Hello, Most probably it's related to [1], which is fixed since Ignite 2.9.1.
[1]: https://issues.apache.org/jira/browse/IGNITE-13401 чт, 19 авг. 2021 г. в 09:53, Naveen Kumar <naveen.band...@gmail.com>: > Hi All > > We are using Ignite 2.8.1 and using the thin clients majorly. > Facing a strange issues for last couple of days, all PUTs are working > fine, but GETs are failing with a reason : BinaryObjectException: > Unsupported protocol version. > > After the node restart, GETs started working fine, and dont see anything > specific in the node logs as well. > > Any pointers towards this, how did the node restart resolved the issue. > > None of the GETs were working earlier only PUTs were working (PUTs were > done thru JDBC SQL), GERs are using the Java KV API. > > -- > Thanks & Regards, > Naveen Bandaru >