juspay/hyperswitch · error

Invalid EnvFilter filtering directive

Error message

Invalid EnvFilter filtering directive

What it means

Error "Invalid EnvFilter filtering directive" thrown in juspay/hyperswitch.

Source

Thrown at crates/router_env/src/logger/setup.rs:414

}

fn get_envfilter(
    filtering_directive: Option<&String>,
    default_log_level: config::Level,
    filter_log_level: config::Level,
    crates_to_filter: impl AsRef<[&'static str]>,
) -> EnvFilter {
    filtering_directive
        .map(|filter| {
            // Try to create target filter from specified filtering directive, if set

            // Safety: If user is overriding the default filtering directive, then we need to panic
            // for invalid directives.
            #[allow(clippy::expect_used)]
            EnvFilter::builder()
                .with_default_directive(default_log_level.into_level().into())
                .parse(filter)
                .expect("Invalid EnvFilter filtering directive")
        })
        .unwrap_or_else(|| {
            // Construct a default target filter otherwise
            let mut workspace_members = crate::cargo_workspace_members!();
            workspace_members.extend(crates_to_filter.as_ref());

            workspace_members
                .drain()
                .zip(std::iter::repeat(filter_log_level.into_level()))
                .fold(
                    EnvFilter::default().add_directive(default_log_level.into_level().into()),
                    |env_filter, (target, level)| {
                        // Safety: This is a hardcoded basic filtering directive. If even the basic
                        // filter is wrong, it's better to panic.
                        #[allow(clippy::expect_used)]
                        env_filter.add_directive(
                            format!("{target}={level}")
                                .parse()

View on GitHub (pinned to 705a321950)

Solutions

1. Fix the invalid RUST_LOG/EnvFilter directive syntax (e.g. crate=level pairs)

When it happens

Trigger: Thrown at crates/router_env/src/logger/setup.rs:414 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of juspay/hyperswitch@705a321950 (2026-08-19). Data as JSON: /api/errors/25a0478354117232. Report an issue: GitHub.