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How to Install JAVA JVM Component into an Existing Oracle Database


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How to Add the JVM Component to an Existing Oracle Database

Followed oracle Doc ID 1461562.1 and installed oracle JVM component in multitenant database, the script installed JVM component in CDB$ROOT container only and the component was still missing in PDB$SEED and all pluggable database. Since the script and steps mentioned in Doc ID 1461562.1 did not install the component in PDB$SEED , all future PDBs create in the container also inherited the issue and eventually JVM  component was not installed in any of the PDBs.
Scroll down to see how to install JVM component in a Multitenant Database environment using catcon.pl

How to Verify if JVM component is installed or not

select comp_name, version, status from dba_registry where comp_name like '%JAVA%' ;
COMP_NAME                                                    VERSION                        STATUS
------------------------------------------------------------ ------------------------------ ---------------
JServer JAVA Virtual Machine                                 12.1.0.2.0                     VALID

select count(*), object_type from all_objects
   where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       300 JAVA DATA
       912 JAVA RESOURCE
     27924 JAVA CLASS
         2 JAVA SOURCE

select count(obj#) from obj$ where type#=28 or type#=29 or type#=30 or namespace=32 ;
COUNT(OBJ#)
-----------
      29138
NOTE: The above query will return no rows if JVM component not installed

Installing JVM Component to an Existing Non-Multitenant Oracle Database 

sqlplus "/as sysdba"
startup mount
spool full_jvminst.log;
set echo on
alter system set "_system_trig_enabled" = false scope=memory;
alter database open;

@?/javavm/install/initjvm.sql

@?/xdk/admin/initxml.sql

@?/xdk/admin/xmlja.sql

@?/rdbms/admin/catjava.sql

@?/rdbms/admin/catexf.sql

select count(*), object_type from all_objects
where object_type like '%JAVA%' group by object_type;

shutdown immediate
set echo off
spool off
exit

NOTE: Above steps will install JVM only in CDB$ROOT container and therefore useless to follow the steps for 12c Multitenant environment.

How to Add the JVM Component to an Existing Multitenant (12c) Oracle Database

After doing some research  I come across another document (Doc ID 2366476.1) which is talking about the steps and scripts to install JVM in multitenant environment

 1> Verify if JVM is already installed 

 SQL> alter session set container=PDB$SEED ;
Session altered.
SQL> select count(*), object_type from all_objects where object_type like '%JAVA%' group by object_type;
no rows selected

 select comp_name, version, status from dba_registry where comp_name like '%JAVA%' ;
no rows selected

 select count(obj#) from obj$ where type#=28 or type#=29 or type#=30 or namespace=32 ;
COUNT(OBJ#)
no rows selected

SQL> alter session set container=PDB01;

QL> select count(*), object_type from all_objects where object_type like '%JAVA%' group by object_type;
no rows selected

select comp_name, version, status from dba_registry where comp_name like '%JAVA%' ;
no rows selected

select count(obj#) from obj$ where type#=28 or type#=29 or type#=30 or namespace=32 ;
COUNT(OBJ#)
no rows selected

2> Install JVM Component
  
SQL>alter pluggable database all open;

SQL>alter system set "_system_trig_enabled" = false scope=memory;

 SQL>host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b initjvm $ORACLE_HOME/javavm/install/initjvm.sql;

 SQL>host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b initxml $ORACLE_HOME/xdk/admin/initxml.sql;

 SQL>host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b xmlja $ORACLE_HOME/xdk/admin/xmlja.sql;

 SQL>host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b catjava $ORACLE_HOME/rdbms/admin/catjava.sql;

 SQL>shutdown immediate
SQL>set echo off
SQL>spool off

Let us See if the Step Works

SQL> host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b initjvm $ORACLE_HOME/javavm/install/initjvm.sql;catcon: ALL catcon-related output will be written to /home/oracle/initjvm_catcon_30040.lst
catcon: See /home/oracle/initjvm*.log files for output generated by scripts
catcon: See /home/oracle/initjvm_*.lst files for spool files, if any
catcon.pl: completed successfully

SQL> select count(*), object_type from all_objects
    where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       300 JAVA DATA
       912 JAVA RESOURCE
     27924 JAVA CLASS
         2 JAVA SOURCE

SQL> host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b initxml $ORACLE_HOME/xdk/admin/initxml.sql;
catcon: ALL catcon-related output will be written to /home/oracle/initxml_catcon_6175.lst
catcon: See /home/oracle/initxml*.log files for output generated by scripts
catcon: See /home/oracle/initxml_*.lst files for spool files, if any
catcon.pl: completed successfully
SQL> select count(*), object_type from all_objects
  where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       300 JAVA DATA
       912 JAVA RESOURCE
     27924 JAVA CLASS
         2 JAVA SOURCE
SQL> host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b xmlja $ORACLE_HOME/xdk/admin/xmlja.sql;
catcon: ALL catcon-related output will be written to /home/oracle/xmlja_catcon_11322.lst
catcon: See /home/oracle/xmlja*.log files for output generated by scripts
catcon: See /home/oracle/xmlja_*.lst files for spool files, if any
catcon.pl: completed successfully

SQL>select count(*), object_type from all_objects
where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       300 JAVA DATA
       912 JAVA RESOURCE
     27924 JAVA CLASS
         2 JAVA SOURCE

SQL> host $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/rdbms/admin/catcon.pl -n 1 -l /home/oracle -b catjava $ORACLE_HOME/rdbms/admin/catjava.sql;
catcon: ALL catcon-related output will be written to /home/oracle/catjava_catcon_11745.lst
catcon: See /home/oracle/catjava*.log files for output generated by scripts
catcon: See /home/oracle/catjava_*.lst files for spool files, if any
catcon.pl: completed successfully

SQL>select count(*), object_type from all_objects
where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       300 JAVA DATA
       912 JAVA RESOURCE
     27924 JAVA CLASS
         2 JAVA SOURCE

SQL>set echo off
SQL>spool off
SQL>shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

SQL> startup

SQL> show pdbs
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB01              READ WRITE NOSQL> alter session set container=PDB01;
Session altered.
SQL>select count(*), object_type from all_objects
 where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       299 JAVA DATA
       912 JAVA RESOURCE
     27877 JAVA CLASS
         2 JAVA SOURCE

SQL> alter session set container=PDB$SEED ;
Session altered.
SQL> select count(*), object_type from all_objects where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       299 JAVA DATA
       912 JAVA RESOURCE
     27877 JAVA CLASS
         2 JAVA SOURCE

SQL> alter session set container=PDB01;
Session altered.
SQL>select count(*), object_type from all_objects
  where object_type like '%JAVA%' group by object_type;
  COUNT(*) OBJECT_TYPE
---------- -----------------------
       299 JAVA DATA
       912 JAVA RESOURCE
     27877 JAVA CLASS
         2 JAVA SOURCE

SQL>exit

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