A Weblogic Server Instance Using Coherence*Web Throws An Exception During Startup: "java.io.IOException: Class initialization failed: java.lang.ClassNotFoundException: com.tangosol.coherence.servlet.AbstractHttpSessionCollection$ExitAgent"

(Doc ID 1547383.1)

Last updated on NOVEMBER 03, 2016

Applies to:

Oracle Coherence - Version 3.5.3 and later
Information in this document applies to any platform.
*** Checked for relevance 13-Oct-2014 ***

Symptoms

When attempting to start a Weblogic Server managed instance which has a deployed application that uses Coherence*Web, while a Coherence cache server is up, the following error can occur:

 
The issue can be intermittent, but occurs during  the startup of the Weblogic Server managed instance, when there is there is a lot of HTTP load to the cluster the instance is a member of.  However, the report of this error has no functional impact on the instance or application.

Cause

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