Messages "Can't create Socket: Address Family Not Supported By Protocol" In Gateway Instance Trace File
(Doc ID 2022399.1)
Last updated on JULY 21, 2023
Applies to:
Oracle API Gateway - Version 11.1.2.2.0 to 11.1.2.2.0 [Release 11gR1]Information in this document applies to any platform.
Symptoms
Oracle API Gateway 11.1.2.2.x on Red Hat Enterprise Linux 6.x.
The Gateway instance trace file contains many errors "can't create socket: Address family not supported by protocol"
ERROR 07/Nov/2014:15:26:48.072 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.086 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.127 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.198 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.362 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.367 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.371 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.410 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.086 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.127 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:48.198 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.362 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.367 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.371 [tid] can't create socket: Address family not supported by protocol
ERROR 07/Nov/2014:15:26:49.410 [tid] can't create socket: Address family not supported by protocol
Changes
1.) The problem may be triggered by the following network configuration:
No IPv6 interface
AND
An IPv6 entry for localhost, like this:
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
2.) The problem shows up only related to Gateway management traffic, for example when OAG Manager is used.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Additional Information |
| References |