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Messages "Can't create Socket: Address Family Not Supported By Protocol" In Gateway Instance Trace File (Doc ID 2022399.1)

Last updated on FEBRUARY 24, 2021

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



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


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