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Posted to issues@nifi.apache.org by "Anna Nys (Jira)" <ji...@apache.org> on 2023/09/25 17:00:00 UTC

[jira] [Assigned] (NIFI-6721) jms_expiration attribute problem

     [ https://issues.apache.org/jira/browse/NIFI-6721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anna Nys reassigned NIFI-6721:
------------------------------

    Assignee: Anna Nys  (was: Seokwon Yang)

> jms_expiration attribute problem
> --------------------------------
>
>                 Key: NIFI-6721
>                 URL: https://issues.apache.org/jira/browse/NIFI-6721
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.8.0
>         Environment: Linux CENTOS 7
>            Reporter: Tim Chermak
>            Assignee: Anna Nys
>            Priority: Minor
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> The documentation for PublishJMS indicates the JMSExpiration is set with the attribute jms_expiration. However, this value is really the time-to-live (ttl) in milliseconds. The JMSExpiration is calculated by the provider library as "expiration = timestamp + ttl"
> So, this NiFi flowfile attribute should really be named jms_ttl. The current setup works correctly when NiFi creates and publishes a message, but has problems when you try to republish a JMS message.
> GetFile -> UpdateAttibute -> PublishJMS creates a valid JMSExpiration in the message, however, when a JMS has the expiration set, ConsumeJMS -> PublishJMS shows an error in the nifi.--app.log file: "o.apache.nifi.jms.processors.PublishJMS PublishJMS[id=016b1005-xxxxxx...] Incompatible value for attribute jms_expiration [1566428032803] is not a number. Ignoring this attribute."
> Looks like ConsumeJMS set the flowfile attribute to the expiration value rather than the time-ti-live value. Time-to-live should be jms_ttl = expiration - current_time.
>  



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