I believe RGW Hammer and below use V2 and Jewel and above use V4.
Thanks
On Thu, Aug 18, 2016 at 7:32 AM, jan hugo prins <jprins@xxxxxxxxxxxx> wrote:
did some more searching and according to some info I found RGW should
support V4 signatures.
http://tracker.ceph.com/issues/10333
http://tracker.ceph.com/issues/11858
The fact that everyone still modifies s3cmd to use Version 2 Signatures
suggests to me that we have a bug in this code.
If I use V4 signatures most of my requests work fine, but some requests
fail on a signature error.
Thanks,
Jan Hugo Prins
On 08/18/2016 12:46 PM, jan hugo prins wrote:
> Hi everyone.
>
> To connect to my S3 gateways using s3cmd I had to set the option
> signature_v2 in my s3cfg to true.
> If I didn't do that I would get Signature mismatch errors and this seems
> to be because Amazon uses Signature version 4 while the S3 gateway of
> Ceph only supports Signature Version 2.
>
> Now I see the following error in a Jave project we are building that
> should talk to S3.
>
> Aug 18, 2016 12:12:38 PM org.apache.catalina.core.StandardWrapperValve
> invoke
> SEVERE: Servlet.service() for servlet [Default] in context with path
> [/VehicleData] threw exception
> com.betterbe.vd.web.servlet.LsExceptionWrapper: xxxxxxxxxxxxxxxxxxxxxxx
> caused: com.amazonaws.services.s3.model.AmazonS3Exception: null
> (Service: Amazon S3; Status Code: 400; Error Code:
> XAmzContentSHA256Mismatch; Request ID:
> tx000000000000000002cc6-0057b58a15-25bba-default), S3 Extended Request
> ID: 25bba-default-default
> at
> com.betterbe.vd.web.dataset.requesthandler. DatasetRequestHandler.handle( DatasetRequestHandler.java: 262)
> at com.betterbe.vd.web.servlet.Servlet.handler(Servlet.java: 141)
> at com.betterbe.vd.web.servlet.Servlet.doPost(Servlet.java: 110)
> at javax.servlet.http.HttpServlet.service( HttpServlet.java:646)
>
> To me this looks a bit the same, though I'm not a Java developer.
> Am I correct, and if so, can I tell the Java S3 client to use Version 2
> signatures?
>
>
--
Met vriendelijke groet / Best regards,
Jan Hugo Prins
Infra and Isilon storage consultant
Better.be B.V.
Auke Vleerstraat 140 E | 7547 AN Enschede | KvK 08097527
T +31 (0) 53 48 00 694 | M +31 (0)6 26 358 951
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