alibaba/nacos

Nacos 3.2.0 LDAP Failed to introspect Class

Open

#14911 opened on Apr 11, 2026

View on GitHub
 (13 comments) (0 reactions) (1 assignee)Java (32,948 stars) (13,279 forks)batch import
area/plugincontribution welcomehelp wantedstatus/need feedback

Description

Caused by: java.lang.IllegalStateException: Failed to introspect Class [com.alibaba.nacos.plugin.auth.impl.ldap.LdapAuthPluginConfig] from ClassLoader [org.springframework.boot.loader.launch.LaunchedClassLoader@1b2c6ec2]

Contributor guide

Tech stack
javaspring
Domain
backendcloudauthentication
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
JavaSpring BootNacosLDAP authentication
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
Examine the LdapAuthPluginConfig class under com.alibaba.nacos.plugin.auth.impl.ldap. Check for missing dependencies or class loading issues with Spring Boot. Look at the issue comments for any additional information provided by the reporter or maintainers. Consider testing with a clean Nacos 3.2.0 setup.