bbejeck commented on code in PR #23144:
URL: https://github.com/apache/kafka/pull/23144#discussion_r3771653578
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streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBStore.java:
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@@ -512,10 +512,17 @@ public synchronized byte[] putIfAbsent(final Bytes key,
@Override
public void putAll(final List<KeyValue<Bytes, byte[]>> entries) {
+ Objects.requireNonNull(entries, "entries cannot be null");
+ // Validate up front so a null key rejects the whole batch. An
accessor may apply the entries
+ // one at a time, and failing part-way through would otherwise leave
the batch half-applied.
+ for (final KeyValue<Bytes, byte[]> entry : entries) {
+ Objects.requireNonNull(entry, "entry cannot be null");
+ Objects.requireNonNull(entry.key, "key cannot be null");
+ }
+ validateStoreOpen();
Review Comment:
yes it's new here, if we try to do `putAll` on a closed store we get an NPE.
It's used in 18 call sites, and every method added in the KIP-892/1035 work, so
it's following the pattern established
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