SSL just hanging intermittently

5 pts.
Tags:
AS/400
Communication
iSeries
iSeries v7r1
SSL
TCP/IP
We recently performed our 7.1 upgrade (from 6.1) on a number of 400's. Since the upgrade, we are having issues with SSL communication over data queues in particular. It seems that the system simply stops sending for no reason (nothing in the logs to explain why). If the job involved in the socket send is restarted, the connection is re-established, and items are sent again for a given length of time, before it stops yet again. We've gone through router card changes, we've gone through netstat connections to determine if there was a connection that just closed. Nothing has otherwise appeared to change communication-wise. We're to the point of asking IBM for assistance on setting up a communication trace. Anyone have any suggestions as to where else we could be looking to see if the cause is on our i5 or if it's a network/router issue?


Software/Hardware used:
iSeries, AS/400
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  • TheRealRaven
    Can you clarify if you're asking about iSeries-to-iSeries data queue communication or is it client-server? (What client?)

    It seems that the system simply stops sending...

    What is "system"? How do you determine if "system" stops sending rather than a recipient stops receiving?

    Any chance we can see any sending and receiving code? Without seeing code, it's almost impossible to guess where to start.
    36,115 pointsBadges:
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