Merge pull request #5996 from neo4j/fix-subscriptions-federations

Fix missing schema model on subscription engines init
neo4j · Feb 11, 2025 · 944727f · 944727f
2 parents 5a69d4b + a5962ea
commit 944727f
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diff --git a/.changeset/hip-actors-retire.md b/.changeset/hip-actors-retire.md
@@ -0,0 +1,5 @@
+---
+"@neo4j/graphql": patch
+---
+
+Fix error "SchemaModel not available on subscription mechanism" with some subscriptions engines when used with Federation
diff --git a/packages/graphql/src/classes/Neo4jGraphQL.ts b/packages/graphql/src/classes/Neo4jGraphQL.ts
@@ -128,7 +128,7 @@ class Neo4jGraphQL {
     public async getSubgraphSchema(): Promise<GraphQLSchema> {
         if (!this.subgraphSchema) {
             this.subgraphSchema = this.generateSubgraphSchema();
-
+            await this.subgraphSchema; // Avoids race condition with engine init
             await this.subscriptionMechanismSetup();
         }