Drop bad Node.js Next.js spans without parameterization

Author: Luca Forstner

packages/nextjs/src/server/index.ts

@@ -307,6 +307,10 @@ export function init(options: NodeOptions): NodeClient | undefined {
           if (typeof method === 'string' && typeof route === 'string') {
             event.transaction = `${method} ${route.replace(/\/route$/, '')}`;
             event.contexts.trace.data[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] = 'route';
+          } else {
+            // If we cannot hoist the route (or rather parameterize the transaction) for BaseServer.handleRequest spans, we drop it.
+            // This is important in the case of edge-runtime where Next.js will also create unnecessary Node.js root spans, that are not parameterized.
+            return null;
           }
         }