java.lang.NullPointerException
	at jenkinsci.plugins.influxdb.InfluxDbPublisher.resolveTimestampForPointGenerationInNanoseconds(InfluxDbPublisher.java:363)
	at jenkinsci.plugins.influxdb.InfluxDbPublisher.perform(InfluxDbPublisher.java:315)
	at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:80)
	at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:67)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution$1$1.call(SynchronousNonBlockingStepExecution.java:51)
	at hudson.security.ACL.impersonate(ACL.java:290)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution$1.run(SynchronousNonBlockingStepExecution.java:48)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

node{
 step([
   $class: 'InfluxDbPublisher',
   selectedTarget: 'anything',
   customPrefix: null,
   customData: null,
   customDataMap: [jenkins_custom_data: ['anything': 'test']]
 ]) 
}