ALERT: Some images may not load properly within the Knowledge Base Article. If you see a broken image, please right-click and select 'Open image in a new tab'. We apologize for this inconvenience.

Problem when Virtual Service recording by Proxy passthru style with https transport protocol


Article ID: 110899


Updated On:


CA Application Test Service Virtualization


When trying to use VSE recorder for the public website by Proxy passthru style with HTTPS transport protocol, the VSE recorder fails in these conditions:

*The screenshot of the VSE recorder like below:

User-added image
*The points which VSE recorder failed were always changed
*The error messages in workstation.log like below:

2018-07-05 01:42:37,273Z (10:42) [Filter thread for>] WARN - Unable to decompress data Unexpected end of ZLIB input stream
2018-07-05 01:53:42,402Z (10:53) [AWT-EventQueue-0] ERROR com.itko.util.swing.UserMessage - An error occurred processing a response block. Not in GZIP format

2018-07-05 02:09:20,825Z (11:09) [AWT-EventQueue-0] ERROR com.itko.util.swing.UserMessage - Connection refused: connect Connection refused: connect

And cannot continue the recording and cannot save the transactions before encountering the exception.


This is a buffer over flow problem when processing consecutive data like compressed data.


Release: Service Virtualization 10.3
Component: Workstation, VSE


Please open a support case to get the solution of this problem. CA support will deliver the patch for this problem.
DevTest 10.4 includes the fix of this problem, then upgrading to DevTest 10.4 also can solve the problem.