# Load test for recording doesn't seem to work

**URL:** <https://community.wowza.com/t/load-test-for-recording-doesnt-seem-to-work/35729>\
**Category:** Wowza Streaming Engine\
**Created:** [February 6, 2015, 10:59am UTC](https://community.wowza.com/t/load-test-for-recording-doesnt-seem-to-work/35729 "2015-02-06T10:59:58Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Hobbes\_Pirakitti](https://avatars.discourse-cdn.com/v4/letter/h/8edcca/32.png) [@Hobbes\_Pirakitti](https://community.wowza.com/u/Hobbes_Pirakitti)\
**Post date:** [February 6, 2015, 11:12am UTC](https://community.wowza.com/t/load-test-for-recording-doesnt-seem-to-work/35729/2 "2015-02-06T11:12:49Z")

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Never mind. The PDF on the Wowza site is actually out of date and doesn’t match the PDF that came with the load test tool (!). I followed the instructions in the new PDF and here

> [@Load Testing Tool ERROR](http://community.wowza.com/t/-/42609):
>
> Hi Richard, I got “NullPointerException” at my first attempt running load testing tool. Need your help to figure out the problem. Thanks a lot. Here is my Error Log & Test.xml: ERROR server comment - IdleWorkerUtil: run.work : java.lang.NullPointerException|at com.wowza.wms.httpstreamer.model.HTTPStreamerContext.onIdle(HTTPStreamerContext.java:115)|at com.wowza.wms.util.IdleWorkerUtil.run(IdleWorkerUtil.java:111)| INFO server comment - MediaCasterStreamValidator.init[live/\_definst\_]: Starte…

Hobbes

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