2020-06-01 09:18:43,767 scheduler_Worker-3 ERROR [atlassian.crowd.directory.DbCachingDirectoryPoller] Error occurred while refreshing the cache for directory [ 2523137 ].
com.atlassian.crowd.exception.OperationFailedException: Error looking up attributes for highestCommittedUSN
	at com.atlassian.crowd.directory.MicrosoftActiveDirectory.fetchHighestCommittedUSN(MicrosoftActiveDirectory.java:807)
	at com.atlassian.crowd.directory.ldap.cache.UsnChangedCacheRefresher.synchroniseAll(UsnChangedCacheRefresher.java:166)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:1122)
	at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:76)
	at sun.reflect.GeneratedMethodAccessor312.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)
	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.sun.proxy.$Proxy37.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:93)
	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: org.springframework.ldap.CommunicationException: xx.xx.xx.xxx:636; nested exception is javax.naming.CommunicationException: xx.xx.xx.xxx:636 [Root exception is javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No subject alternative names matching IP address xx.xx.xx.xxx found]
	at org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:108)
	at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:356)
	at org.springframework.ldap.core.support.AbstractContextSource.doGetContext(AbstractContextSource.java:140)
	at org.springframework.ldap.core.support.AbstractContextSource.getReadWriteContext(AbstractContextSource.java:175)
	at org.springframework.ldap.transaction.compensating.manager.TransactionAwareContextSourceProxy.getReadWriteContext(TransactionAwareContextSourceProxy.java:88)
	at org.springframework.ldap.transaction.compensating.manager.TransactionAwareContextSourceProxy.getReadOnlyContext(TransactionAwareContextSourceProxy.java:61)
	at org.springframework.ldap.core.LdapTemplate.executeReadOnly(LdapTemplate.java:802)
	at org.springframework.ldap.core.LdapTemplate.lookup(LdapTemplate.java:832)
	at com.atlassian.crowd.directory.ldap.SpringLdapTemplateWrapper$3.timedCall(SpringLdapTemplateWrapper.java:179)
	at com.atlassian.crowd.directory.ldap.SpringLdapTemplateWrapper$TimedCallable.call(SpringLdapTemplateWrapper.java:124)
	at com.atlassian.crowd.directory.ldap.SpringLdapTemplateWrapper.invokeWithContextClassLoader(SpringLdapTemplateWrapper.java:87)
	at com.atlassian.crowd.directory.ldap.SpringLdapTemplateWrapper.lookup(SpringLdapTemplateWrapper.java:176)
	at com.atlassian.crowd.directory.MicrosoftActiveDirectory.fetchHighestCommittedUSN(MicrosoftActiveDirectory.java:783)
	... 23 more