Hi, I am trying to use Jclouds to access an openstack swift container using the application credentials. Is that supported in 2.5.0 version? Below is the code sample I used and the error message I got. I can a similar question in StackOverflow[1] as well
[1] https://stackoverflow.com/questions/62950726/apache-jclouds-can-we-use-authentication-keystone-v3-with-application-credenti Thanks Dimuthu String provider = "openstack-swift"; String key = "key"; String secret = "secret"; Properties overrides = new Properties(); overrides.put(KeystoneProperties.KEYSTONE_VERSION, "3"); overrides.put(KeystoneProperties.CREDENTIAL_TYPE, CredentialTypes.API_ACCESS_KEY_CREDENTIALS); SwiftApi swiftApi = ContextBuilder.newBuilder(provider) .endpoint("https://xxxxx:5000/v3/";) .credentials(key, secret) .overrides(overrides) .buildApi(SwiftApi.class); ContainerApi containerApi = swiftApi.getContainerApi("General"); FluentIterable<Container> containers = containerApi.list(); for (Container c : containers) { System.out.println(c.getName()); } Exception in thread "main" java.lang.IllegalStateException: Optional.get() cannot be called on an absent value at com.google.common.base.Absent.get(Absent.java:43) at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:227) at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:137) at org.jclouds.rest.internal.InvokeHttpMethod.toCommand(InvokeHttpMethod.java:189) at org.jclouds.rest.internal.InvokeHttpMethod.invoke(InvokeHttpMethod.java:85) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:74) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:45) at org.jclouds.rest.internal.DelegatesToInvocationFunction.handle(DelegatesToInvocationFunction.java:156) at org.jclouds.rest.internal.DelegatesToInvocationFunction.invoke(DelegatesToInvocationFunction.java:123) at com.sun.proxy.$Proxy61.authenticateAccessKey(Unknown Source) at org.jclouds.openstack.keystone.auth.functions.AuthenticateApiAccessKeyCredentials.authenticate(AuthenticateApiAccessKeyCredentials.java:48) at org.jclouds.openstack.keystone.auth.functions.BaseAuthenticator.apply(BaseAuthenticator.java:99) at org.jclouds.openstack.keystone.auth.functions.BaseAuthenticator.apply(BaseAuthenticator.java:40) at com.google.common.cache.CacheLoader$FunctionToCacheLoader.load(CacheLoader.java:165) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045) at com.google.common.cache.LocalCache.get(LocalCache.java:3953) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3976) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4960) at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4966) at org.jclouds.openstack.keystone.auth.config.AuthenticationModule$2.get(AuthenticationModule.java:138) at org.jclouds.openstack.keystone.auth.config.AuthenticationModule$2.get(AuthenticationModule.java:135) at org.jclouds.openstack.keystone.v3.catalog.V3ServiceCatalog.get(V3ServiceCatalog.java:50) at org.jclouds.openstack.keystone.v3.catalog.V3ServiceCatalog.get(V3ServiceCatalog.java:35) at org.jclouds.openstack.keystone.catalog.suppliers.LocationIdToURIFromServiceEndpointsForTypeAndVersion.get(LocationIdToURIFromServiceEndpointsForTypeAndVersion.java:76) at org.jclouds.openstack.keystone.catalog.suppliers.LocationIdToURIFromServiceEndpointsForTypeAndVersion.get(LocationIdToURIFromServiceEndpointsForTypeAndVersion.java:46) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:75) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:57) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045) at com.google.common.cache.LocalCache.get(LocalCache.java:3953) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3976) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4960) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.get(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:150) at org.jclouds.location.functions.RegionToEndpoint.apply(RegionToEndpoint.java:43) at org.jclouds.location.functions.RegionToEndpoint.apply(RegionToEndpoint.java:32) at org.jclouds.rest.internal.RestAnnotationProcessor.getEndpointInParametersOrNull(RestAnnotationProcessor.java:528) at org.jclouds.rest.internal.RestAnnotationProcessor.getEndpointFor(RestAnnotationProcessor.java:551) at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:207) at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:137) at org.jclouds.rest.internal.InvokeHttpMethod.toCommand(InvokeHttpMethod.java:189) at org.jclouds.rest.internal.InvokeHttpMethod.invoke(InvokeHttpMethod.java:85) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:74) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:45) at org.jclouds.reflect.FunctionalReflection$FunctionalInvocationHandler.handleInvocation(FunctionalReflection.java:117) at com.google.common.reflect.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:86) at com.sun.proxy.$Proxy67.list(Unknown Source) at jclouds.JCloudsDownload.main(JCloudsDownload.java:35)
