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R12 E-Business Suite Technology Stack AIX Platform "FRM-92050 Failed To Connect to the Server" Error with Port Probing Security Tool (Doc ID 1154303.1)

Last updated on JANUARY 03, 2023

Applies to:

Oracle E-Business Suite Technology Stack - Version 12.0 to 12.1.3 [Release 12.0 to 12.1]
Oracle E-Business Suite Technology Stack - Version 10.1.2 to [Release 10.1]
IBM AIX on POWER Systems (64-bit)


In R12 AIX forms socket mode environment,  Form server hangs and unable to create new forms sessions. This results in, FRM-92050 error when users are attempting to connect to Oracle Applications. Forms server needs to be bounced to resolve the error temporarily.
ERROR and stack trace
FRM-92050 FAILED TO CONNECT TO THE SERVER Connection refused: connect
at Method)
at Source)
at Source)
at Source)
truss output of spinning client processes 
naccept(3, 0x2FF17760, 0x2FF17740)
naccept(3, 0x2FF17760, 0x2FF17740) Err#72 ECONNABORTED
kioctl(1, 22528, 0x00000000, 0x00000000) Err#25 ENOTTY
close(3) = 0 
kwaitpid(0x2FF17770, -1, 5, 0x00000000, 0x00000000) = 0
kfcntl(3, F_GETFL, 0x00000000) Err#9 EBADF
Attempting to set Non-blocking IO caused
kwrite(2, " A t t e m p t i n g t".., 40) = 40
kwrite(2, " : ", 2) = 2Bad file number
kwrite(2, " B a d f i l e n u m".., 15) = 15
naccept(3, 0x2FF1B760, 0x2FF1B740) Err#72 ECONNABORTED  => Error occurred
kioctl(1, 22528, 0x00000000, 0x00000000) Err#19 ENODEV
close(3) = 0                                            => Socket was closed without exception handling


Security tool (i.e. WebKeeper or nmap) has been recently configured  which pings the forms server to do health check. 

For example 
nmap is configured and using below command to check forms server port availability. 


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