fixes #54186

Author: joaomoreno

src/vs/workbench/services/search/node/rawSearchService.ts

@@ -44,7 +44,7 @@ export class SearchService implements IRawSearchService {
 		const emitter = new Emitter<ISerializedSearchProgressItem | ISerializedSearchComplete>({
 			onFirstListenerAdd: () => {
 				promise = this.doFileSearch(FileSearchEngine, config, p => emitter.fire(p), batchSize)
-					.then(c => emitter.fire(c), err => emitter.fire({ type: 'error', error: err }));
+					.then(c => emitter.fire(c), err => emitter.fire({ type: 'error', error: { message: err.message, stack: err.stack } }));
 			},
 			onLastListenerRemove: () => {
 				promise.cancel();
@@ -60,7 +60,7 @@ export class SearchService implements IRawSearchService {
 		const emitter = new Emitter<ISerializedSearchProgressItem | ISerializedSearchComplete>({
 			onFirstListenerAdd: () => {
 				promise = (config.useRipgrep ? this.ripgrepTextSearch(config, p => emitter.fire(p)) : this.legacyTextSearch(config, p => emitter.fire(p)))
-					.then(c => emitter.fire(c), err => emitter.fire({ type: 'error', error: err }));
+					.then(c => emitter.fire(c), err => emitter.fire({ type: 'error', error: { message: err.message, stack: err.stack } }));
 			},
 			onLastListenerRemove: () => {
 				promise.cancel();

src/vs/workbench/services/search/node/search.ts

@@ -68,7 +68,10 @@ export interface ISerializedSearchSuccess {
 
 export interface ISerializedSearchError {
 	type: 'error';
-	error: any;
+	error: {
+		message: string,
+		stack: string
+	};
 }
 
 export type ISerializedSearchComplete = ISerializedSearchSuccess | ISerializedSearchError;