Function handleError

src/kernels/errors/kernelErrorHandler.ts:93–131

(err: Error)

    private handledErrors = new WeakSet<Error>();
    private handledKernelErrors = new WeakSet<Error>();
    public async handleError(err: Error): Promise<void> {
        logger.warn('DataScience Error', err);
        err = WrappedError.unwrap(err);
        if (this.handledErrors.has(err)) {
            return;
        }
        this.handledErrors.add(err);
        if (err instanceof JupyterInstallError) {
            await this.dependencyManager?.installMissingDependencies(err);
        } else if (err instanceof JupyterSelfCertsError) {
            await handleSelfCertsError(this.configuration, err.message);
        } else if (err instanceof JupyterExpiredCertsError) {
            await handleExpiredCertsError(this.configuration, err.message);
        } else if (isCancellationError(err)) {
            // Don't show the message for cancellation errors
        } else if (err instanceof KernelConnectionTimeoutError || err instanceof KernelPortNotUsedTimeoutError) {
            window.showErrorMessage(err.message).then(noop, noop);
        } else if (
            err instanceof KernelDiedError ||
            err instanceof KernelProcessExitedError ||
            err instanceof JupyterNotebookNotInstalled ||
            err instanceof JupyterConnectError
        ) {
            window.showErrorMessage(getUserFriendlyErrorMessage(err)).then(noop, noop);
        } else if (err instanceof RemoteJupyterServerConnectionError && isWebExtension()) {
            // Special case for a failure on web
            window.showErrorMessage(DataScience.jupyterNotebookRemoteConnectFailedWeb(err.baseUrl)).then(noop, noop);
        } else if (err instanceof RemoteJupyterServerConnectionError) {
            const message = await this.handleJupyterServerConnectionError(err, undefined);
            window.showErrorMessage(message).then(noop, noop);
        } else if (err instanceof RemoteJupyterServerUriProviderError) {
            const message = await this.handleJupyterServerUriProviderError(err, undefined);
            window.showErrorMessage(message).then(noop, noop);
        } else {
            // Some errors have localized and/or formatted error messages.
            const message = getCombinedErrorMessage(err.message || err.toString());
            window.showErrorMessage(message).then(noop, noop);
        }
    }
    public async getErrorMessageForDisplayInCell(error: Error, errorContext: KernelAction, resource: Resource) {
        return this.getErrorMessageForDisplayInCellImpl(error, errorContext, resource, false);
    }