azure repo problem

gistfile1.txt

[2014-08-07 21:58:51,633][WARN ][repositories             ] [hostname] failed to create repository [my_backup1]
org.elasticsearch.repositories.RepositoryException: [my_backup1] failed to create repository
        at org.elasticsearch.repositories.RepositoriesService.createRepositoryHolder(RepositoriesService.java:399)
        at org.elasticsearch.repositories.RepositoriesService.registerRepository(RepositoriesService.java:350)
        at org.elasticsearch.repositories.RepositoriesService.access$100(RepositoriesService.java:55)
        at org.elasticsearch.repositories.RepositoriesService$1.execute(RepositoriesService.java:95)
        at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:309)
        at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:134)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
Caused by: org.elasticsearch.common.inject.ConfigurationException: Guice configuration errors:

1) No implementation for org.elasticsearch.repositories.Repository was bound.
  while locating org.elasticsearch.repositories.Repository

1 error
        at org.elasticsearch.common.inject.InjectorImpl.getProvider(InjectorImpl.java:808)
        at org.elasticsearch.common.inject.InjectorImpl.getProvider(InjectorImpl.java:750)
        at org.elasticsearch.common.inject.InjectorImpl.getInstance(InjectorImpl.java:817)
        at org.elasticsearch.repositories.RepositoriesService.createRepositoryHolder(RepositoriesService.java:390)
        ... 8 more