Symptoms
Odin Automation Premium control panel is not available.
High CPU usage can be observed on OA Premium Management Node generated by SoLoader.
# top
top - 14:49:09 up 116 days, 1:36, 1 user, load average: 0.18, 0.21, 0.47
Tasks: 444 total, 1 running, 443 sleeping, 0 stopped, 0 zombie
Cpu(s): 17.2%us, 67,3%sy, 0.0%ni, 15.7%id, 0.1%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 16331788k total, 16097388k used, 234400k free, 244140k buffers
Swap: 8388600k total, 147576k used, 8241024k free, 116637600k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20299 pemuser 20 0 790m 435m 46m S 1353.4 2.7 4450:26 SoLoader
Unknown operation error messages can be found in /var/log/pa/core.log, for example:
Nov 17 07:50:27 linmn.oa.tld : ERR [SYSTEM 1:20299:ddefbb70 SAAS ]: [ APSC] Dispatch notification error:Unknown operation 'onAdminChange'
...
Nov 17 07:50:27 linmn.oa.tld : ERR [SYSTEM 1:20299:d0cffb70 SAAS ]: [ APSC] Dispatch notification error:Unknown operation 'onAdminChange'
...
Nov 17 07:50:27 linmn.oa.tld : ERR [SYSTEM 1:20299:dabfdb70 SAAS ]: [ APSC] Dispatch notification error:Unknown operation 'onAdminChange'
Cause
The root cause of this behavior is internal software issue APS-39490: APS event subscriptions should be removed automatically when corresponding operation is removed in application. OA tries and retries to send event notifications regarding operations removed from application.
Resolution
Please contact Odin Technical Support Team to apply workaround for this issue.