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Posted to issues@nifi.apache.org by "Peter Turcsanyi (Jira)" <ji...@apache.org> on 2026/08/11 10:38:00 UTC

[jira] [Updated] (NIFI-16182) Wait processor fails with ConcurrentModificationException when using Redis as the cache service

     [ https://issues.apache.org/jira/browse/NIFI-16182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Turcsanyi updated NIFI-16182:
-----------------------------------
    Status: Patch Available  (was: Open)

> 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
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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