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query did not return a unique result: 2
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query did not return a unique result: 2
org.hibernate.NonUniqueResultException: query did not return a unique result: 2 at org.hibernate.internal.AbstractQueryImpl.uniqueElement(AbstractQueryImpl.java:918) at org.hibernate.internal.CriteriaImpl.uniqueResult(CriteriaImpl.java:396) at com.atlassian.crowd.dao.user.UserDAOHibernate.findByExternalId(UserDAOHibernate.java:213) at com.atlassian.crowd.dao.user.UserDAOHibernate.findByExternalId(UserDAOHibernate.java:55) at com.atlassian.crowd.directory.AbstractInternalDirectory.findUserByExternalId(AbstractInternalDirectory.java:182) at com.atlassian.crowd.directory.DbCachingRemoteChangeOperations.userByExternalIdOrNull(DbCachingRemoteChangeOperations.java:293) at com.atlassian.crowd.directory.DbCachingRemoteChangeOperations.updateUsers(DbCachingRemoteChangeOperations.java:233) at sun.reflect.GeneratedMethodAccessor464.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)