Synchronization with JIRA/Confluence fail with duplicate entry

2011-06-08 13:10:47,968 QuartzWorker-1 ERROR ServiceRunner     [atlassian.crowd.directory.DbCachingDirectoryPoller] Error occurred while refreshing the cache for directory [ 10000 ].
com.atlassian.crowd.embedded.ofbiz.db.DataAccessException: org.ofbiz.core.entity.GenericEntityException: while inserting: [GenericEntity:Membership][id,11072][membershipType,GROUP_USER][lowerParentName,dcc_users][parentId,10415][childId,10422][childName,MWong][lowerChildName,mwong][directoryId,10000][parentName,dcc_users] (SQL Exception while executing the following:INSERT INTO cwd_membership (ID, parent_id, child_id, membership_type, group_type, parent_name, lower_parent_name, child_name, lower_child_name, directory_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?) (Duplicate entry '10415-10422-GROUP_USER' for key 2))
	at com.atlassian.crowd.embedded.ofbiz.db.OfBizHelper.createValue(OfBizHelper.java:167)
	at com.atlassian.crowd.embedded.ofbiz.OfBizInternalMembershipDao.createMembership(OfBizInternalMembershipDao.java:112)
	at com.atlassian.crowd.embedded.ofbiz.OfBizInternalMembershipDao.addUserToGroup(OfBizInternalMembershipDao.java:105)
	at com.atlassian.crowd.embedded.ofbiz.OfBizDelegatingMembershipDao.addUserToGroup(OfBizDelegatingMembershipDao.java:71)
	at com.atlassian.crowd.embedded.ofbiz.OfBizDelegatingMembershipDao.addAllUsersToGroup(OfBizDelegatingMembershipDao.java:44)
	at com.atlassian.crowd.directory.CachingDirectory.addAllUsersToGroup(CachingDirectory.java:125)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectoryCache.syncUserMembershipsForGroup(DbCachingRemoteDirectoryCache.java:671)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseMembershipsForGroup(AbstractCacheRefresher.java:126)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseMemberships(AbstractCacheRefresher.java:63)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:37)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:645)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserHelperImpl.synchronise(DirectorySynchroniserHelperImpl.java:84)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:63)
	at com.atlassian.crowd.directory.DbCachingDirectoryPoller.pollChanges(DbCachingDirectoryPoller.java:50)
	at com.atlassian.crowd.manager.directory.monitor.poller.DirectoryPollerJob.execute(DirectoryPollerJob.java:34)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:195)
	at com.atlassian.multitenant.quartz.MultiTenantThreadPool$MultiTenantRunnable.run(MultiTenantThreadPool.java:72)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520)
Caused by: org.ofbiz.core.entity.GenericEntityException: while inserting: [GenericEntity:Membership][id,11072][membershipType,GROUP_USER][lowerParentName,dcc_users][parentId,10415][childId,10422][childName,MWong][lowerChildName,mwong][directoryId,10000][parentName,dcc_users] (SQL Exception while executing the following:INSERT INTO cwd_membership (ID, parent_id, child_id, membership_type, group_type, parent_name, lower_parent_name, child_name, lower_child_name, directory_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?) (Duplicate entry '10415-10422-GROUP_USER' for key 2))
	at org.ofbiz.core.entity.GenericDAO.singleInsert(GenericDAO.java:156)
	at org.ofbiz.core.entity.GenericDAO.insert(GenericDAO.java:121)
	at org.ofbiz.core.entity.GenericHelperDAO.create(GenericHelperDAO.java:63)
	at org.ofbiz.core.entity.GenericDelegator.create(GenericDelegator.java:489)
	at org.ofbiz.core.entity.GenericDelegator.create(GenericDelegator.java:469)
	at org.ofbiz.core.entity.GenericValue.create(GenericValue.java:77)
	at com.atlassian.crowd.embedded.ofbiz.db.OfBizHelper.createValue(OfBizHelper.java:162)
	... 17 more

2011-06-09 14:53:37,054 ERROR [QuartzScheduler_Worker-2] [atlassian.crowd.directory.DbCachingDirectoryPoller] pollChanges Error occurred while refreshing the cache for directory [ 7405569 ].
java.lang.IllegalStateException: Found duplicate memberships for user in directory 7405569, group dcc_users, user JBaran
	at com.atlassian.crowd.embedded.hibernate2.HibernateMembershipDao$1.doInHibernate(HibernateMembershipDao.java:150)
	at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:370)
	at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:337)
	at com.atlassian.crowd.embedded.hibernate2.HibernateMembershipDao.internalFindUserMembership(HibernateMembershipDao.java:137)
	at com.atlassian.crowd.embedded.hibernate2.HibernateMembershipDao.removeUserFromGroup(HibernateMembershipDao.java:109)
	at com.atlassian.confluence.user.crowd.CachedCrowdMembershipDao.removeUserFromGroup(CachedCrowdMembershipDao.java:93)
	at com.atlassian.crowd.directory.AbstractInternalDirectory.removeUserFromGroup(AbstractInternalDirectory.java:718)
	at com.atlassian.crowd.directory.DbCachingRemoteChangeOperations.removeUserMembershipsForGroup(DbCachingRemoteChangeOperations.java:684)
	at sun.reflect.GeneratedMethodAccessor393.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.atlassian.crowd.directory.$Proxy672.removeUserMembershipsForGroup(Unknown Source)
	at com.atlassian.crowd.directory.DirectoryCacheImplUsingChangeOperations.syncUserMembershipsForGroup(DirectoryCacheImplUsingChangeOperations.java:117)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseMembershipsForGroup(AbstractCacheRefresher.java:126)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseMemberships(AbstractCacheRefresher.java:63)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:37)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:645)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:63)
	at com.atlassian.crowd.directory.DbCachingDirectoryPoller.pollChanges(DbCachingDirectoryPoller.java:50)
	at com.atlassian.crowd.manager.directory.monitor.poller.DirectoryPollerJobBean.executeInternal(DirectoryPollerJobBean.java:29)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:199)
	at com.atlassian.confluence.schedule.quartz.ConfluenceQuartzThreadPool$1.run(ConfluenceQuartzThreadPool.java:14)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)