Peter Turcsanyi created NIFI-16182:
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Summary: Wait processor fails with ConcurrentModificationException
when using Redis as the cache service
Key: NIFI-16182
URL: https://issues.apache.org/jira/browse/NIFI-16182
Project: Apache NiFi
Issue Type: Bug
Reporter: Peter Turcsanyi
Assignee: Peter Turcsanyi
NIFI-15883 added optimistic locking for the Wait/Notify signal cache entries.
The revision check properly works for simple revision types (typically a long
value is used) but fails when the revision is a raw byte array, like in case of
[RedisDistributedMapCacheClientService|https://github.com/apache/nifi/blob/96737bbd588dd6fea2b6624c9cffae55557fce72/nifi-extension-bundles/nifi-redis-bundle/nifi-redis-extensions/src/main/java/org/apache/nifi/redis/service/RedisDistributedMapCacheClientService.java#L76-L77].
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