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Editorial Team
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Asked: 2026-05-25T20:44:30+00:00

Connecting to the LDAP server over TLS fails with the exception org.springframework.ldap.UncategorizedLdapException: Failed to

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Connecting to the LDAP server over TLS fails with the exception

org.springframework.ldap.UncategorizedLdapException: Failed to negotiate TLS session; nested exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at org.springframework.ldap.core.support.AbstractTlsDirContextAuthenticationStrategy.processContextAfterCreation(AbstractTlsDirContextAuthenticationStrategy.java:155)
at org.springframework.ldap.core.support.AbstractContextSource.getContext(AbstractContextSource.java:109)
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:259)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:571)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:556)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:411)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:431)

I have checked the appropriate certificates are present in my key store and imported missing ones as described in PKIX path building failed while making SSL connection however I am still getting the exception. Any ideas?

Thanks,

Nigel

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1 Answer

  1. Editorial Team

    The problem is with the certificates produced by LDAP servers, this has been verified and issue now resolved.

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