Hmbown/CodeWhale · error · anyhow::Error

workspace must not be empty

Error message

workspace must not be empty

What it means

Thread-update validation: the `workspace` field was supplied with an empty OS string. Workspace changes have downstream engine effects (see the active-turn guard), so a blank path is rejected up front.

Source

Thrown at crates/tui/src/runtime_threads.rs:4660

        if let Some(model) = req.model.as_ref()
            && model.trim().is_empty()
        {
            bail!("model must not be empty");
        }
        if let Some(mode) = req.mode.as_ref()
            && mode.trim().is_empty()
        {
            bail!("mode must not be empty");
        }
        if let Some(permission_posture) = req.permission_posture.as_ref()
            && permission_posture.trim().is_empty()
        {
            bail!("permission_posture must not be empty");
        }
        if let Some(workspace) = req.workspace.as_ref()
            && workspace.as_os_str().is_empty()
        {
            bail!("workspace must not be empty");
        }

        let configured_sandbox_mode = self.read_config().sandbox_mode.clone();
        let (thread, changes, evicted_engine, posture_engine) = {
            // Take the active guard first so a workspace mutation can check
            // and evict the cached engine atomically with the durable update.
            // Using the same order as start/compact avoids lock inversion.
            let mut active = self.active.lock().await;
            let _thread_mutation = self.store.thread_mutation.lock();
            let mut thread = self
                .store
                .load_thread(id)
                .with_context(|| format!("Thread not found: {id}"))?;
            let mut changes = serde_json::Map::new();
            let policy_patch = if req.mode.is_some()
                || req.permission_posture.is_some()
                || req.auto_approve.is_some()
            {

View on GitHub (pinned to 0c42157ee5)

Solutions

1. Omit the workspace field if unchanged
2. Or pass a valid workspace path

When it happens

Trigger: Thrown at crates/tui/src/runtime_threads.rs:4660 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Hmbown/CodeWhale@0c42157ee5 (2026-08-20). Data as JSON: /api/errors/f75c0624b12bb8d6. Report an issue: GitHub.