Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by Hadrian Blackwater
, 1 year ago
via Stack Overflow by Ajay Singh
, 1 year ago
Unknown entity: com.example.hibernate.User
via Stack Overflow by shadow
, 1 year ago
Unknown entity: com.demo.domain.AuditLog
via Stack Overflow by Sayan Pal
, 1 year ago
via Stack Overflow by alireza sadeghi
, 1 year ago
Unknown entity: com.simpleProgrammer.User
org.hibernate.MappingException: Unknown entity: java.util.ArrayList	at org.hibernate.metamodel.internal.MetamodelImpl.entityPersister(	at org.hibernate.internal.SessionImpl.getEntityPersister(	at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(	at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(	at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(	at org.hibernate.internal.SessionImpl.fireSave(	at	at	at basic.Runner.main(