after executing jclouds:compute-service-create , FileNotFoundException happened in karaf's log file

after executing jclouds:compute-service-create , FileNotFoundException happened in karaf's log file.

Although the following executed well,

karaf@root> jclouds:compute-service-create --api openstack-nova --endpoint http://10.167.157.86:5000/v2.0 --identity admin:admin --credential hastexo
Waiting for compute service with name: openstack-nova.

however, in karaf's log file, the following FileNotFoundException happened,

2013-05-20 14:54:02,127 | WARN | l Console Thread | PropertyShellTableFactory | ternal.PropertyShellTableFactory 57 | 108 - org.apache.jclouds.karaf.commands - 1.7.0.SNAPSHOT | Failed to load jclouds shell configuration from file.
java.io.FileNotFoundException: D:\20130125\apache-karaf-2.3.1\etc\org.jclouds.shell.cfg (指定されたファイルが見つかりません。)
at java.io.FileInputStream.open(Native Method)[:1.7.0_09]
at java.io.FileInputStream.<init>(FileInputStream.java:138)[:1.7.0_09]
at org.jclouds.karaf.commands.table.internal.PropertyShellTableFactory.load(PropertyShellTableFactory.java:48)
at org.jclouds.karaf.commands.table.internal.PropertyShellTableFactory.<init>(PropertyShellTableFactory.java:40)
at org.jclouds.karaf.commands.compute.ComputeCommandBase.<init>(ComputeCommandBase.java:68)
at org.jclouds.karaf.commands.compute.ComputeCommandWithOptions.<init>(ComputeCommandWithOptions.java:44)
at org.jclouds.karaf.commands.compute.ComputeServiceCreateCommand.<init>(ComputeServiceCreateCommand.java:40)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)[:1.7.0_09]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)[:1.7.0_09]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)[:1.7.0_09]
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)[:1.7.0_09]
at org.apache.aries.blueprint.utils.ReflectionUtils.newInstance(ReflectionUtils.java:329)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BeanRecipe.newInstance(BeanRecipe.java:962)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BeanRecipe.getInstance(BeanRecipe.java:331)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(BeanRecipe.java:806)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:787)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:106)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:245)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BlueprintRepository.createInstance(BlueprintRepository.java:230)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BlueprintRepository.create(BlueprintRepository.java:145)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.aries.blueprint.container.BlueprintContainerImpl.getComponentInstance(BlueprintContainerImpl.java:746)[7:org.apache.aries.blueprint.core:1.1.0]
at org.apache.karaf.shell.console.commands.BlueprintCommand.createNewAction(BlueprintCommand.java:94)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:32)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:474)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:400)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)[14:org.apache.karaf.shell.console:2.3.1]
at org.apache.karaf.shell.console.jline.Console.run(Console.java:174)[14:org.apache.karaf.shell.console:2.3.1]
at java.lang.Thread.run(Thread.java:722)[:1.7.0_09]

I want to know whether needing to add any file into karaf etc/ before executing jclouds:compute-service-create? Or itself is a bug.