could not send data to client: Connection reset by peer

[James Pang <jamespang886@xxxxxxxxx>]

experts,

   Postgresql v14.8,  client app use Postgresql JDBC, it start a single query that return 470k rows totally in one time, but sometimes, database server side got error "could not send data to client: Connection reset by peer". 

   any idea why it faced this error? 

Thanks,

James