At end of a run the RF logfiles are copied. The resuld is such:

The RF is version 7.0, and selenium is the newest.

 
00:03:29.830 Robot results publisher started...00:03:29.832 -Parsing output xml:00:03:29.905 Done!00:03:29.906 -Copying log files to build dir:00:03:37.823 Done!00:03:37.823 -Assigning results to build:00:03:37.823 ERROR: Build step failed with exception*00:03:37.824* java.lang.NullPointerException: Cannot invoke "String.length()" because "text" is null*00:03:37.824* at java.base/java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1474)00:03:37.824 at java.base/java.text.DateFormat.parse(DateFormat.java:397)00:03:37.824 at hudson.plugins.robot.model.RobotCaseResult.timeDifference(RobotCaseResult.java:68)00:03:37.824 at hudson.plugins.robot.model.RobotCaseResult.getDuration(RobotCaseResult.java:117)00:03:37.824 at hudson.plugins.robot.model.RobotSuiteResult.tally(RobotSuiteResult.java:405)00:03:37.824 at hudson.plugins.robot.model.RobotResult.tally(RobotResult.java:422)00:03:37.824 at hudson.plugins.robot.RobotBuildAction.setResult(RobotBuildAction.java:124)00:03:37.824 at hudson.plugins.robot.RobotBuildAction.<init>(RobotBuildAction.java:95)00:03:37.824 at hudson.plugins.robot.RobotPublisher.perform(RobotPublisher.java:299)00:03:37.824 at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:80)00:03:37.824 at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)00:03:37.824 at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:818)00:03:37.824 at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:767)00:03:37.824 at hudson.model.Build$BuildExecution.post2(Build.java:179)00:03:37.824 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:711)00:03:37.824 at hudson.model.Run.execute(Run.java:1918)00:03:37.824 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)00:03:37.824 at hudson.model.ResourceController.execute(ResourceController.java:101)00:03:37.824 at hudson.model.Executor.run(Executor.java:442)00:03:37.824 Build step 'Publish Robot Framework test results' marked build as failure*00:03:37.911* Finished: FAILURE

And the whole run is then designated as failure independently what was the result of the run.