One of the most poorly understood VuGen Runtime Settings is the one that allows a performance tester to treat “non-critical resource errors as warnings”. The majority of LoadRunner users I have spoken to do not realise that enabling this setting can hide serious load-related defects in the system under test.
LoadRunner automatically detects HTTP 4xx or 5xx responses but, if this runtime setting is enabled, LoadRunner will ignore the HTTP 4xx or 5xx error code when requesting a resource (i.e. the current transaction will not fail).
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