Improve error message in GcsUtil (#23482)

pranavbhandari24 · web-flow · commit b7b71361590b · 2022-10-05T09:52:31.000-04:00
diff --git a/sdks/java/extensions/google-cloud-platform-core/src/main/java/org/apache/beam/sdk/extensions/gcp/util/GcsUtil.java b/sdks/java/extensions/google-cloud-platform-core/src/main/java/org/apache/beam/sdk/extensions/gcp/util/GcsUtil.java
@@ -930,7 +930,9 @@ public void onFailure(GoogleJsonError e, HttpHeaders responseHeaders) throws IOE
           readyToEnqueue = false;
           lastError = null;
         } else {
-          throw new FileNotFoundException(e.getMessage());
+          throw new FileNotFoundException(
+              String.format(
+                  "Source %s not found. Failed with error: %s", from.toString(), e.getMessage()));
         }
       } else if (e.getCode() == 403
           && e.getErrors().size() == 1
