JIRA LoginManager API call fails with ClassNotFoundException: LdapHostnameVerificationSSLSocketFactory

... ERROR .... [common.error.jersey.ThrowableExceptionMapper] Uncaught exception thrown by REST service: null
com.atlassian.crowd.exception.runtime.OperationFailedException
	at com.atlassian.crowd.embedded.core.CrowdServiceImpl.convertOperationFailedException(CrowdServiceImpl.java:915)
	at com.atlassian.crowd.embedded.core.CrowdServiceImpl.authenticate(CrowdServiceImpl.java:80)
	at com.atlassian.crowd.embedded.core.DelegatingCrowdService.authenticate(DelegatingCrowdService.java:35)
	at com.atlassian.crowd.embedded.core.FilteredCrowdServiceImpl.authenticate(FilteredCrowdServiceImpl.java:51)
	at com.atlassian.jira.security.login.LoginManagerImpl$InternalStaticDependencies.authenticate(LoginManagerImpl.java:417)
	at com.atlassian.jira.security.login.LoginManagerImpl.authenticate(LoginManagerImpl.java:194)
	at ...
	at ...  <+3>
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)  <+13> (AbstractResourceMethodDispatchProvider.java:205) (ResourceJavaMethodDispatcher.java:75) (HttpMethodRule.java:288) (RightHandPathRule.java:147) (ResourceClassRule.java:108) (RightHandPathRule.java:147) (RootResourceClassesRule.java:84) (WebApplicationImpl.java:1469) (WebApplicationImpl.java:1400) (WebApplicationImpl.java:1349) (WebApplicationImpl.java:1339) (WebComponent.java:416) (ServletContainer.java:537)
	at com.atlassian.plugins.rest.module.RestDelegatingServletFilter$JerseyOsgiServletContainer.doFilter(RestDelegatingServletFilter.java:178)  <+1> (ServletContainer.java:795)
	at com.atlassian.plugins.rest.module.RestDelegatingServletFilter.doFilter(RestDelegatingServletFilter.java:73)  <+7> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (ServletFilterModuleContainerFilter.java:77) (ServletFilterModuleContainerFilter.java:63) (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.jira.tzdetect.IncludeResourcesFilter.doFilter(IncludeResourcesFilter.java:39)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.jira.baseurl.IncludeResourcesFilter.doFilter(IncludeResourcesFilter.java:38)  <+13> (AbstractHttpFilter.java:31) (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66) (RestServletUtilsUpdaterFilter.java:26) (RestServletUtilsUpdaterFilter.java:40) (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66) (ContextFilter.java:25) (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.mywork.client.filter.ServingRequestsFilter.doFilter(ServingRequestsFilter.java:37)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.plugins.cors.CorsFilter.doFilter(CorsFilter.java:65)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsDispatcherFilter.doFilter(PrettyUrlsDispatcherFilter.java:60)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsSiteMeshFilter.doFilter(PrettyUrlsSiteMeshFilter.java:92)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsMatcherFilter.doFilter(PrettyUrlsMatcherFilter.java:56)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.labs.botkiller.BotKillerFilter.doFilter(BotKillerFilter.java:36)  <+18> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (ServletFilterModuleContainerFilter.java:77) (ServletFilterModuleContainerFilter.java:63) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (AccessLogFilter.java:103) (AccessLogFilter.java:87) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (XsrfTokenAdditionRequestFilter.java:54) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (ChainedFilterStepRunner.java:87) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (IteratingFilterChain.java:46) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsCombinedMatchDispatcherFilter.doFilter(PrettyUrlsCombinedMatchDispatcherFilter.java:61)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.quisapps.jira.fieldsecurity.filter.FieldSecurityFilter.doFilterChainWithProfiling(FieldSecurityFilter.java:212)
	at com.quisapps.jira.fieldsecurity.filter.FieldSecurityFilter.doFilterInterval(FieldSecurityFilter.java:101)
	at com.quisapps.jira.fieldsecurity.filter.FieldSecurityFilter.doFilter(FieldSecurityFilter.java:58)  <+22> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (ServletFilterModuleContainerFilter.java:77) (ServletFilterModuleContainerFilter.java:63) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (SecurityFilter.java:234) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (TrustedApplicationsFilter.java:100) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (BaseLoginFilter.java:169) (JiraLoginFilter.java:70) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (IteratingFilterChain.java:46) (DelegatingPluginFilter.java:66) (OAuthFilter.java:61) (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.plugins.rest.module.servlet.RestSeraphFilter.doFilter(RestSeraphFilter.java:40)  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsCombinedMatchDispatcherFilter.doFilter(PrettyUrlsCombinedMatchDispatcherFilter.java:61)  <+9> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (ServletFilterModuleContainerFilter.java:77) (ServletFilterModuleContainerFilter.java:63) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (AbstractJohnsonFilter.java:71) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)  <+10> (UrlRewriteFilter.java:394) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (GzipFilter.java:80) (GzipFilter.java:51) (JiraGzipFilter.java:55) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (IteratingFilterChain.java:46) (DelegatingPluginFilter.java:66)
	at ...MyFilter3  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at ...MyFilter2  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at ...MyFilter1  <+3> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (DelegatingPluginFilter.java:66)
