classloading issue with hst workflow regarding hst-commons nodeutils

03.12.2013 12:14:20 ERROR [org.quartz.core.JobRunShell.run():225] Job XXXXXXX_YYYYYYYY_GROUP.xxxxxxxYyyyyyyyImportJob-20131203-120903 threw an unhandled Exception:
java.lang.NoClassDefFoundError: org/hippoecm/hst/util/NodeUtils
at org.hippoecm.hst.content.beans.manager.workflow.WorkflowPersistenceManagerImpl.getCanonicalNode(WorkflowPersistenceManagerImpl.java:638)
at org.hippoecm.hst.content.beans.manager.workflow.WorkflowPersistenceManagerImpl.update(WorkflowPersistenceManagerImpl.java:362)
at nl.xxxxxxx.scheduler.yyyyyyyy.importer.YyyyyyyyProcessor.createOrUpdateYyyyyy(YyyyyyyyProcessor.java:407)
at nl.xxxxxxx.scheduler.yyyyyyyy.importer.YyyyyyyyProcessor.processYyyyyyyy(YyyyyyyyProcessor.java:910)
at nl.xxxxxxx.scheduler.yyyyyyyy.importer.YyyyyyyyImporter.run(YyyyyyyyImporter.java:118)
at nl.xxxxxxx.scheduler.yyyyyyyy.job.YyyyyyyyJob.execute(YyyyyyyyJob.java:43)
at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
Caused by: java.lang.ClassNotFoundException: org.hippoecm.hst.util.NodeUtils
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
... 8 more