| Error 2015-07-08 13:17:34,956 [http-bio-8080-exec-4] ERROR errors.GrailsExceptionResolver  - NullPointerException occurred when processing request: [GET] /kameleoon/abTest/exportExperimentToExcel - parameters:
id: 17636
analyticsParamsList: {"primary_KAMELEOON_5519":{"id":17636,"filters":[],"ventilation":null}}
Cannot get property 'preferredLocale' on null object. Stacktrace follows:
Message: Cannot get property 'preferredLocale' on null object
    Line | Method
->>   33 | run                     in home_louiza_workspace_kameleoon_grails_app_views_back_office_abTest__displayFormatedResultsForGoal_gsp
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|    509 | doCall                  in com.kameleoon.backoffice.AbTestController$_exportExperimentToExcel_closure48
|    492 | exportExperimentToExcel in com.kameleoon.backoffice.AbTestController
|    198 | doFilter                in grails.plugin.cache.web.filter.PageFragmentCachingFilter
|     63 | doFilter . . . . . . .  in grails.plugin.cache.web.filter.AbstractFilter
|     23 | doFilterInternal        in org.tonyzampogna.xss.sanitizer.filter.XssFilter
|   1145 | runWorker . . . . . . . in java.util.concurrent.ThreadPoolExecutor
|    615 | run                     in java.util.concurrent.ThreadPoolExecutor$Worker
^    745 | run . . . . . . . . . . in java.lang.Thread
URL: http://back-office.kameleoon-dev.net/kameleoon/abTest/exportExperimentToExcel?id=17636&analyticsParamsList={%22primary_KAMELEOON_5519%22:{%22id%22:17636,%22filters%22:[],%22ventilation%22:null}}

Cannot get property 'preferredLocale' on null object
java.lang.NullPointerException: Cannot get property 'preferredLocale' on null object
        at home_louiza_workspace_kameleoon_grails_app_views_back_office_abTest__displayFormatedResultsForGoal_gsp.run(home_louiza_workspace_kameleoon_grails_app_views_back_office_abTest__displayFormatedResultsForGoal_gsp:33)
        at com.kameleoon.backoffice.AbTestController$_exportExperimentToExcel_closure48.doCall(AbTestController.groovy:509)
        at com.kameleoon.backoffice.AbTestController.exportExperimentToExcel(AbTestController.groovy:492)
        at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198)
        at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
        at org.tonyzampogna.xss.sanitizer.filter.XssFilter.doFilterInternal(XssFilter.java:23)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)