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AccessControlException while an applet is executing

808981Oct 28 2010 — edited Oct 29 2010
Hi to all:

I am developing an applet and I show it in the main JSP page of a service place in Tomcat (Linux).
The applet needs to access to some data in a smartcard and I use another class for this purpose. This class uses javaxsmartcardio and JNA.jar

In the first access from the applet to this class, the JVM shows this error:

java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClassInPackage.sun.reflect.generics.reflectiveObjects)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPackageAccess(Unknown Source)
at sun.plugin2.applet.Applet2SecurityManager.checkPackageAccess(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at PinApplet.init(PinApplet.java:47)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Excepción: java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClassInPackage.sun.reflect.generics.reflectiveObjects)

Why occurs this error?
I think about the permissions to access to low level (hardware) functions, but the exception is thrown in the line when a method of the class that implemented the access to the smartcard is first called.
I think about the permissions to the .class file, but all the involved files have 777.

Maybe, this message should be in "Java for devices, Card and TV", but I think that the error is in the applet or in something related with the browsers.


Thanks in advance
Dani

Comments

EdStevens

orasiya wrote:

Dear Friends,

I need bash example (good & effective rman bash example) of rman backup for my production database , simple but effective that

1- it does level 0 backup of database including the control file , spfile every week on saturdays

2- it does incremental level 1 backup everyday

3- it does archivelog backup everyday

for review

----------------------------- level 0

run

{

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/FULL_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/FULL_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/FULL_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/FULL_%U';

.....

backup as backupset incremental level 0 section size 32g database tag 'RMAN/FULL_L0' plus archivelog not backed up 2 times;

#control file backup

allocate channel ch_cntl device type disk format '/ZFS/DB_PRO/disk1/cf_%U';

backup as backupset CURRENT CONTROLFILE channel ch_cntl;

#spfile backup

allocate channel ch_sp device type disk format '/ZFS/DB_PRO/disk1/sp_%U';

backup as backupset SPFILE channel ch_sp;

DELETE NOPROMPT OBSOLETE;

}

----------------------------- level 1

run

{

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/INC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/INC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/INC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/INC_%U';

.....

backup as backupset incremental level 1 section size 32g database tag 'RMAN/LEVEL_L1' plus archivelog not backed up 2 times;

DELETE NOPROMPT OBSOLETE;

}

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

-------------------- archivelog backup

run

{

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/ARC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/ARC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk1/ARC_%U';

allocate channel ch01 device type disk format '/ZFS/DB_PRO/disk2/ARC_%U';

backup archivelog all not backed up 2 times;

delete noprompt archivelog until time '(sysdate-30)';

}

--------some rman configuration setting

RMAN> show all;

RMAN configuration parameters for database with db_unique_name DB_PRO are:

CONFIGURE RETENTION POLICY TO REDUNDANCY 5;

CONFIGURE BACKUP OPTIMIZATION OFF; # default

CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default

CONFIGURE CONTROLFILE AUTOBACKUP ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/ZFS/DB_PRO/disk1/auto/%F';

CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE MAXSETSIZE TO UNLIMITED; # default

CONFIGURE ENCRYPTION FOR DATABASE OFF; # default

CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default

CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE;

CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default

CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+REC1/DB_PRO/snapcf_DB_PRO.f';

Why do you allocate different directories for the level 0 backup than for the level 1 backups? This is needless complexity.

YOu don't need separate run blocks for archivelogs and/or controlfile/spfile.  This is needless complexity

I accomplish everything you want with a single shell script.  Here's the core of it:

#!/bin/sh

ORACLE_SID=$1

inclvl=$2

logfile=$3
ORAENV_ASK=NO

source oraenv

rman target /  <<EOF >> $logfile

set echo on

delete force noprompt obsolete;

backup as compressed backupset incremental level $inclvl database tag ${ORACLE_SID}_db_bkup plus archivelog delete all input /

tag ${ORACLE_SID}_arch_bkup;

list backup;

EOF

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Locked on Nov 26 2010
Added on Oct 28 2010
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