Invalid Exception on cron: 0 0 12 1W * ? *

[DanoOM]

The above expression (Quartz) should return the first workday of the month. (i.e. the one closest to the '1st').

Instead an exception is thrown when calling nextExecution

java.lang.IllegalArgumentException: Values must not be empty
at org.apache.commons.lang3.Validate.notEmpty(Validate.java:300)
at com.cronutils.model.time.TimeNode.(TimeNode.java:31)
at com.cronutils.model.time.ExecutionTime.generateDays(ExecutionTime.java:320)
at com.cronutils.model.time.ExecutionTime.nextClosestMatch(ExecutionTime.java:169)
at com.cronutils.model.time.ExecutionTime.nextExecution(ExecutionTime.java:123)
at com.cronutils.model.time.ExecutionTimeQuartzIntegrationTest.testCronWithFirstWorkDayOfWeek(ExecutionTimeQuartzIntegrationTest.java:326)

Test pull-request coming..

[jmrozanec]

@DanoOM Thank you for fixing this! Will soon release a version with it.

[jmrozanec]

@DanoOM New version released! Please check details here