'Too Many Open Files' And Excessive TCP Socket Connections In CLOSE_WAIT State In ODI Agent Load Balanced Configuration
(Doc ID 1628778.1)
Last updated on JULY 02, 2018
Applies to:
Oracle Data Integrator - Version 11.1.1.3.0 to 12.1.2.0.1 [Release 11gR1 to 12c]Information in this document applies to any platform.
Symptoms
After having set up an Oracle Data Integrator (ODI) mixed Agent load balancing configuration comprising:
- A parent ODI 11g JEE Agent
- Multiple child ODI 11g standalone Agents
when the system has been running correctly for approximately 12 hours, the WebLogic Managed Server hosting the J2EE Agent displays the following message:
Too Many Open Files
in its log file.
Moreover, network administrators detect unexpectedly large number of TCP socket connections in a CLOSE_WAIT state on the host server supporting the J2EE Agent which correspond to connections to processes on the host machines where ODI child Agents are running:
tcp 1 0 1.2.3.04:57500 1.2.3.05:21910 CLOSE_WAIT 8077/java off (0.00/0/0)
tcp 1 0 1.2.3.04:41583 1.2.3.06:21910 CLOSE_WAIT 8077/java off (0.00/0/0)
tcp 1 0 1.2.3.04:38218 1.2.3.07:21910 CLOSE_WAIT 8077/java off (0.00/0/0)
tcp 1 0 1.2.3.04:44276 1.2.3.08:21920 CLOSE_WAIT 8077/java off (0.00/0/0)
tcp 1 0 1.2.3.04:48392 1.2.3.09:21910 CLOSE_WAIT 8077/java off (0.00/0/0)
tcp 1 0 1.2.3.04:51099 1.2.3.10:21920 CLOSE_WAIT 8077/java off (0.00/0/0)
...
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |