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What’s the difference between a ClassNotFoundException and NoClassDefFoundError?

Technology Community › Category: Java › What’s the difference between a ClassNotFoundException and NoClassDefFoundError?
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VietMX Staff asked 4 years ago
  • A ClassNotFoundException means the class file for a requested class is not on the classpath of the application.
  • A NoClassDefFoundErrormeans that the class file existed at runtime, but for some reason the class could not be turned into a Class definition. A common cause is an exception being thrown in static initialization blocks.
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