org.quartz.SchedulerConfigException: Unable to instantiate class load helper class: org.quartz.simpl.CascadingClassLoadHelper cannot be cast to org.quartz.spi.ClassLoadHelper [See nested exception: java.lang.ClassCastException: org.quartz.simpl.CascadingClassLoadHelper cannot be cast to org.quartz.spi.ClassLoadHelper]

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    Root Cause Analysis

    1. java.lang.ClassCastException

      org.quartz.simpl.CascadingClassLoadHelper cannot be cast to org.quartz.spi.ClassLoadHelper

      at org.quartz.impl.StdSchedulerFactory.instantiate()
    2. quartz
      StdSchedulerFactory.instantiate
      1. org.quartz.impl.StdSchedulerFactory.instantiate(StdSchedulerFactory.java:703)
      1 frame