LDAP connection test keeps failing

I am using LDAP plugin to connect to the LDAP server (https://plugins.jenkins.io/ldap/).
When I want to test the connection, Iam I keep getting the fallowing message
“A problem occurred while processing the request.
Logging ID=06b1d7ed-5632-4ccc-9513-8868b1c05745”. Normally I should see an overview but this is not the case.

In Jenkins log I see the following:

Error while serving http://xxxxxxx:8080/descriptorByName/hudson.security.LDAPSecurityRealm/validate java.lang.NullPointerException at hudson.security.LDAPSecurityRealm$DescriptorImpl.validate(LDAPSecurityRealm.java:1589) at hudson.security.LDAPSecurityRealm$DescriptorImpl.validate(LDAPSecurityRealm.java:1589ity) $DescriptorImpl.doValidate(LDAPSecurityRealm.java:1544) at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:710) at org.kohsuke.stapler.Function$MethodFunction.invoke:(Function.javaction.java) ) Caused: java.lang.reflect.InvocationTargetException at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:401) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:409) at org .kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:78) at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26) at org.kohsuke.bindlerAnd.Function. :207) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java :140) at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:558) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:59) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.tryInvoke(Stapler .java:766) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898).

Anyone any idea what I can do?
LDAP plugin version: 2.10
Jenkins version: 2.354
Mailer Plugin Version: 414.vcc4c33714601

Were you able to resolve the issue? I’m receiving the exact same error and I’m not sure why

No not yet. I’ve tried literally everything.

ldap-plugin/LDAPSecurityRealm.java at e55d225ba2ef6c99ba9b3336fa4be9d8880be2c9 · jenkinsci/ldap-plugin · GitHub loops though something related to configs.

Did you report a bug? Did you upgrade the plugin? Did you restart jenkins? Did you look at th the listing bug list?

@h0usn1 just so you know, I’m still receiving an error when I use the “test ldap settings” button, but I tried to login with an LDAP user and it works,

Looks like the test button is not working, but the plugin works fine regards of that,


It is likely a bug introduced recently and there is a bug report [JENKINS-68748] NullPointerException when using "Test LDAP settings" button - Jenkins Jira

I am also getting same error after update version 2.365…were able to resolve the issue

how to resolve it

The error is misleading…the LDAP plugin is yust working fine

It’s really the case.

What can be cause of this error

looking at LDAP i would say its either [JENKINS-68748] NullPointerException when using "Test LDAP settings" button (regression in 2.342) - Jenkins Jira (as saper said) or [JENKINS-69330] Test LDAP Settings doesn't yield a user visible response - Jenkins Jira

Either way, its up the maintainers to fix. I think its the test button thats broken, I think you can just hit save and move on, but i also don’t use ldap plugin, so i can’t say for certain.