java.lang.IncompatibleClassChangeError: Implementing class

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.scalatest.tools.Runner$$anonfun$35.apply(Runner.scala:2438)
at scala.collection.TraversableLike$$anonfun$filter$1.apply(TraversableLike.scala:264)
at scala.collection.immutable.List.foreach(List.scala:318)
at scala.collection.TraversableLike$class.filter(TraversableLike.scala:263)
at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2436)
at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
at org.scalatest.tools.Runner$.main(Runner.scala:860)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at scala.tools.eclipse.scalatest.launching.ScalaTestLauncher$.main(ScalaTestLauncher.scala:20)
at scala.tools.eclipse.scalatest.launching.ScalaTestLauncher.main(ScalaTestLauncher.scala)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 2 years ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
4 times, 6 months ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
92 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.