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Mon, 23 Feb 2026 13:17:16 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Jacob Champion Date: Mon, 23 Feb 2026 13:17:05 -0800 X-Gm-Features: AaiRm53DhMKnz6Mtn4f8Sc3i4fX_Eu2gk4q9GO7RIOjCZb0fm4RHs9j23rNofuE Message-ID: Subject: Re: pgsql: libpq: Grease the protocol by default To: Jacob Champion Cc: pgsql-committers@lists.postgresql.org, Jelte Fennema-Nio Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, Feb 23, 2026 at 10:58=E2=80=AFAM Jacob Champion wrote: > > libpq: Grease the protocol by default crake is angry: > pg_dumpall: error: connection to server on socket "/home/andrew/bf/root/t= mp/buildfarm-onigY7/.s.PGSQL.5670" failed: FATAL: unsupported frontend prot= ocol 3.9999: server supports 1.0 to 3.0 > This indicates a bug in either the server being contacted > or a proxy handling the connection. Please consider > ... So while this is kind of a nice result, in that it's correctly diagnosing the problem, I need to add max_protocol_version=3D3.0 to the connection strings for these upgrades during beta. --Jacob