Gabriel39 opened a new pull request, #66890:
URL: https://github.com/apache/doris/pull/66890
### What problem does this PR solve?
Issue Number: N/A
Related PR: #64304
Problem Summary: After external catalogs became plugin-driven, simple-auth
Hive Metastore RPCs no longer ran under the catalog configured Hadoop user.
HMS-created directories could therefore use the FE process user while data
writes used the configured user, causing permission failures. Restore a
plugin-side simple UGI for HMS RPCs and preserve the metastore username alias
and legacy default user.
### Release note
Fix Hive Metastore writes failing when the configured Hadoop user differs
from the FE process user.
### Check List (For Author)
- Test: Unit Test
- HiveConnectorPluginAuthenticatorTest
- Behavior changed: Yes. Simple-auth HMS RPCs again run as the configured
Hadoop user.
- Does this need documentation: No
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