When fetching a key from different data structures on the client side, I can
end up with not finding the object in the cache after putting it there.

Server logs will show different hash values for the same object:

PUT:
*** Received event [cache=demo, evt=CACHE_OBJECT_PUT,
key=com.google.protobuf.ByteString$LiteralByteString [idHash=2039727365,
hash=-943417763, bytes=[86, 83], hash=0]

GET succeeds:
*** Received event [cache=demo, evt=CACHE_OBJECT_READ,
key=com.google.protobuf.ByteString$LiteralByteString [idHash=1894334736,
hash=-943417763, bytes=[86, 83], hash=0]

GET fails: *** Received event [cache=demo, evt=CACHE_OBJECT_READ,
key=com.google.protobuf.ByteString$LiteralByteString [idHash=1467314555,
hash=-941523632, bytes=[86, 83], hash=4671]

Hash of 4671 is a valid Java hash. Why in first 2 cases hash is 0?
I believe the reason for discrepancies is different values of hash
-943417763 and -941523632. Can you point how it's calculated?

Thank you
Ariel





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