IBM Support

Rational Synergy Web-Mode GUI crashes after removing Public Key Infrastructure key

Technote (troubleshooting)


The IBM Rational Synergy web-mode GUI crashes after using a Public Key Infrastructure (PKI) key.


The Synergy GUI goes black and the session crashed when you click on the GUI after returning to the machine and inserting the PKI key. These are also known as Common Access Cards(CAC) or Smart Cards.

Steps to reproduce:

  1. Run Rational Synergy GUI in Web Mode on a Windows laptop using a PKI key.
  2. Remove key and reinsert key.
  3. Click on Rational Synergy GUI in status bar.
  4. The Rational Synergy GUI goes black and the session crashes.


This issue was identified as a product defect and logged under APAR PM80710.


Rational Synergy client on Windows 7

Resolving the problem


  1. Stop the Rational Synergy Client

  2. Edit the file CCM_HOME\bin\cmsynergy.lax

  3. Change this line:

    to: -Djava.util.logging.config.file=../etc/

  4. Restart the Synergy Web-Mode GUI

Related information

Rational Product support for Smart Cards (CAC/PKI)
Rational Synergy supports Smart Cards(CAC/PKI)

Document information

More support for: Rational Synergy
General Information

Software version:,,, 7.2, 7.2.1

Operating system(s): Linux, Windows

Reference #: 1622941

Modified date: 23 February 2015