franz1981 commented on code in PR #12163:
URL: https://github.com/apache/kafka/pull/12163#discussion_r873652472
##########
clients/src/main/java/org/apache/kafka/common/utils/Checksums.java:
##########
@@ -30,6 +33,18 @@
*/
public final class Checksums {
+ private static final MethodHandle BYTE_BUFFER_UPDATE;
+
+ static {
+ MethodHandle byteBufferUpdate = null;
+ try {
+ byteBufferUpdate =
MethodHandles.publicLookup().findVirtual(Checksum.class, "update",
MethodType.methodType(void.class, ByteBuffer.class));
+ } catch (Throwable silent) {
Review Comment:
I've added a LOG::warn in case the given signature is expected to be found
(although it doesn't consider the security manager enabling option - but I
don't believe is a common Kafka practice suggested to users).
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