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EMCA Hangs With Exception in thread "main" java.lang.NullPointerException (Doc ID 1524078.1)

Last updated on FEBRUARY 06, 2020

Applies to:

Enterprise Manager for Oracle Database - Version to [Release 11.2]
Information in this document applies to any platform.


DBConsole for 11g database fails with:

<DB_HOME>>emca -config dbcontrol db -repos create

STARTED EMCA at Jan 13, 2013 3:38:25 AM
EM Configuration Assistant, Version Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.

Enter the following information:
Database SID: <DB_SID>
Exception in thread "main" java.lang.NullPointerException
  at oracle.cluster.impl.install.InstallGroupImpl.(
  at oracle.cluster.impl.install.HAInstallImpl.(
  at oracle.cluster.impl.install.InstallFactoryImpl.getHAInstall(
  at oracle.cluster.install.InstallFactory.getHAInstall(
  at oracle.cluster.deployment.ClusterwareInfo.isHAInstalled(
  at oracle.sysman.emcp.util.ClusterUtil.isHASInstalled(
  at oracle.sysman.emcp.EMConfigAssistant.getParamsWarnsList(
  at oracle.sysman.emcp.EMConfigAssistant.getDisplayAndPromptWarnsParms(
  at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(
  at oracle.sysman.emcp.EMConfigAssistant.statusMain(
  at oracle.sysman.emcp.EMConfigAssistant.main(

An attempt to configure the dbconsole with dbca reported the following error in dbca trace.log :

[AWT-EventQueue-0] [ 2013-01-16 10:16:07.786 GMT ] [InventoryUtil.getOUIInvSession:347] setting OUI READ level to ACCESSLEVEL_READ_LOCKLESS
 at oracle.sysman.assistants.util.InventoryUtil.getHomeName(
at oracle.sysman.assistants.util.OracleHome.getInventoryHomeName(


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