2011-03-28 13:23:45,078 ERROR [QuartzScheduler_Worker-4] [atlassian.crowd.directory.DbCachingDirectoryPoller] pollChanges Error occurred while refreshing the cache for directory [ 4161537 ].
com.atlassian.crowd.exception.OperationFailedException: com.atlassian.crowd.exception.InvalidAuthenticationException: Application failed to authenticate
	at com.atlassian.crowd.directory.RemoteCrowdDirectory.searchUsers(RemoteCrowdDirectory.java:329)
	at com.atlassian.crowd.directory.ldap.cache.RemoteDirectoryCacheRefresher.findAllRemoteUsers(RemoteDirectoryCacheRefresher.java:48)
	at com.atlassian.crowd.directory.ldap.cache.RemoteDirectoryCacheRefresher.synchroniseAllUsers(RemoteDirectoryCacheRefresher.java:67)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:36)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:642)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserHelperImpl.synchronise(DirectorySynchroniserHelperImpl.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	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 $Proxy13.synchronise(Unknown Source)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:59)
	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)
Caused by: com.atlassian.crowd.exception.InvalidAuthenticationException: Application failed to authenticate
	at com.atlassian.crowd.integration.rest.service.RestExecutor$MethodExecutor.throwError(RestExecutor.java:418)
	at com.atlassian.crowd.integration.rest.service.RestExecutor$MethodExecutor.andReceive(RestExecutor.java:300)
	at com.atlassian.crowd.integration.rest.service.RestCrowdClient.searchUsers(RestCrowdClient.java:462)
	at com.atlassian.crowd.directory.RemoteCrowdDirectory.searchUsers(RemoteCrowdDirectory.java:315)
	... 23 more