fix(orchestrator): makes the bodyParser limit configurable. #2802

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Merged

Apr 17, 2026

workspaces/orchestrator/.changeset/purple-eagles-share.md

-Original file line number
+Diff line change
@@ -0,0 +1,5 @@
+    ---
+    '@red-hat-developer-hub/backstage-plugin-orchestrator-backend': patch
+    ---
+    fix: add configurable bodyParser limit

workspaces/orchestrator/.changeset/strong-pillows-yawn.md

-Original file line number
+Diff line change
@@ -0,0 +1,5 @@
+    ---
+    '@red-hat-developer-hub/backstage-plugin-orchestrator-common': patch
+    ---
+    chore: add new config value for contentLengthLimit

workspaces/orchestrator/app-config.yaml

-Original file line number
+Diff line change
@@ Expand Up / @@ -158,6 +158,8 @@ catalog: @@
     dynamicPlugins:
       frontend: {}
     orchestrator:
+      # Uncomment to set the content length limit for the requests. Defaults to 102400 bytes (100kb)
+      # contentLengthLimit: 10mb
       # Uncomment and configure to use the log viewer
       # workflowLogProvider:
       #   loki:
@@ Expand Down @@

-Original file line number
+Diff line change
@@ Expand Up / @@ -202,7 +202,18 @@ export async function createBackendRouter( @@
       const permissionsIntegrationRouter = createPermissionIntegrationRouter({
         permissions: orchestratorPermissions,
       });
-      router.use(express.json());
+      const contentLengthLimit = config.getOptionalString(
+        'orchestrator.contentLengthLimit',
+      );
+      /**
+       * Set the content length limit for the requests.
+       * Defaults to 102400 bytes (100kb)
+       *
+       * There is a possiblity that some workflows will have a very large payload, which could cause a 413 error.
+       * Increasing this value will allow larger payloads to be processed.
+       *
+       */
+      router.use(express.json({ limit: contentLengthLimit }));
       router.use(permissionsIntegrationRouter);
       router.use('/workflows', express.text());
       router.get('/health', (_, response) => {
@@ Expand Down @@

-Original file line number
+Diff line change
@@ Expand Up / @@ -19,6 +19,11 @@ export interface Config { @@
        * Configuration for the Orchestrator plugin.
        */
       orchestrator?: {
+        /**
+         * Set the content length limit for the requests.
+         * Defaults to 102400 bytes (100kb)
+         */
+        contentLengthLimit?: string;
         sonataFlowService: {
           /**
            * Base URL of the Sonata Flow service.
@@ Expand Down @@

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