ARC cannot startup error message indicates a problem with Encryption Keys

• Article Type: General
• Product: Aleph
• Product Version: 2

Description:
ARC cannot be started up, the error message that is received upon trying to start it, indicates a problem with the machine specific Encryption Keys.
Following is an example:

crn@XXXXX(arc2_1)~/arc2_1/arce$arc_startup
Checking LDAP server...
slapd-ram9 already started
Restarting apache...
httpd not running, trying to start
Checking Oracle ...
OK
Starting Cognos...
Using /exlibris/crn/arc2_1/product/local/java/bin/java
log4j:WARN No appenders could be found for logger (Audit.RTUsage.cms.CAM.CRP.jcam).
log4j:WARN Please initialize the log4j system properly.
13/07/2011,10:07:41,Err,CAM-CRP-1057 Unable to generate the machine specific symmetric key.
log4j:ERROR Failed to read IPF startup parameters from ICCLConfiguration; error CAM-CRP-1057 Unable to generate the machine specific symmetric key.
13/07/2011,10:07:41,Err,CAM-CRP-1054 No configuration was loaded., com.cognos.crconfig.data.crypto.CAMFactory.createConfiguringSession(CAMFactory.java:49)
13/07/2011,10:07:41,Err,com.cognos.crconfig.data.DataManagerException: CAM-CRP-1054 No configuration was loaded., com.cognos.crconfig.data.DataManager.generateCryptoKeys(DataManager.java:2730)

Resolution:
Login to ARC machine as user crn.
Change directory to cognos configuration, for example:
cd $arc_dev/c8/configuration
Restore the last backup of the cogstartup.xml configuration file, for example:
mv cogstartup_20110711230236.xml cogstartup.xml
Remove all the Encryption Keys, for exmaple:
rm -rf signkeypair/ encryptkeypair/ certs/ csk/ caSerial

restart ARC by:
$arce_root/arc_startup