CTTY opened a new pull request, #9816:
URL: https://github.com/apache/hudi/pull/9816
### Change Logs
Hudi can't infer default database name when running hive sync.
`hoodie.datasource.hive_sync.database` has a default value of `default` but
it would use infer function to read `hoodie.database.name` before using default
value.
And `hoodie.database.name` is set to an empty string by default and by
mistake, which is considered non-null by java `Option` class so Hudi would
continue to use the empty string instead of `default` to run hive sync, and
cause exceptions below:
```
Caused by: org.apache.hudi.exception.HoodieException: Got runtime exception
when hive syncing hudi_basic_test_mor51667
at org.apache.hudi.hive.HiveSyncTool.syncHoodieTable(HiveSyncTool.java:168)
at
org.apache.hudi.sync.common.util.SyncUtilHelpers.runHoodieMetaSync(SyncUtilHelpers.java:79)
... 90 more
Caused by: java.lang.IllegalArgumentException: databaseName cannot be null
or empty
at
com.google.common.base.Preconditions.checkArgument(Preconditions.java:92)
at
com.amazonaws.glue.catalog.metastore.GlueMetastoreClientDelegate.tableExists(GlueMetastoreClientDelegate.java:417)
at
com.amazonaws.glue.catalog.metastore.AWSCatalogMetastoreClient.tableExists(AWSCatalogMetastoreClient.java:1644)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.hadoop.hive.metastore.HiveMetaStoreClient$SynchronizedHandler.invoke(HiveMetaStoreClient.java:2350)
at com.sun.proxy.$Proxy89.tableExists(Unknown Source)
at
org.apache.hudi.hive.HoodieHiveSyncClient.tableExists(HoodieHiveSyncClient.java:250)
at org.apache.hudi.hive.HiveSyncTool.syncHoodieTable(HiveSyncTool.java:241)
at org.apache.hudi.hive.HiveSyncTool.doSync(HiveSyncTool.java:191)
at
org.apache.hudi.hive.HiveSyncTool.syncHoodieTable(HiveSyncTool.java:165)
```
### Impact
_Describe any public API or user-facing feature change or any performance
impact._
### Risk level (write none, low medium or high below)
_If medium or high, explain what verification was done to mitigate the
risks._
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change_
- _The config description must be updated if new configs are added or the
default value of the configs are changed_
- _Any new feature or user-facing change requires updating the Hudi website.
Please create a Jira ticket, attach the
ticket number here and follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website) to
make
changes to the website._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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