ORA-29532: Java call terminated by uncaught Java exception: java.lang.Error: Updater commit failure

BEGIN

DBMS_JAVA.grant_permission('SCOTT', 'java.io.FilePermission', '<<ALL FILES>>', 'read ,write, execute, delete');

END;

/

BEGIN

Dbms_Java.Grant_Permission('SCOTT', 'SYS:java.lang.RuntimePermission', 'writeFileDescriptor', '');

END;

/

Error:

BEGIN

*

ERROR at line 1:

ORA-29532: Java call terminated by uncaught Java exception: java.lang.Error:

Updater commit failure

ORA-06512: at "SYS.DBMS_JAVA", line 793

ORA-06512: at line 2

Sometimes an application running in the Oracle JVM will fail with a java permissions error having the following format:
java.sql.SQLException: ORA-29532:Java call terminated by uncaught Java exception:

1^st  methodology to solve this issue:
Brought down JVM application and then retry your application.

2^nd methodology to solve this issue:

1) Format a call "dbms_java.grant_permission" procedure as described below.
2) Logon as SYS or SYSTEM
3) Issue the TWO commands shown below
4) Logoff as SYS or SYSTEM
5) Retry your application

---------------
For Example
---------------
1) Logon as SYS or SYSTEM
2) Issue the following commands :

BEGIN

DBMS_JAVA.grant_permission('SCOTT', 'java.io.FilePermission', '<<ALL FILES>>', 'read ,write, execute, delete');

END;

/

commit;
/
Note: Commit is mandatory !!

3) Logoff as SYS or SYSTEM

4) Retry your application