Java – Known Issue: Unable to exit out of a Collaborate session after installing Java 7 Update 13 or Java 6 Update 39
This issue has been resolved in the Web Conferencing 11.1.5 and 12.1.5 releases, please review the release notes for more details.
After installing Java updates (Java 7 Update 17 or Java 6 Update 43), users may be unable to exit out of a Collaborate session. The user will be removed from the session but the Java application will fail to completely close.
Users should force quit the application or the Java process on Windows:
Windows Users: (Window users may see the error message "name" is already in the session when they try and join a new session because a old Java process is still running. )
Please note: We are actively investigating a solution for this issue.