LDAP failed to connect due to Unexpected SSLSocketFactory implementation
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
JIRA fails to connect to LDAP server, failing
The following appears in the atlassian-jira.log:
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QuartzWorker-0 ERROR ServiceRunner [atlassian.crowd.directory.DbCachingDirectoryPoller] Error occurred while refreshing the cache for directory [ 10000 ].
com.atlassian.crowd.exception.OperationFailedException: org.springframework.ldap.CommunicationException: xxx.xxx.xxx.xxx:636; nested exception is javax.naming.CommunicationException: xxx.xxx.xxx.xxx:636 [Root exception is java.lang.RuntimeException: Unexpected SSLSocketFactory implementation: com.ibm.jsse2.SSLSocketFactoryImpl]
at com.atlassian.crowd.directory.SpringLDAPConnector.searchEntitiesWithRequestControls(SpringLDAPConnector.java:416)
at com.atlassian.crowd.directory.SpringLDAPConnector.searchEntities(SpringLDAPConnector.java:384)
at com.atlassian.crowd.directory.SpringLDAPConnector.searchUserObjects(SpringLDAPConnector.java:574)
at com.atlassian.crowd.directory.SpringLDAPConnector.searchUsers(SpringLDAPConnector.java:944)
at com.atlassian.crowd.directory.ldap.cache.RemoteDirectoryCacheRefresher.findAllRemoteUsers(RemoteDirectoryCacheRefresher.java:41)
at com.atlassian.crowd.directory.ldap.cache.RemoteDirectoryCacheRefresher.synchroniseAllUsers(RemoteDirectoryCacheRefresher.java:60)
at com.atlassian.crowd.directory.ldap.cache.AbstractCacheRefresher.synchroniseAll(AbstractCacheRefresher.java:40)
at com.atlassian.crowd.directory.DbCachingRemoteDirectory.synchroniseCache(DbCachingRemoteDirectory.java:619)
at com.atlassian.crowd.manager.directory.DirectorySynchroniserImpl.synchronise(DirectorySynchroniserImpl.java:63)
at com.atlassian.crowd.directory.DbCachingDirectoryPoller.pollChanges(DbCachingDirectoryPoller.java:50)
at com.atlassian.crowd.manager.directory.monitor.poller.DirectoryPollerJob.execute(DirectoryPollerJob.java:34)
at org.quartz.core.JobRunShell.run(JobRunShell.java:195)
at com.atlassian.multitenant.quartz.MultiTenantThreadPool$MultiTenantRunnable.run(MultiTenantThreadPool.java:72)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520)
Caused by: org.springframework.ldap.CommunicationException: xxx.xxx.xxx.xxx:636; nested exception is javax.naming.CommunicationException: xxx.xxx.xxx.xxx:636 [Root exception is java.lang.RuntimeException: Unexpected SSLSocketFactory implementation: com.ibm.jsse2.SSLSocketFactoryImpl]
at org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:98)
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.TransactionAwareContextSourceProxy.getReadWriteContext(TransactionAwareContextSourceProxy.java:94)
at org.springframework.ldap.transaction.compensating.manager.TransactionAwareContextSourceProxy.getReadOnlyContext(TransactionAwareContextSourceProxy.java:65)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:287)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:237)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:624)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:535)
at com.atlassian.crowd.directory.ldap.LdapTemplateWithClassLoaderWrapper$1.call(LdapTemplateWithClassLoaderWrapper.java:56)
at com.atlassian.crowd.directory.ldap.LdapTemplateWithClassLoaderWrapper$1.call(LdapTemplateWithClassLoaderWrapper.java:53)
at com.atlassian.crowd.directory.ldap.LdapTemplateWithClassLoaderWrapper.invokeWithContextClassLoader(LdapTemplateWithClassLoaderWrapper.java:43)
at com.atlassian.crowd.directory.ldap.LdapTemplateWithClassLoaderWrapper.search(LdapTemplateWithClassLoaderWrapper.java:53)
at com.atlassian.crowd.directory.SpringLDAPConnector.searchEntitiesWithRequestControls(SpringLDAPConnector.java:412)
... 13 more
Caused by: javax.naming.CommunicationException: xxx.xxx.xxx.xxx:636 [Root exception is java.lang.RuntimeException: Unexpected SSLSocketFactory implementation: com.ibm.jsse2.SSLSocketFactoryImpl]
at com.sun.jndi.ldap.Connection.<init>(Connection.java:211)
at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:128)
at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1592)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2690)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:308)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:187)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:205)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:148)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:78)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:250)
at javax.naming.InitialContext.initializeDefaultInitCtx(InitialContext.java:318)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:348)
at javax.naming.InitialContext.internalInit(InitialContext.java:286)
at javax.naming.InitialContext.init(InitialContext.java:308)
at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:104)
at org.springframework.ldap.core.support.LdapContextSource.getDirContextInstance(LdapContextSource.java:43)
at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:254)
... 26 more
Caused by: java.lang.RuntimeException: Unexpected SSLSocketFactory implementation: com.ibm.jsse2.SSLSocketFactoryImpl
at com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory.<init>(LdapHostnameVerificationSSLSocketFactory.java:39)
at com.atlassian.crowd.directory.ssl.LdapHostnameVerificationSSLSocketFactory.getDefault(LdapHostnameVerificationSSLSocketFactory.java:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at com.sun.jndi.ldap.Connection.createSocket(Connection.java:284)
at com.sun.jndi.ldap.Connection.<init>(Connection.java:198)
... 42 more
Cause
JIRA is using a JAVA platform different than the supported ones
Resolution
Shutdown JIRA
Install JAVA as described on Installing Java
Restart the application
Updated on April 8, 2025
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