Informix Error -25591: Transport control received an invalid connection address.

Cause and resolution

Transport control received an invalid connection address.

Check the hostname and servicename entries in the $INFORMIXDIR/etc/sqlhosts file for the desired database server. Verify with the DBA and the system administrator that the hostname and servicename are spelled correctly. If you are using TCP/IP, also verify that the hostname and servicename have corresponding entries in the /etc/hosts and the /etc/services files, respectively, on the client computer.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-25591 fires when the transport layer receives a connection address it can't use — per the official guidance.

An incorrect hostname/servicename entry in $INFORMIXDIR/etc/sqlhosts, per the official guidance — the direct, only cause.

Solutions / Resolution

Check the hostname and servicename entries in sqlhosts, per the official guidance, verifying spelling with the DBA and system administrator.
On TCP/IP, verify corresponding entries exist in /etc/hosts and /etc/services, per the official guidance.

Examples

N/A

No specific triggering statement is documented beyond an invalid connection address.

Diagnostic Checks

Check the sqlhosts hostname/servicename entries, and their corresponding /etc/hosts//etc/services entries on TCP/IP.

Related Errors / Related Topics

No closely related error codes are cross-referenced for -25591 in this set yet.

The transport layer received an invalid connection address — check sqlhosts and its corresponding /etc/hosts//etc/services entries.