java.lang.UnsupportedOperationException

This is supposed to be overridden by subclasses.

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  • via Unknown by Feng Xiao,
  • via Unknown by beidou77,
  • Stack trace

    • java.lang.UnsupportedOperationException: This is supposed to be overridden by subclasses. at com.google.protobuf.GeneratedMessage.getUnknownFields(GeneratedMessage.java:192)

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