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> 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. >