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CSHARP-5688: Bump maxWireVersion for MongoDB 8.3 #1746

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Merged
merged 1 commit into from
Aug 4, 2025

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adelinowona
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@adelinowona adelinowona requested a review from a team as a code owner August 1, 2025 18:32
@adelinowona adelinowona requested review from papafe and removed request for a team August 1, 2025 18:32
@adelinowona adelinowona added the chore Label to hide PR from generated Release Notes label Aug 1, 2025
@adelinowona adelinowona requested review from sanych-sun and removed request for papafe August 1, 2025 18:33
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LGTM

@@ -189,7 +194,8 @@ public static ServerVersion ToServerVersion(this int wireVersion)
WireVersion.Server80 => ServerVersion.Server80,
WireVersion.Server81 => ServerVersion.Server81,
WireVersion.Server82 => ServerVersion.Server82,
_ => throw new ArgumentException($"Invalid write version: {wireVersion}.", nameof(wireVersion))
WireVersion.Server83 => ServerVersion.Server83,
_ => throw new ArgumentException($"Invalid wire version: {wireVersion}.", nameof(wireVersion))
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I think we need something like a MongoConnectionException and a better error message telling the user what to do, something like:

This version of the driver is not compatible with the version of the server.

We could add "Either use a newer version of the driver or an older version of the server" but I think the problem could happen at the other end also, so that might not be accurate... it could be "either use an older version of the driver or a newer version of the server".

We can probably tell which error message to add based on whether the unknown wire version is too large or too small.

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As discussed on Slack it turns out this exception is NOT being thrown from the connection code, so my comments above are not actually relevant.

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LGTM

@@ -189,7 +194,8 @@ public static ServerVersion ToServerVersion(this int wireVersion)
WireVersion.Server80 => ServerVersion.Server80,
WireVersion.Server81 => ServerVersion.Server81,
WireVersion.Server82 => ServerVersion.Server82,
_ => throw new ArgumentException($"Invalid write version: {wireVersion}.", nameof(wireVersion))
WireVersion.Server83 => ServerVersion.Server83,
_ => throw new ArgumentException($"Invalid wire version: {wireVersion}.", nameof(wireVersion))
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As discussed on Slack it turns out this exception is NOT being thrown from the connection code, so my comments above are not actually relevant.

@adelinowona adelinowona merged commit d8f8f7e into mongodb:main Aug 4, 2025
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3 participants