diff --git a/apis/atmos/src/main/java/org/jclouds/atmos/util/AtmosUtils.java b/apis/atmos/src/main/java/org/jclouds/atmos/util/AtmosUtils.java
index ee9be698ee..af822753cf 100644
--- a/apis/atmos/src/main/java/org/jclouds/atmos/util/AtmosUtils.java
+++ b/apis/atmos/src/main/java/org/jclouds/atmos/util/AtmosUtils.java
@@ -86,7 +86,7 @@ public class AtmosUtils {
             throw new IllegalStateException(path + " still exists after deleting!");
          }
       } catch (InterruptedException e) {
-         new IllegalStateException(path + " interrupted during deletion!", e);
+         throw new IllegalStateException(path + " interrupted during deletion!", e);
       }
    }
 
diff --git a/apis/s3/src/main/java/org/jclouds/s3/blobstore/S3BlobStore.java b/apis/s3/src/main/java/org/jclouds/s3/blobstore/S3BlobStore.java
index 0baa1a34bf..e10a9b113a 100644
--- a/apis/s3/src/main/java/org/jclouds/s3/blobstore/S3BlobStore.java
+++ b/apis/s3/src/main/java/org/jclouds/s3/blobstore/S3BlobStore.java
@@ -177,7 +177,7 @@ public class S3BlobStore extends BaseBlobStore {
             throw new IllegalStateException(container + " still exists after deleting!");
          }
       } catch (InterruptedException e) {
-         new IllegalStateException(container + " interrupted during deletion!", e);
+         throw new IllegalStateException(container + " interrupted during deletion!", e);
       }
    }
 
diff --git a/blobstore/src/main/java/org/jclouds/blobstore/TransientAsyncBlobStore.java b/blobstore/src/main/java/org/jclouds/blobstore/TransientAsyncBlobStore.java
index a179998e1c..53ae0727f3 100644
--- a/blobstore/src/main/java/org/jclouds/blobstore/TransientAsyncBlobStore.java
+++ b/blobstore/src/main/java/org/jclouds/blobstore/TransientAsyncBlobStore.java
@@ -500,7 +500,7 @@ public class TransientAsyncBlobStore extends BaseAsyncBlobStore {
       checkArgument(in != null, "blob must be set");
       ConcurrentMap<String, Blob> container = getContainerToBlobs().get(containerName);
       if (container == null) {
-         new IllegalStateException("containerName not found: " + containerName);
+         return Futures.immediateFailedFuture(new IllegalStateException("containerName not found: " + containerName));
       }
 
       Blob blob = createUpdatedCopyOfBlobInContainer(containerName, in);
@@ -513,7 +513,7 @@ public class TransientAsyncBlobStore extends BaseAsyncBlobStore {
    public ListenableFuture<Blob> putBlobAndReturnOld(String containerName, Blob in) {
       ConcurrentMap<String, Blob> container = getContainerToBlobs().get(containerName);
       if (container == null) {
-         new IllegalStateException("containerName not found: " + containerName);
+         return Futures.immediateFailedFuture(new IllegalStateException("containerName not found: " + containerName));
       }
 
       Blob blob = createUpdatedCopyOfBlobInContainer(containerName, in);
diff --git a/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseAsyncBlobStore.java b/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseAsyncBlobStore.java
index f08a9caf9c..1b6d775e01 100644
--- a/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseAsyncBlobStore.java
+++ b/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseAsyncBlobStore.java
@@ -290,7 +290,7 @@ public abstract class BaseAsyncBlobStore implements AsyncBlobStore {
             throw new IllegalStateException(container + " still exists after deleting!");
          }
       } catch (InterruptedException e) {
-         new IllegalStateException(container + " interrupted during deletion!", e);
+         throw new IllegalStateException(container + " interrupted during deletion!", e);
       }
    }
 
diff --git a/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseBlobStore.java b/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseBlobStore.java
index 3a7478cce8..ae6d105abf 100644
--- a/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseBlobStore.java
+++ b/blobstore/src/main/java/org/jclouds/blobstore/internal/BaseBlobStore.java
@@ -218,7 +218,7 @@ public abstract class BaseBlobStore implements BlobStore {
             throw new IllegalStateException(container + " still exists after deleting!");
          }
       } catch (InterruptedException e) {
-         new IllegalStateException(container + " interrupted during deletion!", e);
+         throw new IllegalStateException(container + " interrupted during deletion!", e);
       }
    }