java.lang.IllegalArgumentException

JsonSerializer of type CustomSerializer does not define valid handledType() -- must either register with method that takes type argument or make serializer extend 'com.fasterxml.jackson.databind.ser.std.StdSerializer'

Solutions on the web25962

  • JsonSerializer of type CustomSerializer does not define valid handledType() -- must either register with method that takes type argument or make serializer extend 'com.fasterxml.jackson.databind.ser.std.StdSerializer'
  • via Stack Overflow by Jonas
    , 1 year ago
    JsonSerializer of type com.example.ItemSerializer does not define valid handledType() (use alternative registration method?)
  • JsonSerializer of type com.example.ItemSerializer does not define valid handledType() (use alternative registration method?)
  • Stack trace

    • java.lang.IllegalArgumentException: JsonSerializer of type CustomSerializer does not define valid handledType() -- must either register with method that takes type argument or make serializer extend 'com.fasterxml.jackson.databind.ser.std.StdSerializer' at com.fasterxml.jackson.databind.module.SimpleSerializers.addSerializer(SimpleSerializers.java:80) at com.fasterxml.jackson.databind.module.SimpleModule.addSerializer(SimpleModule.java:240)

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    Once, 1 year ago