>>> From [1] I think the JDBC driver sends something like below if >>> autosave=always option is specified. >>> >>> "BEGIN READ ONLY" Parse/Bind/Eexecute (in the extended query protocol) >>> "SAVEPOINT PGJDBC_AUTOSAVE" (in the simple query protocol) >>> >>> It seems the SAVEPOINT is sent without finishing the extended query >>> protocol (i.e. without Sync message). Is it possible for the JDBC >>> driver to issue a Sync message before sending SAVEPOINT in simple >>> query protocol? Or you can send SAVEPOINT using the extended query >>> protocol. >>> >>> [1] >>> https://www.pgpool.net/pipermail/pgpool-general/2023-December/009051.html >> >> >> Can you ask the OP what version of the driver they are using. From what I >> can tell we send BEGIN using SimpleQuery. > > Sure. I will get back once I get the JDBC version.
Here it is: > JDBC driver version used:42.5.1 Regards, Karel.
Can you ask the OP what they are doing in the startup. I'm trying to replicate their situation.
Looks like possibly 'setReadOnly' and 'select version()'