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Informix Error -25588: The appl process cannot connect to Dynamic Server <server-name>. </server-name>

Cause and resolution

The appl process cannot connect to Dynamic Server <server-name>. </server-name>

An error in the application can produce this message. Check your CONNECT statement and the sqlhosts file. A system failure can also produce this message. If you can find no immediate cause for the failure, note the circumstances and contact your database server administrator for assistance.

The shared memory communication subsystem is down or not functioning. Contact the database server administrator to report the problem.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-25588 fires when the application process can't connect to the named Dynamic Server — per the official guidance.

  1. An error in the application's CONNECT statement or sqlhosts configuration, per the official guidance — the first named case.
  2. A system failure, per the official guidance — the second named case, when no immediate application-side cause is apparent.
  3. The shared memory communication subsystem being down or malfunctioning, per the official guidance — the third named case.
Solutions / Resolution
  1. Check the CONNECT statement and the sqlhosts file, per the official guidance.
  2. If no immediate cause is found, note the circumstances and contact your database server administrator, per the official guidance.
  3. Contact the database server administrator if the shared memory subsystem appears down, per the official guidance.
Examples
N/A

No specific triggering statement is documented beyond a failed connection to Dynamic Server.

Diagnostic Checks
  1. Check the CONNECT statement and sqlhosts entry, and the shared memory communication subsystem's status, escalating to the DBA if neither explains the failure.
Related Errors / Related Topics

No closely related error codes are cross-referenced for -25588 in this set yet.

The application process couldn't connect to Dynamic Server — check the CONNECT statement/sqlhosts, and the shared memory subsystem's status.