wasmerio/wasmer · error

No app name specified: use --name <app_name>

Error message

No app name specified: use --name <app_name>

What it means

Error "No app name specified: use --name <app_name>" thrown in wasmerio/wasmer.

Source

Thrown at lib/cli/src/commands/app/deploy.rs:585

        if !app_config_path.is_file() && self.ensure_app_config {
            let owner = if let Some(owner) = &self.owner {
                owner.clone()
            } else if self.non_interactive {
                anyhow::bail!("No owner specified: use --owner <owner>");
            } else {
                let user =
                    wasmer_backend_api::query::current_user_with_namespaces(&client, None).await?;
                crate::utils::prompts::prompt_for_namespace(
                    "Who should own this app?",
                    None,
                    Some(&user),
                )?
            };

            let app_name = if let Some(name) = &self.app_name {
                name.clone()
            } else if self.non_interactive {
                anyhow::bail!("No app name specified: use --name <app_name>");
            } else {
                let default_name = base_dir_path
                    .file_name()
                    .and_then(|f| f.to_str())
                    .map(|s| s.to_owned());
                crate::utils::prompts::prompt_new_app_name(
                    "Enter the name of the app",
                    default_name.as_deref(),
                    &owner,
                    Some(&client),
                )
                .await?
            };

            let app_config = minimal_app_config(&owner, &app_name);
            write_app_config(&app_config, Some(base_dir_path.clone())).await?;
        }

View on GitHub (pinned to 8c4b9ee9d3)

When it happens

Trigger: Thrown at lib/cli/src/commands/app/deploy.rs:585 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of wasmerio/wasmer@8c4b9ee9d3 (2026-09-01). Data as JSON: /api/errors/71f1ebd6296996ef. Report an issue: GitHub.