fix(opentelemetry): fix stringified internal errors in logs

.changeset/pretty-ducks-raise.md

@@ -0,0 +1,5 @@
+---
+'@graphql-mesh/plugin-opentelemetry': patch
+---
+
+OpenTelemetry uncaught internal errors are no longer logged as stringified JSON.

packages/plugins/opentelemetry/package.json

@@ -50,6 +50,7 @@
     "@graphql-mesh/utils": "^0.104.1",
     "@graphql-tools/utils": "^10.8.1",
     "@opentelemetry/api": "^1.9.0",
+    "@opentelemetry/core": "^1.30.0",
     "@opentelemetry/exporter-trace-otlp-grpc": "^0.57.0",
     "@opentelemetry/exporter-trace-otlp-http": "^0.57.0",
     "@opentelemetry/exporter-zipkin": "^1.29.0",

packages/plugins/opentelemetry/src/plugin.ts

@@ -22,6 +22,7 @@ import {
   type TextMapGetter,
   type Tracer,
 } from '@opentelemetry/api';
+import { setGlobalErrorHandler } from '@opentelemetry/core';
 import { Resource } from '@opentelemetry/resources';
 import { type SpanProcessor } from '@opentelemetry/sdk-trace-base';
 import { WebTracerProvider } from '@opentelemetry/sdk-trace-web';
@@ -212,16 +213,20 @@ export function useOpenTelemetry(
           provider = webProvider;
         }
         const pluginLogger = options.logger.child({ plugin: 'OpenTelemetry' });
+        const diagLogger = pluginLogger.child('OtelDiag');
         diag.setLogger(
           {
-            error: (message, ...args) => pluginLogger.error(message, ...args),
-            warn: (message, ...args) => pluginLogger.warn(message, ...args),
-            info: (message, ...args) => pluginLogger.info(message, ...args),
-            debug: (message, ...args) => pluginLogger.debug(message, ...args),
-            verbose: (message, ...args) => pluginLogger.debug(message, ...args),
+            error: (message, ...args) => diagLogger.error(message, ...args),
+            warn: (message, ...args) => diagLogger.warn(message, ...args),
+            info: (message, ...args) => diagLogger.info(message, ...args),
+            debug: (message, ...args) => diagLogger.debug(message, ...args),
+            verbose: (message, ...args) => diagLogger.debug(message, ...args),
           },
           DiagLogLevel.VERBOSE,
         );
+        setGlobalErrorHandler((err) =>
+          diagLogger.error('Uncaught OTEL internal error', err),
+        );
         tracer = options.tracer || trace.getTracer('gateway');
         preparation$ = undefined;
       });

yarn.lock

@@ -4501,6 +4501,7 @@ __metadata:
     "@graphql-mesh/utils": "npm:^0.104.1"
     "@graphql-tools/utils": "npm:^10.8.1"
     "@opentelemetry/api": "npm:^1.9.0"
+    "@opentelemetry/core": "npm:^1.30.0"
     "@opentelemetry/exporter-trace-otlp-grpc": "npm:^0.57.0"
     "@opentelemetry/exporter-trace-otlp-http": "npm:^0.57.0"
     "@opentelemetry/exporter-zipkin": "npm:^1.29.0"
@@ -6523,7 +6524,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@opentelemetry/core@npm:1.30.1, @opentelemetry/core@npm:^1.30.1":
+"@opentelemetry/core@npm:1.30.1, @opentelemetry/core@npm:^1.30.0, @opentelemetry/core@npm:^1.30.1":
   version: 1.30.1
   resolution: "@opentelemetry/core@npm:1.30.1"
   dependencies: