APAR status
Closed as program error.
Error description
The listener thread may receive an OS error when trying to bind the port with an IPv6 address. This results in an AF similar to: Assert Warning: Unable to bind to the port (18105) on the host () for the server (server1). Stack for thread: 11 soctcplst (oninit) afstack (oninit) afhandler (oninit) afwarn_interface (oninit) listen_af_alarm (oninit) lisnsocket (oninit) tlListen (oninit) slSQIlisten (oninit) pfListen (oninit) cmListen (oninit) alListen (oninit) ASF_Call (oninit) sql_listener This may occur when using a specific IPv6 address other than the loopback address ::1. This problem may occur on releases of Linux where the option "myhostname" is permitted for the hosts entry in /etc/nsswitch.conf. The presence of this entry avoids the need to enter the host's specific IP address into /etc/hosts and will result in an IPv6 address being used by the listener thread if IPv6 has been configured for at least one network interface. Red Hat 7 is one such OS version where this option is available.
Local fix
The workaround is to allow the bind operation to use any of the available IPv6 addresses on the server by prefixing the hostname or address in column 3 of the sqlhosts file with an asterix "*". Alternatively if IPv6 is not required it may be disabled by setting the environment variable IFX_DISABLE_IPV6 or creating the empty file $INFORMIXDIR/etc/IFX_DISABLE_IPV6.
Problem summary
**************************************************************** * USERS AFFECTED: * * informix user with IPv6 enabled * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Update to IBM Informix Server 12.10.xC6 * ****************************************************************
Problem conclusion
Problem Fixed In IBM Informix Server 12.10.xC6
Temporary fix
Comments
APAR Information
APAR number
IT11530
Reported component name
INFORMIX SERVER
Reported component ID
5725A3900
Reported release
C10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2015-10-01
Closed date
2015-12-30
Last modified date
2024-09-24
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
INFORMIX SERVER
Fixed component ID
5725A3900
Applicable component levels
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
25 September 2024