java.lang.NoClassDefFoundError: cascading/flow/FlowConnector

Google Groups | Unknown author | 1 year ago
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  1. 0

    Repl seems broken in local mode

    GitHub | 7 months ago | johnynek
    java.lang.NoClassDefFoundError: cascading/flow/FlowConnector
  2. 0

    Problems building Scalding and Running REPL locally

    Google Groups | 1 year ago | Unknown author
    java.lang.NoClassDefFoundError: cascading/flow/FlowConnector
  3. 0
    samebug tip
    A few things cause this exception: 1) Check if you have all jars and if they're in the correct path when running. 2) Your classpath might be broken, you can define it in the command line with "java -cp yourClassPath" or at your IDE if you're using one.
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  5. 0
    samebug tip
    If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add to your dependencies. To add it, the groupId is com.fasterxml and artifactId is Classmate.
  6. 0
    samebug tip
    Check if you didn't forget to instantiate your topic in the kafka broker.

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Root Cause Analysis

  1. java.lang.ClassNotFoundException


  2. Java RT
    2. java.lang.ClassLoader.loadClass(
    3. java.lang.ClassLoader.loadClass(
    3 frames
  3. Scalding
    1. com.twitter.scalding.Mode$.apply(Mode.scala:87)
    2. com.twitter.scalding.BaseScaldingShell$class.parseModeArgs(ScaldingShell.scala:117)
    3. com.twitter.scalding.ScaldingShell$.parseModeArgs(ScaldingShell.scala:196)
    4. com.twitter.scalding.BaseScaldingShell$class.process(ScaldingShell.scala:66)
    5. com.twitter.scalding.ScaldingShell$.process(ScaldingShell.scala:196)
    6. com.twitter.scalding.BaseScaldingShell$class.main(ScaldingShell.scala:127)
    7. com.twitter.scalding.ScaldingShell$.main(ScaldingShell.scala:196)
    8. com.twitter.scalding.ScaldingShell.main(ScaldingShell.scala)
    8 frames
  4. Java RT
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(
    4. java.lang.reflect.Method.invoke([trace]
    4 frames