I forgot, the other Oak modules are at 1.5.7 also.  Here is the oak.txt file 
for the launchpad.


[feature name=oak]
    oak.version=1.5.7
    org.apache.jackrabbit/oak-core/${oak.version}
    org.apache.jackrabbit/oak-commons/${oak.version}
    org.apache.jackrabbit/oak-lucene/${oak.version}
    org.apache.jackrabbit/oak-blob/${oak.version}
    org.apache.jackrabbit/oak-jcr/${oak.version}
[artifacts startLevel=15 runModes=oak_tar]
    org.apache.jackrabbit/oak-segment/${oak.version}
[artifacts startLevel=15 runModes=oak_mongo]
    org.apache.sling/org.apache.sling.jcr.oak.server/1.1.0
    
jaas.classname="org.apache.jackrabbit.oak.spi.security.authentication.GuestLoginModule"
    
jaas.classname="org.apache.jackrabbit.oak.security.authentication.user.LoginModuleImpl"
    
jaas.classname="org.apache.jackrabbit.oak.security.authentication.token.TokenLoginModule"
    jaas.defaultRealmName="jackrabbit.oak"
  
org.apache.jackrabbit.oak.security.authentication.AuthenticationConfigurationImpl
    org.apache.jackrabbit.oak.authentication.configSpiName="FelixJaasProvider"
  org.apache.jackrabbit.oak.security.user.UserConfigurationImpl
  org.apache.jackrabbit.oak.security.user.RandomAuthorizableNodeName
  
org.apache.jackrabbit.oak.spi.security.user.action.DefaultAuthorizableActionProvider
    
enabledActions=["org.apache.jackrabbit.oak.spi.security.user.action.AccessControlAction"]
[configurations runModes=oak_tar]
  org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStoreService
[configurations runModes=oak_mongo]
  org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService


________________________________
From: John Logan
Sent: Thursday, October 6, 2016 2:07:17 PM
To: [email protected]
Subject: Re: Retrieving content length for file node without retrieving object 
from S3 backend?


Hi Robert,


By S3 backend, yes, I mean Oak using the S3SharedDataStore, which I believe in 
turn uses the class:


org.apache.jackrabbit.oak.blob.cloud.aws.s3.S3Backend.java


which appears to encapsulate all of the AWS SDK calls.


I am using a copy of the Sling 9 launchpad to create my instance, and have 
modified the oak_s3.txt provisioning file as follows.  Does this provide you 
with the information that you need?


[feature name=oak_s3]

[variables]
    oak.version=1.5.7

[artifacts startLevel=5]
    joda-time/joda-time/2.9.4

[artifacts startLevel=15]
    com.fasterxml.jackson.core/jackson-core/2.8.2
    com.fasterxml.jackson.core/jackson-databind/2.8.2
    com.fasterxml.jackson.core/jackson-annotations/2.8.2
    org.apache.servicemix.bundles/org.apache.servicemix.bundles.jaxp-ri/1.4.5_1
    com.amazonaws/aws-java-sdk-osgi/1.10.27
    org.apache.jackrabbit/oak-blob-cloud/${oak.version}


________________________________
From: Robert Munteanu <[email protected]>
Sent: Thursday, October 6, 2016 2:01:21 PM
To: [email protected]
Subject: Re: Retrieving content length for file node without retrieving object 
from S3 backend?

Hi Johnm

On Thu, 2016-10-06 at 18:15 +0000, John Logan wrote:
> Hi!  I have a Sling instance set up using the S3 backend and am
> making a request like this to perform a HEAD operation on a large
> file node:

What does the S3 backend mean? Oak using the S3DataStore ? It would
also help if we knew the version of Oak you're suing.

Thanks,

Robert

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