@francoisprunier A couple things. First, thank you for the bug report and the contribution, this is must appreciated. As soon as I get feedback from the team, I'll let you know if it's 127 or 255, but for Java's sake I hope it's 127
Second, since this is your first contribution I'll allow it, but per CNCF guidelines, we are supposed to have signed commits. Again, first contribution it's perfectly fine.

Thanks, in the mean time I've updated the MR and used a signed commit. It restricts values to 0-127, I've looked into it and got to https://www.rfc-editor.org/rfc/rfc7230 which states that header values should be us-ascii. The original's RFC used ASCII to mean us-ascii as today's ASCII was called Extended ASCII back then.

I'll update the commit if the consensus with other client devs is to use 0-256 anyway.

Thanks, in the mean time I've updated the MR and used a signed commit. It restricts values to 0-127, I've looked into it and got to https://www.rfc-editor.org/rfc/rfc7230 which states that header values should be us-ascii. The original's RFC used ASCII to mean us-ascii as today's ASCII was called Extended ASCII back then.

I'll update the commit if the consensus with other client devs is to use 0-256 anyway.

Since the go client use a mime processor, I'm going to assume that it follows this RFC standard. I've not gotten much feedback from the team yet, so let's go with the 127 and we can always expand it later.

Hi @scottf,

When do you plan on creating a release with this fix ? It's a blocking issue for us at the moment. Thanks!

I'm waiting to merge another PR. You can use the 2.21.2-SNAPSHOT for now. Instructions are in the readme, but for gradle/maven you need the snapshot repo

Gradle

repositories {
    maven {
        url "https://central.sonatype.com/repository/maven-snapshots"
    }
}

Maven

<repositories>
    <repository>
        <id>sonatype snapshots</id>
        <url>https://central.sonatype.com/repository/maven-snapshots</url>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </repository>
</repositories>