TraceServer: Also show error detail when available

Fixes #8. (Finishes doing so.)

Signed-off-by: Marco Miller <marco.miller@ericsson.com>

Author: marco-miller

src/trace-server.ts

@@ -56,7 +56,7 @@ export class TraceServer {
                     const message = prefix + ' stopping' + suffix + ' Resetting.';
                     treeKill(pid, error => {
                         if (error) {
-                            this.showError(message);
+                            this.showErrorDetailed(message, error);
                         } else {
                             id = setTimeout(() => this.showError(message), millis);
                         }
@@ -182,6 +182,13 @@ export class TraceServer {
         this.setStatusIfAvailable(up);
     }
 
+    private showErrorDetailed(message: string, error: Error) {
+        const details = error.name + ' - ' + error.message;
+        vscode.window.showErrorMessage(details);
+        console.error(details);
+        this.showError(message);
+    }
+
     private showStatus(started: boolean) {
         if (started) {
             vscode.window.showInformationMessage(prefix + ': Started.');