nsivabalan commented on code in PR #18834:
URL: https://github.com/apache/hudi/pull/18834#discussion_r3305991817
##########
hudi-common/src/main/java/org/apache/hudi/common/table/view/SpillableMapBasedFileSystemView.java:
##########
@@ -225,14 +225,18 @@ protected void
removeReplacedFileIdsAtInstants(Set<String> instants) {
}
@Override
- public void close() {
+ protected void closeResources() throws Exception {
+ // Close ExternalSpillableMaps (which hold RocksDB handles) while the
writeLock is held
+ // by AbstractTableFileSystemView.close(). This prevents a race where a
concurrent reader
+ // holding readLock could be mid-call in RocksDBDAO.put() when the handles
are cleared,
+ // causing a NullPointerException at RocksDB.put(null_handle, ...).
closeFileGroupsMapIfPresent();
closePendingClusteringMapIfPresent();
closePendingCompactionMapIfPresent();
closePendingLogCompactionMapIfPresent();
closeBootstrapFileMapIfPresent();
closeReplaceInstantsMapIfPresent();
- super.close();
+ super.closeResources();
Review Comment:
can we move `super.closeResources()` to L 229 (first line w/n this method)
to keep it consistent across
##########
hudi-common/src/main/java/org/apache/hudi/common/table/view/SpillableMapBasedFileSystemView.java:
##########
@@ -225,14 +225,18 @@ protected void
removeReplacedFileIdsAtInstants(Set<String> instants) {
}
@Override
- public void close() {
+ protected void closeResources() throws Exception {
+ // Close ExternalSpillableMaps (which hold RocksDB handles) while the
writeLock is held
+ // by AbstractTableFileSystemView.close(). This prevents a race where a
concurrent reader
+ // holding readLock could be mid-call in RocksDBDAO.put() when the handles
are cleared,
+ // causing a NullPointerException at RocksDB.put(null_handle, ...).
closeFileGroupsMapIfPresent();
closePendingClusteringMapIfPresent();
closePendingCompactionMapIfPresent();
closePendingLogCompactionMapIfPresent();
closeBootstrapFileMapIfPresent();
closeReplaceInstantsMapIfPresent();
- super.close();
+ super.closeResources();
Review Comment:
ignore my feedback.
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