oven-sh/bun · error · TypeError

UNKNOWN_CERTIFICATE_VERIFICATION_ERROR

UNKNOWN_CERTIFICATE_VERIFICATION_ERROR

Error message

UNKNOWN_CERTIFICATE_VERIFICATION_ERROR

What it means

Error "UNKNOWN_CERTIFICATE_VERIFICATION_ERROR" thrown in oven-sh/bun.

Source

Thrown at src/http/error.rs:255

    #[error("SUITE_B_INVALID_SIGNATURE_ALGORITHM")]
    SUITE_B_INVALID_SIGNATURE_ALGORITHM,
    #[error("SUITE_B_LOS_NOT_ALLOWED")]
    SUITE_B_LOS_NOT_ALLOWED,
    #[error("SUITE_B_CANNOT_SIGN_P_384_WITH_P_256")]
    SUITE_B_CANNOT_SIGN_P_384_WITH_P_256,
    #[error("HOSTNAME_MISMATCH")]
    HOSTNAME_MISMATCH,
    #[error("EMAIL_MISMATCH")]
    EMAIL_MISMATCH,
    #[error("IP_ADDRESS_MISMATCH")]
    IP_ADDRESS_MISMATCH,
    #[error("INVALID_CALL")]
    INVALID_CALL,
    #[error("STORE_LOOKUP")]
    STORE_LOOKUP,
    #[error("NAME_CONSTRAINTS_WITHOUT_SANS")]
    NAME_CONSTRAINTS_WITHOUT_SANS,
    #[error("UNKNOWN_CERTIFICATE_VERIFICATION_ERROR")]
    UNKNOWN_CERTIFICATE_VERIFICATION_ERROR,
}

impl Error {
    #[allow(clippy::trivially_copy_pass_by_ref)]
    pub fn name(&self) -> &'static str {
        match self {
            Self::CompressionFailed => "CompressionFailed",
            Self::Aborted => "Aborted",
            Self::WriteFailed => "WriteFailed",
            Self::HTTP2RefusedStream => "HTTP2RefusedStream",
            Self::HTTP2ContentLengthMismatch => "HTTP2ContentLengthMismatch",
            Self::HTTP2FrameSizeError => "HTTP2FrameSizeError",
            Self::HTTP2ProtocolError => "HTTP2ProtocolError",
            Self::HTTP2FlowControlError => "HTTP2FlowControlError",
            Self::HTTP2EnhanceYourCalm => "HTTP2EnhanceYourCalm",
            Self::HTTP2HeaderListTooLarge => "HTTP2HeaderListTooLarge",
            Self::HTTP2StreamReset => "HTTP2StreamReset",

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at src/http/error.rs:255 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• SSL/TLS and certificate errors — how TLS handshakes and certificate validation fail.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/238687d87933c316. Report an issue: GitHub.