OAM Admin Server Failing To Start After Java Upgrade

(Doc ID 2337040.1)

Last updated on DECEMBER 15, 2017

Applies to:

Oracle Access Manager - Version 11.1.2.3.171017 and later
Information in this document applies to any platform.

Symptoms

OAM Admin server failing to start after java upgrade with many coherence warnings

After upgrading JAVA from 1.6.0_115 to 1.6.0_161, OAM Admin server failed to start with below error.
Copied the security folder under /java/jre/lib from 1.6.0_115 to 1.6.0_171 admin server came to RUNNING state but there are a lot of coherence errors.

(thread=PacketListener1, member=n/a): TcpDatagramSocket{bind=ServerSocket[addr=/xxx.xx.xx.xxx,localport=9095]}, exception regarding peer xxxx.com/xxx.xx.xx.xxx:9095, General SSLEngine problem; Certificates do not conform to algorithm constraints; Algorithm constraints check failed on signature algorithm: MD5withRSA>
(thread=PacketListener1, member=n/a): TcpDatagramSocket{bind=ServerSocket[addr=/xxx.xx.xx.xxx,localport=9095]}, exception regarding peer /xxx.xx.xx.xxx:36448, Received fatal alert: certificate_unknown>
(thread=PacketListener1, member=n/a): TcpDatagramSocket{bind=ServerSocket[addr=/xxx.xx.xx.xxx,localport=9095]}, exception regarding peer xxxx.com/xxx.xx.xx.xxx:9095, General SSLEngine problem; Certificates do not conform to algorithm constraints; Algorithm constraints check failed on signature algorithm: MD5withRSA>

Cause

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