We want to publish test result from Jenkins to JIRA cloud. I tried Zephyr for JIRA test management plugin on a JIRA server test instance, everything worked. But I got following error when posting result to JIRA cloud product instance. 

[ZapiTestResultReporter] [INFO] Examining test results...
Build result is SUCCESS
Total Test Cases : 3ERROR: Build step failed with exception
java.lang.NullPointerException
at com.thed.zephyr.jenkins.utils.rest.TestCaseUtil.executeTestsZFJC(TestCaseUtil.java:1066)
at com.thed.zephyr.jenkins.utils.rest.TestCaseUtil.processTestCaseDetails(TestCaseUtil.java:604)
at com.thed.zephyr.jenkins.reporter.ZfjReporter.perform(ZfjReporter.java:99)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:779)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:720)
at hudson.model.Build$BuildExecution.post2(Build.java:185)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:665)
at hudson.model.Run.execute(Run.java:1766)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Build step 'Publish test result to Zephyr for JIRA' marked build as failure
Warning: this build has no associated authentication, so build permissions may be lacking, and downstream projects which cannot even be seen by an anonymous user will be silently skipped
Finished: FAILURE