That is ... contextual, though; an unexpected sub-message can still, depending on the implementation, be round-tripped and potentially even inspected via reflection. It won't usually *break* code, just like adding any new field. It really depends how strict you're being in you'd definitions of compatibility.
On Sat, 4 Feb 2023, 18:57 Robert Yokota, <rayok...@gmail.com> wrote: > Hi Komal, > > Forward compatibility is broken as older consumers won't understand the > new message. > > Regards, > Robert > > On Fri, Feb 3, 2023 at 8:50 AM Komal Kamble <komal.kamble...@gmail.com> > wrote: > >> Hello Robert, >> >> Could you please elaborate on reason of having check for message_removed? >> Adding new message doesn’t mean compatibility is lost. >> >> Sent from my iPhone >> >> On 04-Dec-2022, at 9:41 AM, Robert Yokota <rayok...@gmail.com> wrote: >> >> >> Hi, >> >> I believe this is coming from the Confluent compatibility checker. (I >> work for Confluent.) >> >> A forward compatibility check is just a backward compatibility check with >> the arguments reversed. Since removing a message is not backward >> compatible, adding a message is not forward compatible. >> >> Hope that helps, >> Robert >> >> On Sun, Dec 4, 2022 at 6:35 AM 'Adam Cozzette' via Protocol Buffers < >> protobuf@googlegroups.com> wrote: >> >>> I don't think we maintain any code that returns that kind of error. Do >>> you know where that error is coming from? Is it from some external protobuf >>> compatibility checker? >>> >>> On Thu, Dec 1, 2022 at 4:21 AM Komal Kamble <komal.kamble...@gmail.com> >>> wrote: >>> >>>> >>>> Hello Adam Cozzette, >>>> We are getting Found incompatibility change error of type >>>> MESSAGE_REMOVED. >>>> >>>> >>>> On 02-Nov-2022, at 11:41 PM, Adam Cozzette <acozze...@google.com> >>>> wrote: >>>> >>>> >>>> Adding more message types to the proto file is fine and has no >>>> compatibility issues. Can you say more about the error you're getting? >>>> >>>> On Wed, Nov 2, 2022 at 7:03 AM Komal Kamble <komal.kamble...@gmail.com> >>>> wrote: >>>> >>>>> Hello ProtocolBufferSupport team, >>>>> >>>>> If I have a proto file with multiple sub-message types defined and If >>>>> I want to add more sub-message types in the same file I am getting >>>>> BACKWARD >>>>> and FORWARD compatibility errors. >>>>> >>>>> I am using com.github.os72:protoc-jar-maven-plugin:3.11.4 plugin in >>>>> java module to compile proto files and kafka-protobuf-provider:6.1.6 for >>>>> ProtobufSchema object. >>>>> >>>>> The query is getting compatibility errors is it correct behavior or >>>>> not? >>>>> >>>>> I didn't find any documentation in protocol-buffer user guide >>>>> regarding adding more sub-message types in the existing proto file. >>>>> >>>>> Could you please help me to understand the standard behavior of the >>>>> protocol buffer? >>>>> >>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Protocol Buffers" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to protobuf+unsubscr...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/protobuf/8373c01f-8e61-4469-80e5-82a859035f2dn%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/protobuf/8373c01f-8e61-4469-80e5-82a859035f2dn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Protocol Buffers" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to protobuf+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/protobuf/CADqAXr5pxtdS8Lcw-oXFNPdR3FDNi6_vngBMqjh4Pm%3Dh-QfEvA%40mail.gmail.com >>> <https://groups.google.com/d/msgid/protobuf/CADqAXr5pxtdS8Lcw-oXFNPdR3FDNi6_vngBMqjh4Pm%3Dh-QfEvA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to protobuf+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/protobuf/CAG0mBZTsaTSgjWzL0aY8Y41cJ3P-VnZ%3DimmqjN8%3DROjuM-m-DA%40mail.gmail.com > <https://groups.google.com/d/msgid/protobuf/CAG0mBZTsaTSgjWzL0aY8Y41cJ3P-VnZ%3DimmqjN8%3DROjuM-m-DA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to protobuf+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/protobuf/CAF95VAxwY7GUGc-EsKzsNkLSnHmPN%2B5ygovENEOMscGjWfOuxg%40mail.gmail.com.
