Workflow Sessions Not Released and Mailer Log File Shows SSL Error (Doc ID 2378716.1)

Last updated on DECEMBER 08, 2022

Applies to:

Symptoms

On : 12.1.3 version, Workflow Mailer

Workflow sessions are not released and the following errors appears in the Workflow Mailer log:

ERROR
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[Feb 21, 2018 9:00:50 AM EST]:1519221650389:-1:-1:<HOST>:<IP ADDR>:-1:-1:1:20420:SYSADMIN(0):-1:Thread[outboundThreadGroup1,5,outboundThreadGroup]:2037174232:53757:1519221514801:12:ERROR:[SVC-GSM-WFMLRSVC-102615-10006 : oracle.apps.fnd.wf.mailer.SMTPMessageHandler.prepareMessages(String)]:Problem getting HTML content -> oracle.apps.fnd.wf.mailer.FormatterException: Problem getting the HTML content -> oracle.apps.fnd.wf.mailer.NotificationFormatter$FormatterSAXException: Problem obtaining the HTML content -> oracle.apps.fnd.wf.common.HTTPClientException: Unable to invoke method HTTPClient.HTTPConnection.Get caused by: javax.net.ssl.SSLException: java.lang.RuntimeException: Could not generate DH keypair
  at oracle.apps.fnd.wf.mailer.NotificationFormatter.handleResEndTag(NotificationFormatter.java:3465)
  at oracle.apps.fnd.wf.mailer.NotificationFormatter.endElement(NotificationFormatter.java:578)
  at oracle.xml.parser.v2.XMLContentHandler.endElement(XMLContentHandler.java:210)
  at oracle.xml.parser.v2.NonValidatingParser.parseElement(NonValidatingParser.java:1345)
  at oracle.xml.parser.v2.NonValidatingParser.parseRootElement(NonValidatingParser.java:362)
  at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:308)
  at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:337)
  at oracle.apps.fnd.wf.mailer.NotificationFormatter.getFormattedMessages(NotificationFormatter.java:354)
  at oracle.apps.fnd.wf.mailer.SMTPMessageHandler.prepareMessages(SMTPMessageHandler.java:96)
  at oracle.apps.fnd.wf.mailer.SMTPOutboundProcessor.read(SMTPOutboundProcessor.java:793)
  at oracle.apps.fnd.cp.gsc.SvcComponentProcessor.process(SvcComponentProcessor.java:604)
  at oracle.apps.fnd.cp.gsc.Processor.run(Processor.java:283)
  at java.lang.Thread.run(Thread.java:662)
 Caused by: oracle.apps.fnd.wf.mailer.NotificationFormatter$FormatterSAXException: Problem obtaining the HTML content -> oracle.apps.fnd.wf.common.HTTPClientException: Unable to invoke method HTTPClient.HTTPConnection.Get caused by: javax.net.ssl.SSLException: java.lang.RuntimeException: Could not generate DH keypair


STEPS
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The issue can be reproduced at will with the following steps:
1. Oracle Application Manager (OAM) > Workflow > Home
2. Notification Mailer > Workflow Notifications Mailer > Create
3. Created a Customer Mailer for HXCEMP%
4. Attempted to Start the Mailer

Changes

 stunnel is used to perform the workflow process from concurrent manager tier to application server

Cause

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