Thursday 3 July 2014

Loadrunner : Error -26601: Decompression function (wgzMemDecompressBuffer) failed, return code=-5 (Z_BUF_ERROR), inSize=0, inUse=0, outUse=0

The decompression function error in loadrunner occurs because of insufficient buffer size set in the runtime settings. The Network buffer size is set to 12288 bytes, by default.

In a scenario where user requires to use more than the specified buffer, we encounter the "Decompression function (wgzMemDecompressBuffer) failed" error.

Solution:- Increasing the network buffer size in Runtime settings> Preferences> Option>General>Netwok Buffer Size


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