# SlicerCochlea: Cdash test keeps failing

**URL:** <https://discourse.slicer.org/t/slicercochlea-cdash-test-keeps-failing/5022>\
**Category:** Support\
**Created:** [December 9, 2018, 10:56am UTC](https://discourse.slicer.org/t/slicercochlea-cdash-test-keeps-failing/5022 "2018-12-09T10:56:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brhoom](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/brhoom/32/1228_2.png) [@brhoom](https://discourse.slicer.org/u/brhoom)\
**Post date:** [December 9, 2018, 10:56am UTC](https://discourse.slicer.org/t/slicercochlea-cdash-test-keeps-failing/5022/1 "2018-12-09T10:56:55Z")

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**Site Name:** [metroplex.kitware](http://slicer.cdash.org/viewSite.php?siteid=949)  
**Build Name:** 27501-SlicerCochlea-git722d991-g+±64bits-Qt5.11-Release  
**Stamp:** 20181209-0300-Extensions-4.10-Nightly  
**Time:** 2018-12-09T05:37:17 UTC  
**Type:** Extensions-4.10-Nightly  
**OS Name:** Linux  
**OS Platform:** x86\_64  
**OS Release:** 3.10.0-514.6.1.el7.x86\_64  
**OS Version:** #1 SMP Sat Dec 10 11:15:38 EST 2016  
**CTest version:** ctest-3.12.1  
**Test output**

```
 qt.qpa.screen: QXcbConnection: Could not connect to display :0 Could not connect to any X display.

```

What does this error mean?

Here is the [link](http://slicer.cdash.org/viewTest.php?buildid=1457023).

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<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [December 9, 2018, 2:25pm UTC](https://discourse.slicer.org/t/slicercochlea-cdash-test-keeps-failing/5022/2 "2018-12-09T14:25:38Z")

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This is a configuration issue on the build&test server: display is not configured correctly.

@jcfr could you have a look? Thanks!