WebLogic File Descriptor Leak When Using NIOSocketMuxer
(Doc ID 2260511.1)
Last updated on JULY 26, 2023
Applies to:
Oracle WebLogic Server - Version 12.1.3.0.0 to 12.2.1.2.0 [Release 12c]Information in this document applies to any platform.
Symptoms
On WLS 12.2.1.1, where upper stack products as OSB or Exalogic are present which uses the NIOSocketMuxer by default - a critical system availability issue is seen and the number of file descriptors kept increasing.
As a troubleshooting step, to check if issue is located in the muxers, if we switch to the posix muxer by adding the parameter -Dweblogic.MuxerClass=weblogic.socket.PosixSocketMuxer
to the WebLogic managed servers, the issue with increase in file descriptors count appeared to stop.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |