Try to use the GraphQLError class to produce the error

federation-2/router-bridge/js-src/plan.ts

@@ -7,6 +7,7 @@ import {
 import {
   DocumentNode,
   ExecutionResult,
+  GraphQLError,
   GraphQLSchema,
   parse,
   validate,
@@ -25,7 +26,9 @@ import {
 import { ReferencedFieldsForType } from "apollo-reporting-protobuf";
 
 const PARSE_FAILURE: string = "## GraphQLParseFailure\n";
+const PARSE_FAILURE_EXT_CODE: string = "GRAPHQL_PARSE_FAILED";
 const VALIDATION_FAILURE: string = "## GraphQLValidationFailure\n";
+const VALIDATION_FAILURE_EXT_CODE: string = "GRAPHQL_VALIDATION_FAILED";
 const UNKNOWN_OPERATION: string = "## GraphQLUnknownOperationName\n";
 
 export type ReferencedFieldsByType = Record<string, ReferencedFieldsForType>;
@@ -77,7 +80,14 @@ export class BridgeQueryPlanner {
           statsReportKey: PARSE_FAILURE,
           referencedFieldsByType: {},
         },
-        errors: [parseError],
+        errors: [
+          {
+            ...parseError,
+            extensions: {
+              code: PARSE_FAILURE_EXT_CODE,
+            },
+          },
+        ],
       };
     }
 
@@ -90,7 +100,25 @@ export class BridgeQueryPlanner {
           statsReportKey: VALIDATION_FAILURE,
           referencedFieldsByType: {},
         },
-        errors: validationErrors,
+        errors: validationErrors.map((error): GraphQLError => {
+          if (
+            error.extensions == null ||
+            Object.keys(error.extensions).length === 0
+          ) {
+            return new GraphQLError(error.message, {
+              extensions: {
+                code: VALIDATION_FAILURE_EXT_CODE,
+              },
+              path: error.path,
+              nodes: error.nodes,
+              originalError: error.originalError,
+              positions: error.positions,
+              source: error.source,
+            });
+          }
+
+          return error;
+        }),
       };
     }
 
@@ -116,7 +144,14 @@ export class BridgeQueryPlanner {
           statsReportKey,
           referencedFieldsByType: {},
         },
-        errors: [e],
+        errors: [
+          {
+            ...e,
+            extensions: {
+              code: VALIDATION_FAILURE_EXT_CODE,
+            },
+          },
+        ],
       };
     }
 

federation-2/router-bridge/js-src/plan_worker.ts

@@ -1,6 +1,6 @@
 import { GraphQLErrorExt } from "@apollo/core-schema/dist/error";
 import { QueryPlannerConfig } from "@apollo/query-planner";
-import { ASTNode, Source, SourceLocation } from "graphql";
+import { ASTNode, GraphQLError, Source, SourceLocation } from "graphql";
 import {
   BridgeQueryPlanner,
   ExecutionResultWithUsageReporting,
@@ -191,10 +191,21 @@ async function run() {
         }
       } catch (e) {
         logger.warn(`an error happened in the worker runtime ${e}\n`);
+
+        const unexpectedError = new GraphQLError(e.message, {
+          extensions: {
+            code: "QUERY_PLANNING_FAILED",
+            exception: {
+              stacktrace: e.toString().split(/\n/),
+            },
+          },
+        });
+        unexpectedError.name = e.name || "unknown";
+
         await send({
           id,
           payload: {
-            errors: [e],
+            errors: [unexpectedError],
             usageReporting: {
               statsReportKey: "",
               referencedFieldsByType: {},
@@ -203,10 +214,21 @@ async function run() {
         });
       }
     } catch (e) {
-      logger.warn(`plan_worker: an unknown error occured ${e}\n`);
+      logger.warn(`plan_worker: an unknown error occurred ${e}\n`);
+
+      const unexpectedError = new GraphQLError(e.message, {
+        extensions: {
+          code: "QUERY_PLANNING_FAILED",
+          exception: {
+            stacktrace: e.toString().split(/\n/),
+          },
+        },
+      });
+      unexpectedError.name = e.name || "unknown";
+
       await send({
         payload: {
-          errors: [e],
+          errors: [unexpectedError],
           usageReporting: {
             statsReportKey: "",
             referencedFieldsByType: {},

federation-2/router-bridge/package.json

@@ -53,4 +53,4 @@
     "node": "16.13.2",
     "npm": "8.3.1"
   }
-}
+}