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Rational Functional Tester playback results in "com.rational.test.ft.svs.Mutex$TimeoutException" error

Troubleshooting


Problem

Attempts to run IBM Rational Functional Tester (RFT) scripts result in the error "com.rational.test.ft.svs.Mutex$TimeoutException".

Symptom

During playback, Rational Functional Tester halts with the following exception and Rational Functional Tester must be restarted:

com.rational.test.ft.svs.Mutex$TimeoutException

Cause

The default SpyHeapSize is set to low for your environment.

Resolving The Problem

The default SpyHeapSize is 1048576.

This value can be increased by adding a DWORD value named SpyHeapSize to the Microsoft registry and set its value to 2097152 decimal.

Note: If setting this value does not resolve the issue, contact Rational support for assistance to perform a root cause analysis for your environment.

Disclaimer

This solution contains information about modifying the system registry. Before making any modifications to the Microsoft Registry Editor, it is strongly recommended that you make a backup of the existing registry. For more information describing how to back up the registry, refer to Microsoft Knowledge Base article 256986

Procedure:

  1. Open the Windows Registry Editor (Start > Run and type regedit).

  2. Navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\Rational Software\Rational Test\8]

  3. Create a new DWORD value named SpyHeapSize and set its value data to 2097152 (or 200000 hexadecimal)

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Document Information

Modified date:
16 June 2018

UID

swg21318359