[Patch mechanism] NullPointerException when updating ssh cointainer (maybe openstack issue)

# karaf script afterwards.
#

#
# The following section shows the possible configuration options for the default
# karaf scripts
#
JAVA_MIN_MEM=512M # Minimum memory for the JVM
JAVA_MAX_MEM=512M # Maximum memory for the JVM
JAVA_PERM_MEM=128M # Minimum perm memory for the JVM
JAVA_MAX_PERM_MEM=256M # Maximum memory for the JVM
export JAVA_MIN_MEM
export JAVA_MAX_MEM
export JAVA_PERM_MEM
export JAVA_MAX_PERM_MEM

# export EXTRA_JAVA_OPTS # Additional JVM options
# export KARAF_HOME # Karaf home folder
# export KARAF_DATA # Karaf data folder
# export KARAF_BASE # Karaf base folder
# export KARAF_ETC  # Karaf etc folder
# export KARAF_OPTS # Additional available Karaf options
# export KARAF_REDIRECT # Enable/set the std/err redirection when using bin/startexport JAVA_PERM_MEM=256M



export JAVA_OPTS="-Xms$JAVA_MIN_MEM -Xmx$JAVA_MAX_MEM -XX:+UnlockDiagnosticVMOptions -XX:+UnsyncloadClass -Djava.security.egd=file:/dev/./urandom"

[id]   [version]  [type]  [connected]  [profiles]              [provision status]                                
root*  1.0.1      karaf   yes          fabric                  success                                           
                                       fabric-ensemble-0000-1                                                    
                                       jboss-fuse-full                                                           
ssh1   1.1        karaf   yes          default                 error - io.fabric8.patch.management.PatchException
JBossFuse:karaf@root> container-info ssh1 
Name:                          ssh1
Version:                       1.1
Connected:                     true
Type:                          karaf
Root:                          true
Ensemble Server:               false
Managed:                       true
Process ID:                    25576
Resolver:                      localip
Network Address:               172.16.116.72
Local Network Address:         172.16.116.72
Public Network Address:        
Local Hostname:                rjakubco-patch-373840e5-adcf-439a-8d86-eaa9df56c241.novalocal
Public Hostname:               
SSH Url:                       172.16.116.72:8101
JMX Url:                       service:jmx:rmi://172.16.116.72:44444/jndi/rmi://172.16.116.72:1099/karaf-ssh1
Http Url:                      http://172.16.116.72:8181
Jolokia Url:                   http://172.16.116.72:8181/jolokia
Blueprint Status:              started
Provision Status:              error - io.fabric8.patch.management.PatchException
Provision Error:               io.fabric8.patch.management.PatchException
	at io.fabric8.patch.management.impl.GitPatchManagementServiceImpl.alignTo(GitPatchManagementServiceImpl.java:2863)
	at io.fabric8.agent.DeploymentAgent$11.done(DeploymentAgent.java:695)
	at io.fabric8.agent.service.Agent$2.done(Agent.java:349)
	at io.fabric8.agent.service.Deployer.deploy(Deployer.java:966)
	at io.fabric8.agent.service.Agent.provision(Agent.java:363)
	at io.fabric8.agent.service.Agent.provision(Agent.java:196)
	at io.fabric8.agent.DeploymentAgent.doUpdate(DeploymentAgent.java:722)
	at io.fabric8.agent.DeploymentAgent$4.run(DeploymentAgent.java:283)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache$Table.index(UnpackedObjectCache.java:146)
	at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache$Table.contains(UnpackedObjectCache.java:109)
	at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache.isUnpacked(UnpackedObjectCache.java:64)
	at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openObject(ObjectDirectory.java:370)
	at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:145)
	at org.eclipse.jgit.lib.ObjectReader.open(ObjectReader.java:229)
	at io.fabric8.patch.management.impl.GitPatchManagementServiceImpl.handleCherryPickConflict(GitPatchManagementServiceImpl.java:1293)
	at io.fabric8.patch.management.impl.GitPatchManagementServiceImpl.trackFabricContainerBaselineRepository(GitPatchManagementServiceImpl.java:2353)
	at io.fabric8.patch.management.impl.GitPatchManagementServiceImpl.alignTo(GitPatchManagementServiceImpl.java:2838)
	... 12 more