deniskuzZ commented on code in PR #12637:
URL: https://github.com/apache/iceberg/pull/12637#discussion_r2020560062
##########
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveTableOperations.java:
##########
@@ -287,15 +277,33 @@ protected void doCommit(TableMetadata base, TableMetadata
metadata) {
e);
}
- LOG.error(
- "Cannot tell if commit to {}.{} succeeded, attempting to reconnect
and check.",
- database,
- tableName,
- e);
commitStatus = BaseMetastoreOperations.CommitStatus.UNKNOWN;
- commitStatus =
- BaseMetastoreOperations.CommitStatus.valueOf(
- checkCommitStatus(newMetadataLocation, metadata).name());
+ if (e.getMessage() != null
+ && e.getMessage()
+ .contains(
+ "The table has been modified. The parameter value for key
'"
+ + HiveTableOperations.METADATA_LOCATION_PROP
+ + "' is")) {
+ // It's possible the HMS client incorrectly retries a successful
operation, due to network
+ // issue for example, and triggers this exception. So we need
double-check to make sure
+ // this is really a concurrent modification. Hitting this exception
means no pending
+ // requests, if any, can succeed later, so it's safe to check status
in strict mode
+ commitStatus = checkCommitStatusStrict(newMetadataLocation,
metadata);
+ if (commitStatus == BaseMetastoreOperations.CommitStatus.FAILURE) {
+ throw new CommitFailedException(
+ e, "The table %s.%s has been modified concurrently", database,
tableName);
+ }
+ } else {
+ LOG.error(
+ "Cannot tell if commit to {}.{} succeeded, attempting to
reconnect and check.",
+ database,
+ tableName,
+ e);
+ commitStatus =
Review Comment:
why do we need this weird casting? Note, it's skipped when we don't hit the
else branch
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