Datapatch fails to connect with ORA-01034: ORACLE not available (Doc ID 1635432.1)

Last updated on MAY 31, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.1 [Release 12.1]
Information in this document applies to any platform.

Symptoms

Note:  This is to address an issue during the execution of datapatch during a Post Installation (after OPatch properly installs the patch) or Post De-installation (after OPatch properly rolls back the patch).  It does not address running Post De-installation manually without an OPatch rollback running 1st.

  

Datapatch may fail while connecting to the database following error:

% datapatch -verbose
SQL Patching tool version 12.1.0.1.0 on Thu Jan 23 10:54:40 2014
Copyright (c) 2013, Oracle. All rights reserved.

Connecting to database...Database connect failed with:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
SVR4 Error: 2: No such file or directory (DBD ERROR: OCISessionBegin)

Changes

 datapatch is executed to perform post apply / rollback steps

Cause

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