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![image](https://user-images.githubusercontent.com/15622677/221121735-39571dc2-d771-493a-9d3c-14f8a8ee239f.png)
ReflectionPackableMethod类中 argument.getClass().getName()报空指针
            for (Object argument : arguments) {
                builder.addArgTypes(argument.getClass().getName());
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                multipleSerialization.serialize(url, serialize, argument.getClass(), argument, bos);
                builder.addArgs(bos.toByteArray());
            }
private final boolean singleArgument;
        private PbArrayPacker(boolean singleArgument) {
            this.singleArgument = singleArgument;
        }
        @Override
        public byte[] pack(Object obj) throws IOException {
            if (!singleArgument) {
                obj = ((Object[]) obj)[0];
            }
            return PB_PACK.pack(obj);
        }
    }
    private class WrapRequestUnpack implements UnPack {