openai/codex · error · anyhow::Error

failed to initialize in-process app-server client: {err}

Error message

failed to initialize in-process app-server client: {err}

What it means

Error "failed to initialize in-process app-server client: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/exec/src/lib.rs:815

            )
        }
    };

    // When --yolo (dangerously_bypass_approvals_and_sandbox) is set, also skip the git repo check
    // since the user is explicitly running in an externally sandboxed environment.
    if !skip_git_repo_check
        && !dangerously_bypass_approvals_and_sandbox
        && get_git_repo_root(&default_cwd).is_none()
    {
        eprintln!("Not inside a trusted directory and --skip-git-repo-check was not specified.");
        std::process::exit(1);
    }

    let mut request_ids = RequestIdSequencer::new();
    let mut client = InProcessAppServerClient::start(in_process_start_args)
        .await
        .map_err(|err| {
            anyhow::anyhow!("failed to initialize in-process app-server client: {err}")
        })?;

    // Resolve resume and fork through existing app-server thread lifecycle APIs.
    let (primary_thread_id, fallback_session_configured) = if let Some(ExecCommand::Resume(args)) =
        command.as_ref()
    {
        if let Some(thread_id) =
            resolve_resume_thread_id(&client, &config, state_db.as_ref(), args).await?
        {
            let response: ThreadResumeResponse = send_request_with_response(
                &client,
                ClientRequest::ThreadResume {
                    request_id: request_ids.next(),
                    params: thread_resume_params_from_config(
                        &config,
                        thread_id,
                        resume_approvals_reviewer_override,
                    ),

View on GitHub (pinned to 339751715c)

Solutions

1. Investigate the in-process app-server client initialization error.

When it happens

Trigger: Thrown at codex-rs/exec/src/lib.rs:815 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/d21c1ee20e084bdc. Report an issue: GitHub.