Publishing Issue

Hi 
I am getting below error while publishing the Application from ISV account to customer.
Note(It only give error if you are publishing, not if you are doing import of XML)
2014-11-30 09:17:40,666] ==>> Received command to unload from Production Server 1
[2014-11-30 09:17:40,668] ===> Error in thread http-apr-8080-exec-4 at 11/30/2014 09:17 AM
[2014-11-30 09:17:40,668] java.lang.NullPointerException
[2014-11-30 09:17:40,668] ===> Error in thread LargeJobs at 11/30/2014 09:17 AM: Creation error:
[2014-11-30 09:17:40,668] com.rb.util.remote.RemoteException: java.lang.NullPointerException
	at com.rb.util.remote.RemoteUtil.checkError(RemoteUtil.java:46)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:105)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:114)
	at com.rb.core.logics.controller.CustomerQueue$PacketUpdateJob.doJob(CustomerQueue.java:352)
	at com.rb.util.system.JobsThread.run(JobsThread.java:52)
[2014-11-30 09:27:55,450] ==>> Received command to unload from Production Server 1
[2014-11-30 09:27:55,453] ===> Error in thread http-apr-8080-exec-8 at 11/30/2014 09:27 AM
[2014-11-30 09:27:55,453] java.lang.NullPointerException
[2014-11-30 09:27:56,558] ===> Error in thread LargeJobs at 11/30/2014 09:27 AM: Creation error:
[2014-11-30 09:27:56,558] com.rb.util.remote.RemoteException: java.lang.NullPointerException
	at com.rb.util.remote.RemoteUtil.checkError(RemoteUtil.java:46)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:105)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:114)
	at com.rb.core.logics.controller.CustomerQueue$PacketUpdateJob.doJob(CustomerQueue.java:352)
	at com.rb.util.system.JobsThread.run(JobsThread.java:52)
[2014-12-01 15:40:19,368] ==>> Received command to unload from Production Server 1
[2014-12-01 15:40:19,370] ===> Error in thread LargeJobs at 12/01/2014 03:40 PM: Creation error:
[2014-12-01 15:40:19,370] com.rb.util.remote.RemoteException: java.lang.NullPointerException
	at com.rb.util.remote.RemoteUtil.checkError(RemoteUtil.java:46)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:105)
	at com.rb.util.remote.RemoteUtil.unloadCustomer(RemoteUtil.java:114)
	at com.rb.core.logics.controller.CustomerQueue$PacketUpdateJob.doJob(CustomerQueue.java:352)
	at com.rb.util.system.JobsThread.run(JobsThread.java:52)
[2014-12-01 15:40:19,373] ===> Error in thread http-apr-8080-exec-8 at 12/01/2014 03:40 PM
[2014-12-01 15:40:19,373] java.lang.NullPointerException