Error Web Aplication

Article:		Job Scheduling in Java
Subject:		Error Web Aplication
Date:		2009-01-12 11:06:41
From:		SBoffano

Unable to instantiate class load helper class: org.quartz.simpl.CascadingClassLoadHelper cannot be cast to org.quartz.spi.ClassLoadHelper 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] at org.quartz.impl.StdSchedulerFactory.instantiate(StdSchedulerFactory.java:659) at org.quartz.impl.StdSchedulerFactory.getScheduler(StdSchedulerFactory.java:1376) at com.qportal.jobs.JobManager.initScheduler(JobManager.java:57) .... .... JobManager.java:57:: this.log = LogFactory.getLog(JobManager.class); this.log.info("------- Initializing -------------------"); line 57- SchedulerFactory sf = new StdSchedulerFactory(); this.scheduler = sf.getScheduler(); Any idea how correct this ? Thanks