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https://issues.apache.org/jira/browse/IGNITE-5565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655603#comment-16655603
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Sergey Kosarev commented on IGNITE-5565:
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Fixed an error. Previous Cron4J version only accepted cron expressions without
seconds pattern.
Now we can you use both formats and if seconds are omitted, they are set to 0.
For example
following expresssions are equivalent
{code}
* * * * *
0 * * * * *
{code}
(triggering every minute)
[~vkulichenko], take a look to my changes, please.
> Replace Cron4J with Quartz or Spring scheduler for ignite-schedule module.
> --------------------------------------------------------------------------
>
> Key: IGNITE-5565
> URL: https://issues.apache.org/jira/browse/IGNITE-5565
> Project: Ignite
> Issue Type: Task
> Components: general
> Reporter: Alexey Kuznetsov
> Assignee: Sergey Kosarev
> Priority: Major
> Labels: newbie
>
> 1) Cron4J is very old:
> Latest Cron4j 2.2.5 released: 28-Dec-2011
> Latest Quarz 2.3.0 released: 20-Apr-2017
> 2) Not very friendly license:
> CronJ4 licensed under GNU LESSER GENERAL PUBLIC LICENSE
> Quartz is freely usable, licensed under the Apache 2.0 license.
> So, if we replace Cron4J with Quartz we can move ignite-schedule module
> from lgpl profile to main distribution.
> Also spring's scheduler could be considered as Cron4J alternative.
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