java.lang.ClassNotFoundException

tip

This means you're missing a class that Java needs for this program. Check if you're not missing the jsr305-1.3.7.jar from your classpath, it's the jar that contains the class javax.annotation.Nullable.

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

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    • java.lang.ClassNotFoundException: com.gargoylesoftware.htmlunit.WebClient at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.openxava.invoicing.validators.ISBNValidator.isbnExists(ISBNValidator.java:26) at org.openxava.invoicing.validators.ISBNValidator.isValid(ISBNValidator.java:21) at org.hibernate.validator.ClassValidator.getInvalidValues(ClassValidator.java:386) at org.hibernate.validator.ClassValidator.getInvalidValues(ClassValidator.java:352) at org.hibernate.validator.event.ValidateEventListener.validate(ValidateEventListener.java:139) at org.hibernate.validator.event.ValidateEventListener.onPreUpdate(ValidateEventListener.java:177) at org.hibernate.action.EntityUpdateAction.preUpdate(EntityUpdateAction.java:237) at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:88) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:168) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027) at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:304) at org.openxava.model.impl.JPAPersistenceProvider.flush(JPAPersistenceProvider.java:72) at org.openxava.model.impl.MapFacadeBean.commitTransaction(MapFacadeBean.java:74) at org.openxava.model.impl.MapFacadeBean.setValues(MapFacadeBean.java:192) at org.openxava.model.MapFacade.setValues(MapFacade.java:598) at org.openxava.actions.SaveAction.execute(SaveAction.java:39) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:374) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:291) at org.openxava.controller.ModuleManager.execute(ModuleManager.java:251)

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