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https://issues.apache.org/jira/browse/JCLOUDS-1646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17926055#comment-17926055
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Andrew Gaul commented on JCLOUDS-1646:
--------------------------------------

Which kinds of blobs have this behavior?  The code checks {{gcsObject == null}} 
above so I don't understand the cause.

This appears to be a regression from 2.6.0 since I added this in 
6b5185536586cd89c9645c37052d60c4f6c60a73.  Can you downgrade to 2.6.0 as a 
workaround?

> GCP BlobStore fails to get blob
> -------------------------------
>
>                 Key: JCLOUDS-1646
>                 URL: https://issues.apache.org/jira/browse/JCLOUDS-1646
>             Project: jclouds
>          Issue Type: Bug
>          Components: jclouds-blobstore
>    Affects Versions: 2.7.0
>            Reporter: Aliaksandr
>            Priority: Major
>              Labels: google-cloud-storage
>
> *Steps to reproduce*
> * Configure blob store using `google-cloud-storage`
> * Try to get a blob which doesn't exist
> * The error occurred something like below
> {noformat}
> java.lang.NullPointerException: Cannot invoke "java.lang.Long.longValue()" 
> because the return value of 
> "org.jclouds.io.MutableContentMetadata.getContentLength()" is null
>       at 
> org.jclouds.googlecloudstorage.blobstore.GoogleCloudStorageBlobStore.getBlob(GoogleCloudStorageBlobStore.java:254)
>       at 
> org.jclouds.blobstore.internal.BaseBlobStore.getBlob(BaseBlobStore.java:217)
>       at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(native)
>       at 
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
>       at 
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:568)
>       at 
> com.google.inject.internal.DelegatingInvocationHandler.invoke(DelegatingInvocationHandler.java:50)
>       at jdk.proxy3.$Proxy129.getBlob(unknown)
> {noformat}
> *Root cause*
> The attribute `Content-Length` might be null in 
> `org.jclouds.io.ContentMetadata#getContentLength` but the code does a cast to 
> primitive type(see 
> `org.jclouds.googlecloudstorage.blobstore.GoogleCloudStorageBlobStore#getBlob`):
> {noformat}
> Payload payload = api.getObjectApi().download(container, 
> Strings2.urlEncode(name), httpOptions).getPayload();
> long contentLength = payload.getContentMetadata().getContentLength();
> {noformat}



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