[RANGER-1800] Usersync fails to update users and groups during incremental sync with nested groups and group first search enabled

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0, 0.7.2
• Component/s: Ranger, usersync
• Assignee: Sailaja Polavarapu
• Reporter: Sailaja Polavarapu
• Created: 22/Sep/17 22:33
• Updated: 26/Sep/17 21:20
• Resolved: 26/Sep/17 21:20

Description

Ranger usersync fails during nested group evaluation when Incremental sync is enabled with group first search.
Following is the exception while evaluating nested groups:
22 Sep 2017 18:28:55 ERROR UserGroupSync UnixUserSyncThread - Failed to sync user/group :
java.lang.NullPointerException
at org.apache.ranger.ldapusersync.process.LdapDeltaUserGroupBuilder.goUpGroupHierarchy(LdapDeltaUserGroupBuilder.java:844)
at org.apache.ranger.ldapusersync.process.LdapDeltaUserGroupBuilder.updateSink(LdapDeltaUserGroupBuilder.java:335)
at org.apache.ranger.usergroupsync.UserGroupSync.syncUserGroup(UserGroupSync.java:114)
at org.apache.ranger.usergroupsync.UserGroupSync.run(UserGroupSync.java:87)
at java.lang.Thread.run(Thread.java:748)