[RANGER-4836] Ranger Usersync failing due to java.lang.NoClassDefFoundError

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 3.0.0, 2.5.0
• Component/s: usersync
• Assignee: Abhishek Kumar
• Reporter: Abhishek Kumar
• Created: 28/Jun/24 21:55
• Updated: 30/Jun/24 05:12
• Resolved: 30/Jun/24 05:12

Description

It appears that introduction of jackson fasterxml libraries cause the following error to be seen in usersync logs:

java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/type/TypeReference
        at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.buildGroupList(PolicyMgrUserGroupBuilder.java:463)
        at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.buildUserGroupInfo(PolicyMgrUserGroupBuilder.java:426)
        at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.init(PolicyMgrUserGroupBuilder.java:240)
        at org.apache.ranger.usergroupsync.UserGroupSync.run(UserGroupSync.java:50)
        at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.core.type.TypeReference
        at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        ... 5 common frames omitted
28 Jun 2024 19:10:28 DEBUG o.a.r.u.UserGroupSync [UnixUserSyncThread] - Sleeping for [60000] milliSeconds 

Issue Links

• is broken by: RANGER-4806 With java 17 the audit spool exception is seen if solr is not reachable.