3763087 - "NullPointerException: while trying to store to a null object array loaded from local variable" in xMII Scheduler

The xMII Scheduler jobs fail with:

Unable to schedule job due to error: while trying to store to a null object array loaded from local variable '<variable name>'

In the defaultTraces (/usr/sap/SID/InstID/j2ee/cluster/serverX/log/) an error similar to the one below can be found:

#2.0#<timestamp>#0-400#Error#com.sap.xmii.scheduler.CronManager#
sap.com/xapps~xmii~ear#sap.com/xapps~xmii~ear#com.sap.xmii.scheduler.CronManager
scheduler status check error
[EXCEPTION]
java.lang.NullPointerException: while trying to store to a null object array loaded from local variable '<variable name>'
    at com.sap.security.core.imp.GroupFactory.getReadonlyGroups(GroupFactory.java:465)
    at com.sap.security.core.imp.GroupFactory.getReadonlyGroups(GroupFactory.java:372)
    at com.sap.security.core.imp.AbstractPrincipalSet.getUserMembersInternal(AbstractPrincipalSet.java:400)
    at com.sap.security.core.imp.AbstractPrincipalSet.getUserMembers(AbstractPrincipalSet.java:226)
    at com.sap.security.core.imp.AbstractPrincipalSet.getUserMembers(AbstractPrincipalSet.java:123)
    at com.sap.security.core.imp.RoleWrapper.getUserMembers(RoleWrapper.java:51)
    at com.sap.xmii.system.UMEManager.getAdministratorUser(UMEManager.java:1694)
    at com.sap.xmii.monitoring.MonitoringManager.getAdministratorUser(MonitoringManager.java:447)
    at com.sap.xmii.monitoring.MonitoringManager.getSchedulerNodes(MonitoringManager.java:178)
    at com.sap.xmii.scheduler.SchedulerUtils.checkNodes(SchedulerUtils.java:17)
    at com.sap.xmii.scheduler.CronManager.performCheck(CronManager.java:1386)
    at com.sap.xmii.scheduler.CronManager.checkScheduler(CronManager.java:1369)
    at com.sap.xmii.scheduler.SchedulerCheckerUnique.doImplementation(SchedulerCheckerUnique.java:13)
    at com.sap.xmii.scheduler.UniqueRun.run(UniqueRun.java:111)
    at com.sap.xmii.scheduler.SchedulerChecker.execute(SchedulerChecker.java:16)

• SAP NetWeaver Application Server for Java
• xMII

xmii mfg mii java netweaver sap application server scheduler NullPointerException groups transactions transaction , KBA , BC-JAS-SEC-UME , User Management Engine , MFG-MII , SAP Manufacturing Integration and Intelligence , Problem