EM 13c, 12c: Agent process restarts with Error: WARN - Bouncing the agent due to zombies [zombieCnt=3]
(Doc ID 2066385.1)
Last updated on NOVEMBER 16, 2022
Applies to:
Enterprise Manager for Oracle Database - Version 12.1.0.4.0 and laterEnterprise Manager Base Platform - Version 13.3.0.0.0 to 13.3.0.0.0 [Release 13c]
Information in this document applies to any platform.
Symptoms
Environment:
EM 12.1.0.4 system
Database/Listener/ASM targets
The EM 12c Cloud Control Agent frequently restarts. The following errors are logged in the .../agent_inst/sysman/log/ directory:
<agent instance>/sysman/log/gcagent_errors.log
2015-08-27 12:53:03,533 [103:GC.Executor.2 (rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status)] ERROR - rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status
oracle.sysman.gcagent.task.TaskZombieException: task declared as a zombie
<agent instance>/sysman/log/emagent.nohup
Oct 3, 2015 4:58:28 PM oracle.sysman.diag.EMDiagImpl captureDiagData.478
SEVERE: Critical error: Bouncing the agent due to too many zombie tasks
java.lang.Throwable: Bouncing the agent due to too many zombie tasks
<agent instance>/sysman/log/gcagent.log
2015-10-02 12:17:03,543 [250:1C090640:GC.SysExecutor.5 (ZombieDetector)] WARN - Declaring longop rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:COLLECTION_TASK:Fri Oct 02 11:13:12 CDT 2015 as a zombie
2015-10-02 12:17:03,544 [250:1C090640] INFO - Suspended rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:cdbjob_status until 2015-10-03 12:17:03.543
2015-10-02 12:17:03,544 [250:1C090640] INFO - Suspending rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:cdbjob_status for finite suspension until Sat Oct 03 12:17:03 CDT 2015 due to zombie task
2015-08-11 05:54:56,564 [321:A52CCA7E] WARN - Bouncing the agent due to zombies [zombieCnt=3]
2015-08-27 12:53:03,533 [103:GC.Executor.2 (rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status)] ERROR - rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status
oracle.sysman.gcagent.task.TaskZombieException: task declared as a zombie
<agent instance>/sysman/log/emagent.nohup
Oct 3, 2015 4:58:28 PM oracle.sysman.diag.EMDiagImpl captureDiagData.478
SEVERE: Critical error: Bouncing the agent due to too many zombie tasks
java.lang.Throwable: Bouncing the agent due to too many zombie tasks
<agent instance>/sysman/log/gcagent.log
2015-10-02 12:17:03,543 [250:1C090640:GC.SysExecutor.5 (ZombieDetector)] WARN - Declaring longop rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:COLLECTION_TASK:Fri Oct 02 11:13:12 CDT 2015 as a zombie
2015-10-02 12:17:03,544 [250:1C090640] INFO - Suspended rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:cdbjob_status until 2015-10-03 12:17:03.543
2015-10-02 12:17:03,544 [250:1C090640] INFO - Suspending rac_database:<SID>.<DOMAIN_NAME>:cdbjob_status:cdbjob_status for finite suspension until Sat Oct 03 12:17:03 CDT 2015 due to zombie task
2015-08-11 05:54:56,564 [321:A52CCA7E] WARN - Bouncing the agent due to zombies [zombieCnt=3]
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |