(flink) branch master updated: [hotfix][rest] Improve error message

[chesnay]

This is an automated email from the ASF dual-hosted git repository.

chesnay pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/master by this push:
     new 81d559a3bb1 [hotfix][rest] Improve error message
81d559a3bb1 is described below

commit 81d559a3bb11722f5148a9f4ad42e60105ae27a2
Author: Chesnay Schepler <ches...@apache.org>
AuthorDate: Mon Oct 30 14:37:25 2023 +0100

    [hotfix][rest] Improve error message
---
 .../org/apache/flink/runtime/rest/messages/MessageHeaders.java     | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git 
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/MessageHeaders.java
 
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/MessageHeaders.java
index 63c54083493..122429e3c0d 100644
--- 
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/MessageHeaders.java
+++ 
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/MessageHeaders.java
@@ -78,12 +78,15 @@ public interface MessageHeaders<
      * @return short description
      */
     default String operationId() {
+        final String className = getClass().getSimpleName();
+
         if (getHttpMethod() != HttpMethodWrapper.GET) {
             throw new UnsupportedOperationException(
-                    "The default implementation is only supported for GET 
calls. Please override 'operationId()'.");
+                    "The default implementation is only supported for GET 
calls. Please override 'operationId()' in '"
+                            + className
+                            + "'.");
         }
 
-        final String className = getClass().getSimpleName();
         final int headersSuffixStart = className.lastIndexOf("Headers");
         if (headersSuffixStart == -1) {
             throw new IllegalStateException(