at com.obs.services.internal.RestStorageService.getIHeaders(RestStorageService.java:1051)
at com.obs.services.internal.RestStorageService.getRestHeaderPrefix(RestStorageService.java:730)
at com.obs.services.internal.RestStorageService.handleThrowable(RestStorageService.java:208)
at com.obs.services.internal.RestStorageService.performRequest(RestStorageService.java:407)
at com.obs.services.internal.RestStorageService.performRequest(RestStorageService.java:388)
at com.obs.services.internal.service.ObsObjectBaseService.putObjectImpl(ObsObjectBaseService.java:106)
at com.obs.services.AbstractObjectClient.access$800(AbstractObjectClient.java:53)
at com.obs.services.AbstractObjectClient$5.action(AbstractObjectClient.java:284)
at com.obs.services.AbstractObjectClient$5.action(AbstractObjectClient.java:278)
at com.obs.services.AbstractClient.doActionWithResult(AbstractClient.java:392)
at com.obs.services.AbstractObjectClient.putObject(AbstractObjectClient.java:277)
java.lang.NullPointerException