A RFC sender channel is registered at a SAP Gateway which is shutdown. Does the RFC sender channel automatically reconnect to the SAP Gateway after it is available again?
The SAP Gateway is shutdown due to e.g. offline backup of the R/3 database while a RFC-Adapter sender channel is registering at this SAP Gateway. After restarting the SAP Gateway, the RFC sender channel does not seem to automatically perform a reconnect.Actually the RFC sender channel will try to reconnect to the SAP Gateway. If this reconnect fails, the next reconnect attempt is made after a waiting period of 1 second. If the next reconnect fails also, the waiting period is doubled and so on. This will lead to a reconnect timing of 1, 2, 4, 8, …, 3600 seconds. Saving recources is the aim of this technique.If not configured, the maximum waiting time is defined in the middleware layer of SAP JCO, which is 3600 seconds. But this maximum time can be configured for each RFC sender channel in the XI Integration Directory. Open the Advanced Mode for the RFC Server Parameter.Before SP 12: Add a line to the table and use ‘jco.server.max_startup_delay’ as name and the maximum number of second
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