ServiceUnavailableException Reported When Connecting to LDAP Using SSL

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Symptoms

When trying to connect to an LDAP Server using SSL, the following error is reported in the log file:

[console.action.directory.UpdateConnectorConfiguration] example.com:636; socket closed; nested exception is javax.naming.ServiceUnavailableException: example.com:636; socket closed
org.springframework.ldap.ServiceUnavailableException: example.com:636; socket closed; nested exception is javax.naming.ServiceUnavailableException: example.com:636; socket closed
	at org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:210)
	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.getReadOnlyContext(AbstractContextSource.java:125)
	at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:287)
	at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:237)

Cause

When using SSL to connect to LDAP, Crowd 2.0.0 and newer versions require the connector URL to use ldaps:// instead of only ldap://.

Resolution

  • In the connector URL field, ensure that the URL string starts with ldaps://

Last modified on Feb 26, 2016

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