[GitHub] [iceberg] snazy commented on a diff in pull request #7283: Bump Nessie to 0.56.0

["snazy (via GitHub)" <gi...@apache.org>]

snazy commented on code in PR #7283:
URL: https://github.com/apache/iceberg/pull/7283#discussion_r1159630273


##########
nessie/src/main/java/org/apache/iceberg/nessie/NessieTableOperations.java:
##########
@@ -174,6 +185,38 @@ protected void doCommit(TableMetadata base, TableMetadata metadata) {
     }
   }
 
+  private static void handleReferenceConflictException(NessieReferenceConflictException ex) {
+    // Check if the server returned 'ReferenceConflicts' information
+    ReferenceConflicts referenceConflicts = ex.getErrorDetails();
+    if (referenceConflicts == null) {
+      return;
+    }
+
+    // Can only narrow down to a single exception, if there is only one conflict.
+    List<Conflict> conflicts = referenceConflicts.conflicts();
+    if (conflicts.size() != 1) {
+      return;
+    }
+
+    Conflict conflict = conflicts.get(0);
+    ConflictType conflictType = conflict.conflictType();
+    if (conflictType != null) {
+      switch (conflictType) {
+        case NAMESPACE_ABSENT:
+          throw new NoSuchNamespaceException(ex, "Cannot find namespace %s", conflict.key());

Review Comment:
   Not sure why the message matters.



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