Received fatal alert: certificate_unknown Error in Coherence Out Logs (Doc ID 2209716.1)

Last updated on MARCH 14, 2017

Applies to:

Oracle Coherence - Version 3.7.1.13 and later
Information in this document applies to any platform.

Symptoms

On : 3.7.1.13 version, Oracle Coherence

The JDK version:

java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

After upgrading OAM Servers to version 11.1.2.3.160719, noticed following Coherence certs related errors continuously in Admin Server logs,

Issue is still seen even after removing the MD5 from jdk.certpath.disabledAlgorithms by implementing the following steps:

> Open JAVA_HOME/lib/security/java.security


> Remove MD5 from the line jdk.certpath.disabledAlgorithms



Cause

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