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

Last updated on AUGUST 16, 2018

Applies to:

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


On : 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, 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/

> Remove MD5 from the line jdk.certpath.disabledAlgorithms


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