2017-03-28 09:24:23,857 scheduler_Worker-9 INFO [atlassian.crowd.directory.DbCachingRemoteDirectory] INCREMENTAL synchronisation for directory [ 393217 ] starting
2017-03-28 09:24:23,857 scheduler_Worker-9 INFO [atlassian.crowd.directory.DbCachingRemoteDirectory] Attempting INCREMENTAL synchronisation for directory [ 393217 ]
2017-03-28 09:24:23,857 scheduler_Worker-9 INFO [directory.ldap.cache.UsnChangedCacheRefresher] After restarting, full sync of directory [393217] is necessary before incremental sync is possible.
2017-03-28 09:24:23,857 scheduler_Worker-9 INFO [atlassian.crowd.directory.DbCachingRemoteDirectory] Incremental synchronisation for directory [ 393217 ] was not completed, falling back to a full synchronisation
2017-03-28 09:24:23,857 scheduler_Worker-9 INFO [atlassian.crowd.directory.DbCachingRemoteDirectory] INCREMENTAL synchronisation for directory [ 393217 ] was not successful, attempting FULL
2017-03-28 09:24:34,029 CrowdUsnChangedCacheRefresher:thread-1 INFO [crowd.directory.ldap.SpringLdapTemplateWrapper] Timed call for search with handler on dc=atlassian,dc=com took 10154ms
2017-03-28 09:24:34,030 scheduler_Worker-9 INFO [atlassian.crowd.directory.DbCachingRemoteDirectory] failed synchronisation complete for directory [ 393217 ] in [ 10173ms ]
2017-03-28 09:24:34,062 scheduler_Worker-9 ERROR [atlassian.crowd.directory.DbCachingDirectoryPoller] Error occurred while refreshing the cache for directory [ 393217 ].
com.atlassian.crowd.exception.OperationFailedException: java.util.concurrent.ExecutionException: com.atlassian.crowd.exception.OperationFailedException: org.springframework.ldap.CommunicationException: atlassian.com:389; nested exception is javax.naming.CommunicationException: atlassian.com:389 [Root exception is java.net.SocketTimeoutException: connect timed out]
	at com.atlassian.crowd.directory.ldap.cache.UsnChangedCacheRefresher.synchroniseAllUsers(UsnChangedCacheRefresher.java:201)
	at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:56)
	at com.atlassian.crowd.directory.ldap.cache.UsnChangedCacheRefresher.synchroniseAll(UsnChangedCacheRefresher.java:163)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:1176)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:74)
	at sun.reflect.GeneratedMethodAccessor438.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	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)
	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.sun.proxy.$Proxy31.synchronise(Unknown Source)
	at com.atlassian.crowd.directory.DbCachingDirectoryPoller.pollChanges(DbCachingDirectoryPoller.java:50)
	at com.atlassian.crowd.manager.directory.monitor.poller.DirectoryPollerJobRunner.runJob(DirectoryPollerJobRunner.java:96)
	at com.atlassian.scheduler.core.JobLauncher.runJob(JobLauncher.java:135)
	at com.atlassian.scheduler.core.JobLauncher.launchAndBuildResponse(JobLauncher.java:101)
	at com.atlassian.scheduler.core.JobLauncher.launch(JobLauncher.java:80)
	at com.atlassian.scheduler.quartz1.Quartz1Job.execute(Quartz1Job.java:32)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:223)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
Caused by: java.util.concurrent.ExecutionException: com.atlassian.crowd.exception.OperationFailedException: org.springframework.ldap.CommunicationException: atlassian.com:389; nested exception is javax.naming.CommunicationException: atlassian.com:389 [Root exception is java.net.SocketTimeoutException: connect timed out]
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at com.atlassian.crowd.directory.ldap.cache.UsnChangedCacheRefresher.synchroniseAllUsers(UsnChangedCacheRefresher.java:185)
	... 24 more
Caused by: java.net.SocketTimeoutException: connect timed out
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)