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

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-6721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17770913#comment-17770913 ] 

ASF subversion and git services commented on NIFI-6721:
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Commit 9b9dd4bae3be28057ada9fcfeca9f8e3efb79abd in nifi's branch refs/heads/main from annanys23
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=9b9dd4bae3 ]

NIFI-6721: This closes #7789. jms_expiration attribute problem fix

Originally authored in part by sjyang18 <il...@hotmail.com>

Signed-off-by: Joseph Witt <jo...@apache.org>


> 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
>             Fix For: 1.latest, 2.latest
>
>          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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