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EM 12c: Enterprise Manager 12c Cloud Control の画面にアクセスすると Backend WLS or EM application seems to be down が出力される (Doc ID 2086902.1)

Last updated on DECEMBER 15, 2019

適用範囲:

Enterprise Manager Base Platform - バージョン 12.1.0.1.0 以降
この文書の内容はすべてのプラットフォームに適用されます。
***Checked for relevance on 16-July-2013***
本文書利用上のご注意
  本文書は英語の文書 <Document 1367997.1> (最終メジャー更新日: 2015年11月25日) の日本語翻訳版です。
  英語の文書のメジャー更新に応じて本文書を随時更新いたします。

現象

Enterprise Manager 12c Cloud Control の画面にアクセスすると以下のメッセージが表示:

'Backend WLS or EM application seems to be down'

 

 


- emctl コマンドで確認すると OMS が Down している事が確認できます:

cd <OMS_HOME>/bin 
emctl status oms
Oracle Enterprise Manager Cloud Control 12c Release 12.1.0.1.0
Copyright (c) 1996, 2011 Oracle Corporation. All rights reserved.
WebTier is Up
Oracle Management Server is Down

 

以下のログに以下のエラーが出力されている事が確認できます:


-  .../gc_inst/em/EMGC_OMS1/sysman/log/emctl.msg:

HealthMonitor Oct 16, 2011 4:26:47 AM Job Dispatcher error: Could not connect to repository
Critical error err=3 detected in module Job Dispatcher

OMS will be restarted. A full thread dump will be generated in the log file
<gc_inst>/user_projects/domains/GCDomain/servers/EMGC_OMS1/logs/EMGC_OMS1.out
to help Oracle Support analyse the problem.
Please consult My Oracle Support Note 964469.1 for additional information.


-  .../gcinst/em/EMGC_OMS1/sysman/log/emctl.log:


2011-10-16 04:31:32,565 [main] DEBUG oms.StatusOMSCmd pingOMSCheck.332 - Attempting to connect to https://<Host name>.<Domain>:<Port>/em/faces/logon/core-uifwk-console-login
2011-10-16 04:31:33,239 [main] DEBUG oms.StatusOMSCmd pingOMSCheck.332 - Attempting to connect to https://<Host name>.<Domain>:<Port>/empbs/check
2011-10-16 04:31:33,262 [main] DEBUG oms.StatusOMSCmd processStatusOMS.239 - console page status code is 404
2011-10-16 04:31:34,341 [main] DEBUG oms.StatusOMSCmd processStatusOMS.241 - pbs page status code is 500
2011-10-16 04:31:34,342 [main] DEBUG oms.StatusOMSCmd processStatusOMS.244 - console header is null
2011-10-16 04:31:34,342 [main] DEBUG oms.StatusOMSCmd processStatusOMS.246 - pbs header is null
2011-10-16 04:31:34,342 [main] DEBUG oms.StatusOMSCmd processStatusOMS.284 - Both Console and PBS are down. Status codes are: Console - 404 and PBS - 500
2011-10-16 04:31:34,342 [main] INFO oms.StatusOMSCmd processStatusOMS.293 - Failed to connect to em login page
2011-10-16 04:31:34,348 [main] INFO oms.StatusOMSCmd processStatusOMS.294 - Encountered error while hitting page. Status codes are 404 for console and 500 for PBS
2011-10-16 04:31:34,349 [main] INFO oms.StatusOMSCmd processStatusOMS.295 - Connection exception when trying to hit OMS page. OMS is down
2011-10-16 04:31:34,376 [main] INFO wls.OMSController statusOMS.1354 - statusOMS finished with result: 8


- .../gc_inst/em/EMGC_OMS1/sysman/log/emoms.trc:

2011-10-16 04:27:11,659 [AdminMsgListener] WARN jdbc.ConnectionCache _getConnection.373 - ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory


java.sql.SQLRecoverableException: ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory


at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:457)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:397)



変更点

 

原因

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