diff --git a/src/ConfigurationManager.ts b/src/ConfigurationManager.ts
index 307f913c..7db70235 100644
--- a/src/ConfigurationManager.ts
+++ b/src/ConfigurationManager.ts
@@ -18,7 +18,7 @@ import * as execa from "execa";
 import * as glob from "glob";
 import * as path from "path";
 import * as portfinder from "portfinder";
-import { URL } from "url";
+// import { URL } from "url";
 import {
   commands,
   ConfigurationChangeEvent,
@@ -503,11 +503,11 @@ export class ConfigurationManager implements Disposable {
                   }
                 },
               );
-              this.process.stderr.addListener("data", (data: string) => {
+              this.process.stderr?.addListener("data", (data: string) => {
                 Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(data);
                 Constants.EXTENSION_OUTPUT_CHANNEL.show(true);
               });
-              this.process.stdout.addListener("data", (data: string) => {
+              this.process.stdout?.addListener("data", (data: string) => {
                 Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(data);
               });
               this.serviceUrl = this.findServiceUrl(this.getServiceType());