AppSync: LDAP Configuration Fails org.jboss.resteasy.client.exception.ResteasyInternalServerErrorException: HTTP 500 Internal Server Error

Summary: After filling all the parameters, and clicking the Apply button, an error message is received after 4-5 minutes when configuring a new LDAP in AppSync. The CPU and RAM remain high. Error message received when LDAP configuration fails: org.jboss.resteasy.client.exception.ResteasyInternalServerErrorException: HTTP 500 Internal Server Error ...

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Symptoms

From AppSync server log: 
<Date-time> INFO [default task-8] [com.emc.archway.services.iamservice.KeycloakService] [AppSync server] [] b98e9897-2f9d-4e0f-8f03-f2c3cbc8a190->>> LDAP group sync status is 19999 imported groups, 0 updated groups, 0 removed groups using mapper AppSync LDAP Group Mapper
Then we see the Error: 
<Date-time> ERROR [default task-2] [org.jboss.as.ejb3.invocation] [AppSync server] [] WFLYEJB0034: Jakarta Enterprise Beans Invocation failed on component KeycloakService for method public abstract com.emc.archway.securityInterface.LDAP com.emc.archway.securityInterface.IAMService.getLDAPAuthority(com.emc.archway.context.ExecutionContext,java.util.UUID) throws com.emc.archway.errorMessages.ResourceNotFound: javax.ejb.EJBException: org.jboss.resteasy.client.exception.ResteasyInternalServerErrorException: HTTP 500 Internal Server Error

Cause

The limit is 20,000 groups and it is showing 19,999 groups.

Resolution

Modify the search path for AppSync groups so that AppSync does not look into other groups, then retry adding the settings. The issue is resolved by reducing the user and group search path.

Affected Products

AppSync

Products

Data Backup & Protection Software
Article Properties
Article Number: 000228907
Article Type: Solution
Last Modified: 10 Sep 2025
Version:  2
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