# Build machine failing when local clean build doesn't

**URL:** <https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721>\
**Category:** Development\
**Created:** [October 9, 2019, 2:18pm UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721 "2019-10-09T14:18:42Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![adamrankin](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/adamrankin/32/155_2.png) [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Post date:** [October 9, 2019, 2:18pm UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721/1 "2019-10-09T14:18:43Z")

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@jcfr

[http://slicer.cdash.org/viewBuildError.php?buildid=1716023](http://slicer.cdash.org/viewBuildError.php?buildid=1716023)

I did a clean build of Slicer and SlicerOpenCV yesterday and it passed, but the build machine is failing. How can I go about diagnosing?

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**Author:** ![adamrankin](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/adamrankin/32/155_2.png) [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Post date:** [October 9, 2019, 6:01pm UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721/2 "2019-10-09T18:01:25Z")

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@Sam_Horvath any chance either of you or JC would be able to help me diagnose?

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**Author:** ![Sam\_Horvath](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sam_horvath/32/3092_2.png) [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Post date:** [October 9, 2019, 7:10pm UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721/3 "2019-10-09T19:10:30Z")

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I’ll have some time to look at it tomorrow.

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**Author:** ![Sam\_Horvath](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sam_horvath/32/3092_2.png) [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Post date:** [October 10, 2019, 12:47am UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721/4 "2019-10-10T00:47:09Z")

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A thought on debugging:

To test the extension, are you building it standalone, or from the ExtensionsIndex framework? (may have different behavior)

See: [https://www.slicer.org/wiki/Documentation/Nightly/Developers/Build\_ExtensionsIndex](https://www.slicer.org/wiki/Documentation/Nightly/Developers/Build_ExtensionsIndex)

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**Author:** ![adamrankin](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/adamrankin/32/155_2.png) [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Post date:** [October 10, 2019, 1:38pm UTC](https://discourse.slicer.org/t/build-machine-failing-when-local-clean-build-doesnt/8721/5 "2019-10-10T13:38:13Z")

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I was doing standalone, I’ll give EI build a try