"No Selector available. Increase default: 128" messages appear in the Oracle GlassFish Server Log (Doc ID 1329028.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle GlassFish Server - Version 3.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 22-Apr-2013***

Symptoms

Frequent "No Selector available" messages in the logs under heavy load. Application sometimes freezes.

[#|2011-05-04T13:01:44.706-0500|WARNING|oracle-glassfish3.0.1|com.sun.grizzly.config.GrizzlyServiceListener|_ThreadID=10137;_ThreadName=Thread-1;|No Selector available. Increase default: 128|#]

Cause

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