RussellSpitzer commented on a change in pull request #4261:
URL: https://github.com/apache/iceberg/pull/4261#discussion_r819074902



##########
File path: 
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveTableOperations.java
##########
@@ -271,29 +273,32 @@ protected void doCommit(TableMetadata base, TableMetadata 
metadata) {
       try {
         persistTable(tbl, updateHiveTable);
         commitStatus = CommitStatus.SUCCESS;
-      } catch (Throwable persistFailure) {
+      } catch (org.apache.hadoop.hive.metastore.api.AlreadyExistsException e) {
+        throw new AlreadyExistsException(e, "Table already exists: %s.%s", 
database, tableName);
+
+      } catch (InvalidObjectException e) {
+        throw new ValidationException(e, "Invalid table name for %s.%s", 
database, tableName);

Review comment:
       It's the unknown unknowns I worry about. I just don't have enough 
familiarity with the codebase to even know where I should be looking or If I 
can guarantee behaviors in the future.




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