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We are replicating from IMS (System z) to WebHDFS on Linux and using Kerberos authentication. The Kerberos certificates expire every number of hours and we use the -kinit to renew them. A running subscription does not seem to have the ability to recognize a certificate has been renewed and will abend. The solution is to stop and restart the subscription, which works, but is there any other way without stopping the sub?

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It's not pretty, but the way around this is a script using CHCCLP to stop subscriptions, renew the certificate, then restart the subscription. Use a cron job to auto start this script every n hours as needed.