	at com.atlassian.prettyurls.filter.PrettyUrlsCombinedMatchDispatcherFilter.doFilter(PrettyUrlsCombinedMatchDispatcherFilter.java:61)  <+40> (DelegatingPluginFilter.java:74) (IteratingFilterChain.java:42) (ServletFilterModuleContainerFilter.java:77) (ServletFilterModuleContainerFilter.java:63) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (ChainedFilterStepRunner.java:87) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (AbstractCachingFilter.java:33) (AbstractHttpFilter.java:31) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (AbstractEncodingFilter.java:41) (AbstractHttpFilter.java:31) (PathMatchingEncodingFilter.java:45) (AbstractHttpFilter.java:31) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (JiraStartupChecklistFilter.java:78) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (MultipartBoundaryCheckFilter.java:41) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (ChainedFilterStepRunner.java:87) (JiraFirstFilter.java:57) (ApplicationFilterChain.java:243) (ApplicationFilterChain.java:210) (StandardWrapperValve.java:222) (StandardContextValve.java:123) (AuthenticatorBase.java:502) (StandardHostValve.java:171) (ErrorReportValve.java:100) (StandardEngineValve.java:118) (AccessLogValve.java:953) (CoyoteAdapter.java:408) (AbstractHttp11Processor.java:1041) (AbstractProtocol.java:603) (JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.springframework.transaction.CannotCreateTransactionException: Could not create DirContext instance for transaction; nested exception is org.springframework.ldap.CommunicationException: ...; nested exception is javax.naming.CommunicationException: ... [Root exception is java.lang.ClassNotFoundException: com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory]
	at org.springframework.transaction.compensating.support.AbstractCompensatingTransactionManagerDelegate.doBegin(AbstractCompensatingTransactionManagerDelegate.java:91)
	at org.springframework.ldap.transaction.compensating.manager.ContextSourceTransactionManager.doBegin(ContextSourceTransactionManager.java:126)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374)
	at com.atlassian.crowd.directory.SpringLDAPConnector.pageSearchResults(SpringLDAPConnector.java:343)
	at com.atlassian.crowd.directory.SpringLDAPConnector.searchEntitiesWithRequestControls(SpringLDAPConnector.java:443)
	at com.atlassian.crowd.directory.SpringLDAPConnector.searchUserObjects(SpringLDAPConnector.java:646)
	at com.atlassian.crowd.directory.SpringLDAPConnector.findUserWithAttributesByName(SpringLDAPConnector.java:595)
	at com.atlassian.crowd.directory.SpringLDAPConnector.findUserByName(SpringLDAPConnector.java:581)
	at com.atlassian.crowd.directory.SpringLDAPConnector.authenticate(SpringLDAPConnector.java:1075)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.authenticateAndUpdateInternalUser(DbCachingRemoteDirectory.java:253)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.performAuthenticationAndUpdateAttributes(DbCachingRemoteDirectory.java:189)
	at com.atlassian.crowd.directory.DbCachingRemoteDirectory.authenticate(DbCachingRemoteDirectory.java:161)
	at com.atlassian.crowd.manager.directory.DirectoryManagerGeneric.authenticateUser(DirectoryManagerGeneric.java:291)
	at com.atlassian.crowd.manager.application.ApplicationServiceGeneric.authenticateUser(ApplicationServiceGeneric.java:141)
	at com.atlassian.crowd.embedded.core.CrowdServiceImpl.authenticate(CrowdServiceImpl.java:68)
	... 203 more
Caused by: org.springframework.ldap.CommunicationException: ...; nested exception is javax.naming.CommunicationException: ... [Root exception is java.lang.ClassNotFoundException: com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory]
	at org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:100)
	at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:266)
	at org.springframework.ldap.core.support.AbstractContextSource.getContext(AbstractContextSource.java:106)
	at org.springframework.ldap.core.support.AbstractContextSource.getReadWriteContext(AbstractContextSource.java:138)
	at org.springframework.ldap.transaction.compensating.manager.ContextSourceTransactionManagerDelegate.getNewHolder(ContextSourceTransactionManagerDelegate.java:86)
	... 218 more
Caused by: javax.naming.CommunicationException: ... [Root exception is java.lang.ClassNotFoundException: com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory]
	at com.sun.jndi.ldap.Connection.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapClient.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapClient.getInstance(Unknown Source)
	at com.sun.jndi.ldap.LdapCtx.connect(Unknown Source)
	at com.sun.jndi.ldap.LdapCtx.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(Unknown Source)
	at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(Unknown Source)
	at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(Unknown Source)
	at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
	at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
	at javax.naming.InitialContext.init(Unknown Source)
	at javax.naming.ldap.InitialLdapContext.<init>(Unknown Source)
	at org.springframework.ldap.core.support.LdapContextSource.getDirContextInstance(LdapContextSource.java:43)
	at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:254)
	... 222 more
Caused by: java.lang.ClassNotFoundException: com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory
	at com.atlassian.plugins.rest.module.ChainingClassLoader.loadClass(ChainingClassLoader.java:65)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at com.sun.jndi.ldap.VersionHelper12.loadClass(Unknown Source)
	at com.sun.jndi.ldap.Connection.createSocket(Unknown Source)