Retry connection if CSRF crumb retrieval results in HTTP 5xx error (#571

)
jenkinsci · Jan 5, 2024 · ad27563 · ad27563
1 parent ab1a7a0
commit ad27563
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/client/src/main/java/hudson/plugins/swarm/SwarmClient.java b/client/src/main/java/hudson/plugins/swarm/SwarmClient.java
@@ -247,7 +247,7 @@ static void addAuthorizationHeader(HttpRequest.Builder builder, Options clientOp
     }
 
     private static synchronized Crumb getCsrfCrumb(HttpClient client, Options options, URL url)
-            throws IOException, InterruptedException {
+            throws IOException, InterruptedException, RetryException {
         logger.finer("getCsrfCrumb() invoked");
 
         String[] crumbResponse;
@@ -265,6 +265,9 @@ private static synchronized Crumb getCsrfCrumb(HttpClient client, Options option
                     String.format(
                             "Could not obtain CSRF crumb. Response code: %s%n%s",
                             response.statusCode(), response.body()));
+            if (response.statusCode() >= 500 && response.statusCode() < 600)
+                throw new RetryException("Failed to obtain CSRF crumb due to an Internal Server "
+                        + "Error or similar condition. Response code: " + response.statusCode());
             return null;
         }