Hello. It common issue with the thin client. Please, set same value of BinaryConfiguration#compactFooter explicitly to false both on the server side and client side.
> On 22 Jul 2024, at 10:32, Pavel Tupitsyn <ptupit...@apache.org> wrote: > > Hello, could you please attach a reproducer? > > This might have to do with type names / ids mismatch, but hard to tell > without the code. > > On Fri, Jul 19, 2024 at 7:39 PM Louis C <l...@outlook.fr > <mailto:l...@outlook.fr>> wrote: >> Hello, >> >> I have a strange problem for which I can't find the reason. >> >> I made a cache (key/value cache) with a custom key type that is called >> "IgniteBinaryData". >> >> I have a C++ thin client that calls the server and execute a Java >> ComputeTaskAdapter<CustomType1,CustomType2> that I made (let's call it >> "Task1"). >> This Task1 writes data in the cache with the custom key type >> "IgniteBinaryData". >> >> But the issue is that when I request the same cache from the C++ thin >> client, the key is not found. >> >> What is strange is that I can then add the key with a "Put" from the C++, >> and when I look at the deserialized keys in the java code, there does not >> seem to be any difference between the 2 "different" keys, which are both >> present in the cache. >> >> What I saw is that when I do a "Get" from the C++, the key is not >> deserialized (Ignite looks only at the serialized data of the keys). >> >> So I think there might be a difference in the serialization of the key >> between the Java code and the C++, but not visible when deserialized. >> >> But looking at all the entries in the cache with an iterator, I found no >> differences. I tried using the".withKeepBinary();" method to access the keys >> without deserialization, but I can't find a way to get the "bytes[]" >> corresponding to the key from the BinaryObject. >> >> So, my question would be : how to get the "bytes[]" corresponding to a >> custom key ? >> And also, is there a known issue that could arise when doing this ? I >> carefully followed >> https://ignite.apache.org/docs/latest/cpp-specific/cpp-platform-interoperability >> and I have no problem of deserialization... >> >> Best regards, >> >> Louis C.
