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Error: Exception was raised when calling per-process-init function in extension ...
Title :
Error: Exception was raised when calling per-process-init function in extension two_way_comm.dll when running a test in PC host 11.52
Document ID :
KM01431172
Product - Version:
performance center 11.52 ; loadrunner 11.52 ;
OS :
Updated :
Wed Jan 04 10:12:51 GMT 2017
Summary :
The error appears during a test, which contains TruClient Firefox scripts, which runs in Performance Center host 11.52 patch 1 when IP spoofing is enabled. IP spoofing for TruClient Ajax Firefox and TruClient Ajax - Mobile is supported from LoadRunner & Performance Center 12.00 onwards.
Problem

The following error messages appears during a test, which contains TruClient Firefox scripts, is run in Performance Center host 11.52 patch 1.

Abnormal termination, caused by mdrv process termination."
"Error: Exception was raised when calling per-process-init function in extension two_way_comm.dll: System Exceptions: EXCEPTION_ACCESS_VIOLATION"

Cause

The problem is caused by IP spoofing and does not reproduce if IP spoofing is disabled during the test.

IP spoofing for TruClient protocols:  TruClient Ajax Firefox and TruClient Ajax - Mobile  is supported from LoadRunner & Performance Center 12.00 onwards.

Fix

To overcome the issue:

  1. Disable IP spoofing during a test in which TruClient Firefox script is used or
  2. Upgrade to ALM Performance Center 12.01 or later version.