Error java.lang.IllegalStateException: Cipher not initialized R12.2

On Oracle Applications 12.2.4,
when attempting to open the status diagram,
the following error occurs:
[1953]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Exception in getHtml: java.lang.IllegalStateException: Cipher not initialized
[1954]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Complete Exception stack is:
[1957]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:java.lang.IllegalStateException: Cipher not initialized at javax.crypto.Cipher.checkCipherState(Cipher.java:1672)
The issue can be reproduced at will with the following steps:
1. Workflow Administrator Web Applications
2. Administrator Workflow
3. Status Monitor
CAUSE
The Workflow code wasn't able to open the URL for the workflow diagram due to SSL setting was missing.
The debug information in NewWorkflowError.docx shows the following error when trying to connect to the url:
[1505]:STATEMENT:[fnd.wf.WFBaseUtil]:Done openConnection [1505]:STATEMENT:[fnd.wf.WFBaseUtil]:String representation of urlConn: weblogic.net.http.SOAPHttpsURLConnection:https://<serverName>:<portNumber>/forms/frmservlet?appletmode=nonforms&HTMLpageTitle=&HTMLpreApplet=&code=oracle.apps.fnd.wf.Monitor&width=800&height=400&archive=/OA_JAVA/oracle/apps/fnd/jar/wfmon.jar,/OA_JAVA/oracle/apps/fnd/jar/fndewt.jar,/OA_JAVA/oracle/apps/fnd/jar/fndswing.jar,/OA_JAVA/oracle/apps/fnd/jar/fndbalishare.jar,/OA_JAVA/oracle/apps/fnd/jar/fndctx.jar...
1505]:STATEMENT:[fnd.wf.WFBaseUtil]:Done setUseCaches
[1953]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Exception in getHtml: java.lang.IllegalStateException: Cipher not initialized
[1954]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Complete Exception stack is:
[1957]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:java.lang.IllegalStateException: Cipher not initialized at javax.crypto.Cipher.checkCipherState(Cipher.java:1672)
SOLUTION
To implement the solution, please execute the following steps:
1. Bring up the WLS Admin console for the EBS instance ->
http://host:port/console and login as the weblogic user.
2. Click on Lock & Edit.
3. Under the Domain Structure, navigate to EBS Domain -> Environment -> Servers.
4. Click on oacore_server1, and click on the SSL tab.
5. Click on Advanced to expand that section.
6. Look for the 'Use JSSE SSL' parameter and enable this by placing a check in the box next to it.
7. Click on Activate Changes.
8. Restart the managed server.
$ADMIN_SCRIPTS_HOME/admanagedsrvctl.sh stop oacore_server1
$ADMIN_SCRIPTS_HOME/admanagedsrvctl.sh start oacore_server1
9. Retest the issue.
10. Migrate the solution as appropriate to other environments.