClass(JarClassLoader.java:6
>>>>>>>3
>>>>>>>0)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>> >>>> at java.lang.ClassLoader.defineClass1(Native Method)
>>> >>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:792)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.defineClass(JarClassLoader.java
>>>>>>>:
>>>>>>>80
>>> >>>>3)
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.findClass(JarClassLoader.java:7
>>>>>>>1
>>>>>>>0)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.loadClass(JarClassLoader.java:6
>>>>>>>3
>>>>>>>0)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>> >>>> at java.lang.Class.getDeclaredMethods0(Native Method)
>>> >>>> at java.lang.Class.privateGetDeclaredMethods(Class.java:2521)
>>> >>>> at java.lang.Class.getDeclaredMethods(Class.java:1845)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.core.type.StandardAnnotationMetadata.getAnnotate
>>>>>>>d
>>>>>>>Me
>>> >>>>th
>>> >>>> ods(StandardAnnotationMetadata.java:180)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.ConfigurationClassParser.doPr
>>>>>>>o
>>>>>>>ce
>>> >>>>ss
>>> >>>> ConfigurationClass(ConfigurationClassParser.java:222)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.ConfigurationClassParser.proc
>>>>>>>e
>>>>>>>ss
>>> >>>>Co
>>> >>>> nfigurationClass(ConfigurationClassParser.java:165)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.ConfigurationClassParser.pars
>>>>>>>e
>>>>>>>(C
>>> >>>>on
>>> >>>> figurationClassParser.java:140)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.ConfigurationClassPostProcess
>>>>>>>o
>>>>>>>r.
>>> >>>>pr
>>> >>>>
>>>ocessConfigBeanDefinitions(ConfigurationClassPostProcessor.java:282)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.ConfigurationClassPostProcess
>>>>>>>o
>>>>>>>r.
>>> >>>>po
>>> >>>>
>>>
>>>>>>>stProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java
>>>>>>>:
>>>>>>>22
>>> >>>>3)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.support.AbstractApplicationContext.invok
>>>>>>>e
>>>>>>>Be
>>> >>>>an
>>> >>>> FactoryPostProcessors(AbstractApplicationContext.java:630)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.support.AbstractApplicationContext.refre
>>>>>>>s
>>>>>>>h(
>>> >>>>Ab
>>> >>>> stractApplicationContext.java:461)
>>> >>>> at
>>> >>>>
>>> >>>>
>>>
>>>>>>>org.springframework.context.annotation.AnnotationConfigApplicationCo
>>>>>>>n
>>>>>>>te
>>> >>>>xt
>>> >>>> .<init>(AnnotationConfigApplicationContext.java:73)
>>> >>>> ... 6 more
>>> >>>> Caused by: java.lang.ClassNotFoundException: scala.ScalaObject
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.findClass(JarClassLoader.java:7
>>>>>>>1
>>>>>>>3)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>> >>>> at
>>> >>>>
>>>
>>>>>>>com.simontuffs.onejar.JarClassLoader.loadClass(JarClassLoader.java:6
>>>>>>>3
>>>>>>>0)
>>> >>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>> >>>> ... 34 more
>>> >>>>
>>> >>>> --
>>> >>>>
>>> >>>>
>>> >>
>>>
>>>
>
