The opmn.log is flooded with "[ons-connect] ... missing connect/missing form factor" Errors
(Doc ID 782051.1)
Last updated on APRIL 04, 2025
Applies to:
Oracle E-Business Suite Technology Stack - Version 12.0 to 12.1.3 [Release 12.0 to 12.1]Information in this document applies to any platform.
Symptoms
Reviewing the $LOG_HOME/ora/10.1.3/opmn/opmn.log file shows it's flooded with lines like these:
<time stamp> [ons-connect] Local connection 82,127.0.0.1,6113 invalid form factor <time stamp> [ons-connect] Passive connection 44d87c,127.0.0.1,6113 missing connect <time stamp> [ons-connect] Local connection 44d87d,127.0.0.1,6113 invalid form factor
The '6113' listed here may be different. The 6113 is the local ONS port specified in $INST_TOP/ora/10.1.3/opmn/conf/opmn.xml file, like:
<port local="6113" remote="6213" request="6503"/>
The Release 12 environment does not show any problems and functions as expected.
The high amount of log entries for these messages create a very large opmn.log. This eventually could cause problems if the server runs out of available disk space or into limits set for the maximum file size.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |