java.lang.ClassNotFoundException: akka.actor.MissingExtension

GitHub | chris-martin | 7 months ago
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  1. 0

    GitHub comment 21375#244859058

    GitHub | 7 months ago | chris-martin
    java.lang.ClassNotFoundException: akka.actor.MissingExtension
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    ClassNotFoundException while trying to use slick codegen

    Stack Overflow | 5 months ago | Deliganli
    java.lang.ClassNotFoundException: com.my.name.CustomCodeGenerator
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    GitHub comment 47#134385358

    GitHub | 2 years ago | JoshRosen
    java.lang.ClassNotFoundException: org.apache.spark.sql.jdbc.package$DriverRegistry$
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  5. 0
    samebug tip
    This exception normally means you either have to add the said class to your dependencies or you miswrote it. Look in the documentation of your library how to add it as a dependency.
  6. 0
    samebug tip
    If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add with the following: <groupId>com.fasterxml</groupId> <artifactId>classmate</artifactId> <version>1.0</version>

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    akka.actor.MissingExtension

    at java.lang.ClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.findClass(ClassLoader.java:530)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    2 frames
  3. SBT
    ClasspathFilter.loadClass
    1. sbt.classpath.ClasspathFilter.loadClass(ClassLoaders.scala:59)
    1 frame
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    2. java.lang.Class.forName0(Native Method)
    3. java.lang.Class.forName(Class.java:348)
    3 frames
  5. Akka Actor
    ReflectiveDynamicAccess$$anonfun$getClassFor$1.apply
    1. akka.actor.ReflectiveDynamicAccess$$anonfun$getClassFor$1.apply(ReflectiveDynamicAccess.scala:21)
    2. akka.actor.ReflectiveDynamicAccess$$anonfun$getClassFor$1.apply(ReflectiveDynamicAccess.scala:20)
    2 frames
  6. Scala
    Try$.apply
    1. scala.util.Try$.apply(Try.scala:192)
    1 frame
  7. Akka Actor
    ActorSystemImpl$$anonfun$loadExtensions$1$1$$anonfun$1.applyOrElse
    1. akka.actor.ReflectiveDynamicAccess.getClassFor(ReflectiveDynamicAccess.scala:20)
    2. akka.actor.ReflectiveDynamicAccess.createInstanceFor(ReflectiveDynamicAccess.scala:38)
    3. akka.actor.ActorSystemImpl$$anonfun$loadExtensions$1$1$$anonfun$1.applyOrElse(ActorSystem.scala:769)
    4. akka.actor.ActorSystemImpl$$anonfun$loadExtensions$1$1$$anonfun$1.applyOrElse(ActorSystem.scala:769)
    4 frames