Using the latest version of both the JClouds plugin and Jenkins, I get the following exception when trying to push assets to an Amazon S3 bucket:

`ERROR: Publisher jenkins.plugins.jclouds.blobstore.BlobStorePublisher aborted due to exception java.lang.IllegalArgumentException: contentLength must be set, streaming not supported`

Full trace below:

```
Started by user aendrew
Building in workspace /var/lib/jenkins/jobs/projectname/workspace
Fetching changes from the remote Git repository
Fetching upstream changes from https://github.com/aendrew/something.git
using .gitcredentials to set credentials
Checking out Revision 3508b73795599970ed4629c37fcd045c06cf3c87 (origin/master)
Publish artifacts to JClouds Clouds Storage Using JClouds blobStoreProfile: Static S3
Publish artifacts to JClouds Clouds Storage container=my-bucket-name, path=2014/projectname/public, file=favicon.ico
ERROR: Publisher jenkins.plugins.jclouds.blobstore.BlobStorePublisher aborted due to exception
java.lang.IllegalArgumentException: contentLength must be set, streaming not supported
at shaded.com.google.common.base.Preconditions.checkArgument(Preconditions.java:93)
at org.jclouds.s3.binders.BindS3ObjectMetadataToRequest.bindToRequest(BindS3ObjectMetadataToRequest.java:52)
at org.jclouds.rest.internal.RestAnnotationProcessor.decorateRequest(RestAnnotationProcessor.java:631)
at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:330)
at org.jclouds.rest.internal.RestAnnotationProcessor.apply(RestAnnotationProcessor.java:133)
at org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.toCommand(InvokeSyncToAsyncHttpMethod.java:238)
at org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.invoke(InvokeSyncToAsyncHttpMethod.java:123)
at org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:95)
at org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:56)
at org.jclouds.rest.internal.DelegatesToInvocationFunction.handle(DelegatesToInvocationFunction.java:156)
at org.jclouds.rest.internal.DelegatesToInvocationFunction.invoke(DelegatesToInvocationFunction.java:123)
at com.sun.proxy.$Proxy99.putObject(Unknown Source)
at org.jclouds.s3.blobstore.S3BlobStore.putBlob(S3BlobStore.java:239)
at org.jclouds.aws.s3.blobstore.AWSS3BlobStore.putBlob(AWSS3BlobStore.java:98)
at org.jclouds.s3.blobstore.S3BlobStore.putBlob(S3BlobStore.java:217)
at jenkins.plugins.jclouds.blobstore.BlobStoreProfile.upload(BlobStoreProfile.java:122)
at jenkins.plugins.jclouds.blobstore.BlobStorePublisher.perform(BlobStorePublisher.java:159)
at hudson.tasks.BuildStepMonitor$2.perform(BuildStepMonitor.java:32)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:745)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:709)
at hudson.model.Build$BuildExecution.post2(Build.java:182)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:658)
at hudson.model.Run.execute(Run.java:1731)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)
Finished: FAILURE
```