Error purging referrers

I got this error when hitting 'purge referrers' on confluence.atlassian.com

System Error
A system error has occurred - our apologies!
Please create a support issue on our support system at http://support.atlassian.com with the following information:

a description of your problem and what you were doing at the time it occurred
cut & paste the error and system information found below
attach the application server log file (if possible).
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Thank you!
Cause:
exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent

Stack Trace: [hide]

exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
Referer URL: http://confluence.atlassian.com/admin/viewgeneralconfig.action

Build Information:
Uptime: 3 days, 21 minutes, 21 seconds
Version: 1.2
Build Number: 58

Server Information:
Application Server: Orion/2.0.2
Servlet Version: 2.2
Database Dialect: net.sf.hibernate.dialect.PostgreSQLDialect

Memory Information:
Total Memory: 370 MB
Free Memory: 46 MB
Used Memory: 324 MB

System Information:
System Date: Thursday, 26 Aug 2004
System Time: 22:10:07
System Favourite Colour: Jet Black
Java Version: 1.4.2_04
Java Vendor: Sun Microsystems Inc.
JVM Version: 1.0
JVM Vendor: Sun Microsystems Inc.
JVM Implementation Version: 1.4.2_04-b05
Java Runtime: Java(TM) 2 Runtime Environment, Standard Edition
Java VM: Java HotSpot(TM) Server VM
User Name: j2ee
User Timezone: America/Chicago
Operating System: Linux 2.4.21-15.0.3.ELsmp
OS Architecture: i386

Request
Information:
URL: http://atlassian01.metissian.com:10082/500page.jsp

• Scheme: http
• Server: atlassian01.metissian.com
• Port: 10082
• URI: /500page.jsp
• - Context Path:
• - Servlet Path: /500page.jsp
• - Path Info: null
• - Query String: null

Attributes:

• com.atlassian.confluence.setup.SpringSessionInViewFilter.sessionFactory : true
• javax.servlet.error.exception : org.springframework.orm.hibernate.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
• javax.servlet.error.message : exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
• os_securityfilter_already_filtered : true
• atlassian.core.util.groups.cache.key : [atlassian-developers, confluence-administrators, confluence-users, atlassian-staff]
• com.atlassian.johnson.filters.JohnsonFilter_already_filtered : true
• javax.servlet.error.request_uri : /admin/purgereferrers.action
• javax.servlet.error.status_code : 500
• os_authstatus : null
• _sitemesh_filterapplied : true
• javax.servlet.error.servlet_name : action
• webwork.valueStack : com.opensymphony.xwork.util.OgnlValueStack@157c4e4
• loginfilter.already.filtered : true
• atlassian.core.seraph.original.url : /admin/purgereferrers.action
• javax.servlet.jsp.jspException : org.springframework.orm.hibernate.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent

Parameters:

Logging:
2 log statements generated by this request:

[ERROR] Thu Aug 26 22:10:07 CDT 2004 [com.atlassian.confluence.util.XWorkTransactionInterceptor] Invoking rollback for transaction on action '/admin/purgereferrers.action (PurgeReferrersAction.execute())' due to throwable: org.springframework.orm.hibernate.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
Throwable:
org.springframework.orm.hibernate.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:212)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2206)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:240)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836)
at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856)
at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59)
at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51)
at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419)
at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2113)
at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1987)
at net.sf.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:1949)
at net.sf.hibernate.type.ManyToOneType.resolveIdentifier(ManyToOneType.java:69)
at net.sf.hibernate.type.EntityType.resolveIdentifier(EntityType.java:204)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2201)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:240)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
at net.sf.hibernate.loader.Loader.doList(Loader.java:955)
[ERROR] Thu Aug 26 22:10:07 CDT 2004 [com.opensymphony.webwork.dispatcher.ServletDispatcher] Could not execute action
Throwable:
org.springframework.orm.hibernate.HibernateSystemException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent; nested exception is net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB (set hibernate.cglib.use_reflection_optimizer=false for more info) setter of com.atlassian.confluence.pages.Page.setParent
at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:212)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2206)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:240)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:836)
at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:856)
at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:59)
at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:51)
at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:419)
at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:2113)
at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1987)
at net.sf.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:1949)
at net.sf.hibernate.type.ManyToOneType.resolveIdentifier(ManyToOneType.java:69)
at net.sf.hibernate.type.EntityType.resolveIdentifier(EntityType.java:204)
at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:2201)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:240)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
at net.sf.hibernate.loader.Loader.doList(Loader.java:955)