Java (1.6) could not be located. OPatch cannot proceed!

I got ” Java (1.6) could not be located. OPatch cannot proceed! ” error in the Oracle database during Patch apply.

Java (1.6) could not be located

Details of error are as follows.

[msdbadm01]/u01/middleware $ OPatch/opatch version
Java (1.6) could not be located. OPatch cannot proceed!
OPatch returns with error code = 1
[msdbadm01]/u01/middleware $ 
[msdbadm01]/u01/middleware/OPatch $

 OPatch cannot proceed!

This errors are related with the Opatch version or opatch utility was downloaded for a wrong platform or using older version of opatch.

Installed the latest opatch.

OR

Use the JDK option like following.

opatch apply -jdk <<FULL_PATH_OF_JDK>



[msdbadm01]/u01/middleware $ 
[msdbadm01]/u01/middleware $ OPatch/opatch version
Java (1.6) could not be located. OPatch cannot proceed!
OPatch returns with error code = 1
[msdbadm01]/u01/middleware $ 
[msdbadm01]/u01/middleware/OPatch $ 


[msdbadm01]/u01/middleware/OPatch $ ./opatch lsinventory -jdk /export2/jdk/ -oh /u01/middleware/
Oracle Interim Patch Installer version 13.9.4.2.4
Copyright (c) 2021, Oracle Corporation. All rights reserved.


Oracle Home : /u01/middleware
Central Inventory : /u01/app/18c/oraInventory
from : /u01/middleware//oraInst.loc
OPatch version : 13.9.4.2.4
OUI version : 13.9.4.0.0
Log file location : /u01/middleware/cfgtoollogs/opatch/opatch2021-06-21_14-11-18PM_1.log


OPatch detects the Middleware Home as "/u01"

Lsinventory Output file location : /u01/middleware/cfgtoollogs/opatch/lsinv/lsinventory2021-06-21_14-11-18PM.txt

--------------------------------------------------------------------------------
Local Machine Information::
Hostname: knebdp01
ARU platform id: 226
ARU platform description:: Linux x86-64


There are no Interim patches installed in this Oracle Home.


--------------------------------------------------------------------------------

OPatch succeeded.
[msdbadm01]/u01/middleware/OPatch $ 
[msdbadm01]/u01/middleware/OPatch $ 
[msdbadm01]/u01/middleware/OPatch $ 
[msdbadm01]/u01/middleware/OPatch $ cd ../32757869/
[msdbadm01]/u01/middleware/32757869 $ 
[msdbadm01]/u01/middleware/32757869 $ 
[msdbadm01]/u01/middleware/32757869 $ ../OPatch/opatch apply -jdk /export2/jdk/ -oh /u01/middleware/
Oracle Interim Patch Installer version 13.9.4.2.4
Copyright (c) 2021, Oracle Corporation. All rights reserved.


Oracle Home : /u01/middleware
Central Inventory : /u01/app/18c/oraInventory
from : /u01/middleware//oraInst.loc
OPatch version : 13.9.4.2.4
OUI version : 13.9.4.0.0
Log file location : /u01/middleware/cfgtoollogs/opatch/opatch2021-06-21_14-12-00PM_1.log


OPatch detects the Middleware Home as "/u01"

Verifying environment and performing prerequisite checks...
OPatch continues with these patches: 32757869

Do you want to proceed? [y|n]
y
User Responded with: Y
All checks passed.

Please shutdown Oracle instances running out of this ORACLE_HOME on the local system.
(Oracle Home = '/u01/middleware')


Is the local system ready for patching? [y|n]
y
User Responded with: Y
Backing up files...
Applying interim patch '32757869' to OH '/u01/middleware'
ApplySession: Optional component(s) [ oracle.rcu.veridata, 12.2.1.4.0 ] , [ oracle.veridata.web.core, 12.2.1.4.0 ] , [ oracle.veridata.web.core, 12.2.1.4.0 ] , [ oracle.fmw.upgrade.veridata, 12.2.1.4.0 ] not present in the Oracle Home or a higher version is found.

Patching component oracle.veridata.agent.core, 12.2.1.4.0...

Patching component oracle.veridata.agent.core, 12.2.1.4.0...
Patch 32757869 successfully applied.
Log file location: /u01/middleware/cfgtoollogs/opatch/opatch2021-06-21_14-12-00PM_1.log

OPatch succeeded.
[msdbadm01]/u01/middleware/32757869 $ 
[msdbadm01]/u01/middleware/32757869 $ 
[msdbadm01]/u01/middleware/32757869 $ 
[msdbadm01]/u01/middleware/32757869 $ ../OPatch/opatch lsinventory -jdk /export2/jdk/ -oh /u01/middleware/
Oracle Interim Patch Installer version 13.9.4.2.4
Copyright (c) 2021, Oracle Corporation. All rights reserved.


Oracle Home : /u01/middleware
Central Inventory : /u01/app/18c/oraInventory
from : /u01/middleware//oraInst.loc
OPatch version : 13.9.4.2.4
OUI version : 13.9.4.0.0
Log file location : /u01/middleware/cfgtoollogs/opatch/opatch2021-06-21_14-13-47PM_1.log


OPatch detects the Middleware Home as "/u01"

Lsinventory Output file location : /u01/middleware/cfgtoollogs/opatch/lsinv/lsinventory2021-06-21_14-13-47PM.txt

--------------------------------------------------------------------------------
Local Machine Information::
Hostname: knebdp01
ARU platform id: 226
ARU platform description:: Linux x86-64


Interim patches (1) :

Patch 32757869 : applied on Mon Jun 21 14:12:11 EET 2021
Unique Patch ID: 24201563
Patch description: "One-off"
Created on 21 Apr 2021, 23:29:24 hrs PST8PDT
Bugs fixed:
32213540, 32322787, 32717596, 32313798, 30533210, 32531882, 32258415
32486366, 32050877, 32250963, 32249623, 32113971, 30351843, 32348306
29376272, 30608181, 30771003, 30811737, 30923601, 31126930, 31152591
31290595, 31344851, 31401520, 31442050, 31568607, 30778093, 21276396
30712451, 25418342, 30392409, 30425385, 30558507




--------------------------------------------------------------------------------

OPatch succeeded.
[msdbadm01]/u01/middleware/32757869 $

Do you want to learn Oracle Database for Beginners, then read the following articles.

https://ittutorial.org/oracle-database-19c-tutorials-for-beginners/