Oracle | RMJVM

Oracle RMJVM Version 26ai

General Information

Library Note

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Oracle Database 26ai will be available on generic Linux platforms in January and soon on AIX and Windows

Purpose Encapsulates undo logic for removing Java system objects during upgrade/downgrade and for full removal of Java to back out of the results of a failed initjvm.

The package contains private objects not exposed via the package specification.

Warning: The RUN and STRIP objects in this package are destructive. Executing them make render a database unrecoverable. The examples here are for education purposes only and not intended to encourage anyone to believe they are safe to execute.

AUTHID CURRENT_USER

Dependencies

ACCESS$	IDL_UB1$	OBJ$
DBMS_ASSERT	INITJVMAUX	OBJAUTH$
DBMS_OUTPUT	JAVA$JVM$STATUS	SYN$
DBMS_SQL	JAVA$RMJVM$AUX	USER$
DEPENDENCY$	JAVA$RMJVM$AUX2	V$INSTANCE
ERROR$	JAVAOBJ$	X$KGLOB
IDL_CHAR$	JAVASNM$

Documented No

First Available Not Known

Security Model Owned by SYS with no privileges granted

Source {ORACLE_HOME}/rdbms/admin/initjvma.sql

Subprograms

CHECK_FOR_RMJVM	RUN	STRIP
HEXTOCHAR

CHECK_FOR_RMJVM

Undocumented rmjvm.check_for_rmjvm;

exec rmjvm.check_for_rmjvm;

      

      PL/SQL procedure successfully completed.

HEXTOCHAR

Converts HEX to its corresponding characters rmjvm.hextochar(x IN VARCHAR2) RETURN VARCHAR2;

SELECT rmjvm.hextochar('4D4C4B');

      

      RMJVM.HEXTOCHAR('4D4C4B')

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

      MLK

RUN

Removes java related objects from the data dictionary rmjvm.run(remove_all IN BOOLEAN);

Dangerous: Do not execute

STRIP

Strips bytecode optimizations from non-system java classes, and sets the status of these classes to invalid (unresolved). rmjvm.strip;

Dangerous: Do not execute