zed-industries/zed · error

Failed to copy file {}({}) to WSL {:?}: {}

Error message

Failed to copy file {}({}) to WSL {:?}: {}

What it means

In WslRemoteConnection::copy_via_wslpath_and_cp (called from upload_file): converting the source path via wslpath or copying it with `cp` into the WSL filesystem failed. Part of the remote-server upload fallback path.

Source

Thrown at crates/remote/src/transport/wsl.rs:331

                        format!("failed to stream file into WSL after /mnt copy failed: {cp_err:#}")
                    })?;
            }
        }

        log::info!("uploaded remote server in {:?}", t0.elapsed());
        Ok(())
    }

    async fn copy_via_wslpath_and_cp(&self, src_path: &Path, dst_path: &RelPath) -> Result<()> {
        let src_path_in_wsl = self.windows_path_to_wsl_path(src_path).await?;
        let cp = self.shell_kind.prepend_command_prefix("cp");
        self.run_wsl_command(
            &cp,
            &["-f", &src_path_in_wsl, &dst_path.display(PathStyle::Unix)],
        )
        .await
        .map_err(|e| {
            anyhow!(
                "Failed to copy file {}({}) to WSL {:?}: {}",
                src_path.display(),
                src_path_in_wsl,
                dst_path,
                e
            )
        })
    }

    async fn stream_file_into_wsl(&self, src_path: &Path, dst_path: &RelPath) -> Result<()> {
        let mut file = fs::File::open(src_path).await.with_context(|| {
            format!(
                "failed to open {} for streaming into WSL",
                src_path.display()
            )
        })?;

        let dst_posix = dst_path.display(PathStyle::Unix);

View on GitHub (pinned to f4178619ac)

Solutions

1. Check free space and permissions inside the WSL distro
2. Verify the WSL distro is running and wslpath conversion works

When it happens

Trigger: Thrown at crates/remote/src/transport/wsl.rs:331 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@f4178619ac (2026-08-20). Data as JSON: /api/errors/6ca98ecb216fd081. Report an issue: GitHub.