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WebLogic NTSocketMuxer Threads Consuming 100% CPU When Native IO Is Enabled (Doc ID 1456935.1)

Last updated on APRIL 30, 2018

Applies to:

Oracle WebLogic Server - Version 10.3.5 to 10.3.6
Information in this document applies to any platform.

Symptoms

Under the following configuration, incoming data will cause consumption of 100% CPU, and a restart of the server is necessary to recover.

The problem with each CPU core being consumed by weblogic.socket.NTSocketMuxer will appear visibly to happen in several steps as per the WebLogic Server (WLS) log files:

Cause

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