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EM 13c OMS Fails to Start emctl.log Reports "java.lang.NoClassDefFoundError: org/python/core/PyDictionary$1exposed_copy" (Doc ID 2618518.1)

Last updated on DECEMBER 10, 2019

Applies to:

Enterprise Manager Base Platform - Version and later
Information in this document applies to any platform.


13c OMS fails to start with the following error:

$emctl start oms

Oracle Enterprise Manager Cloud Control 13c Release 3
Copyright (c) 1996, 2018 Oracle Corporation. All rights reserved.
Starting Oracle Management Server...
WebTier Successfully Started
Oracle Management Server Could Not Be Started
Check EM Server log file for details: /../gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS2/logs/EMGC_OMS2.out
Oracle Management Server is Down
JVMD Engine is Down
Starting BI Publisher Server ...
BI Publisher Server Could Not Be Started. Check BIP Server log file for details.
BI Publisher Server Logs: ../gc_inst/user_projects/domains/GCDomain/servers/BIP2/logs/

 $../gc_inst/em/EMGC_OMS1/sysman/log/emctl.log file reports following errors:

2019-12-04 11:56:18,476 [Thread-3] INFO commands.BaseCommand run.605 - <OUT>Initializing WebLogic Scripting Tool (WLST) ...
2019-12-04 11:56:18,476 [Thread-3] INFO commands.BaseCommand run.605 - <OUT>
2019-12-04 11:56:18,663 [Thread-4] INFO commands.BaseCommand run.605 - <ERR>Problem invoking WLST - java.lang.NoClassDefFoundError: org/python/core/PyDictionary$1exposed_copy

Manual execution of WLST also fails with the same error:

$ java weblogic.WLST

Initializing WebLogic Scripting Tool (WLST) ...

Problem invoking WLST - java.lang.NoClassDefFoundError: org/python/core/PyDictionary$1exposed_copy


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