[Spacewalk-list] Can't delete system from spacewalk UI

[Željko Dokman]

Regards,
I have a problem deleting systems from spacewalk UI, when I try to delete a system a gat this message in UI...

 "System profile xxxxxxxxxxx could not be deleted.
 Internal Server Error
The server experienced a problem which prevented your request from being filled out. It may not be possible to execute this action at this time.
Please help us correct this problem by contacting us with details of how you received this message. "

Checked logs /var/log/tomcat5/catalina.out  and  /var/log/cobbler/cobbler.log
Log entries are attached ..

A think the problem appeared after upgrade to spacewalk 1.6, I upgraded 2 weeks ago everything seemed to work correctly, on v1.5 a was able to delete systems from UI .

Task Engine Status in UI - Admin tub:
	Cobbler Sync:	FAILED
	Kickstart Sync:  	FAILED

Based on log entries thread to fix the problem by doing...

run:    cobbler-setup  ## didn't  help

run:    cobbler sync
output........

	task started: 2012-01-30_092822_sync
	task started (id=Sync, time=Mon Jan 30 09:28:22 2012)
	running pre-sync triggers
	cleaning trees
	removing: /tftpboot/pxelinux.cfg/default
	removing: /tftpboot/grub/efidefault
	removing: /tftpboot/grub/images
	removing: /tftpboot/s390x/profile_list
	copying bootloaders
	copying distros
	copying images
	generating PXE configuration files
	cleaning link caches
	generating PXE menu structure
	running post-sync triggers
	running python triggers from /var/lib/cobbler/triggers/sync/post/*
	running python trigger cobbler.modules.sync_post_restart_services
	running shell triggers from /var/lib/cobbler/triggers/sync/post/*
	running python triggers from /var/lib/cobbler/triggers/change/*
	running python trigger cobbler.modules.scm_track
	running shell triggers from /var/lib/cobbler/triggers/change/*
	*** TASK COMPLETE ***

run:    cobbler check 
output...... 

	1 : some network boot-loaders are missing from /var/lib/cobbler/loaders, you may run 'cobbler get-loaders' to download them, or, if you only want to handle x86/x86_64 	netbooting, you may ensure that you have installed a *recent* version of the syslinux package installed and can ignore this message entirely.  Files in this directory, 	should you want to support all architectures, should include pxelinux.0, menu.c32, elilo.efi, and yaboot. The 'cobbler get-loaders' command is the easiest way to resolve 	these requirements.  ###not using netbooting
	2 : change 'disable' to 'no' in /etc/xinetd.d/tftp  ### corrected didn't help 
	3 : change 'disable' to 'no' in /etc/xinetd.d/rsync  ### corrected didn't help
	4 : since iptables may be running, ensure 69, 80, and 25151 are unblocked  ### flushing iptables didn't help 
	5 : debmirror package is not installed, it will be required to manage debian deployments and repositories ##no debian systems
	6 : The default password used by the sample templates for newly installed machines (default_password_crypted in /etc/cobbler/settings) is still set to 'cobbler' and 	should be changed, try: "openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'" to generate new one  ##don't think this is the problem
	7 : fencing tools were not found, and are required to use the (optional) power management features. install cman or fence-agents to use them  ###no need for  power 	management features

Please help, ran out of ideas

System info:
Spacewalk server 1.6 and Oracle XE
On Centos 5.7 x84

Best Regards
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