Thanks for pick up my question. I had s3a in the config now I removed it.
I will post a full trace soon, but want to get some questions answered to
help me understand this better.

1. Can I use the presto lib with Flink 1.5 without bundled hdp? Can I use
this?
http://www.apache.org/dyn/closer.lua/flink/flink-1.5.0/flink-1.5.0-bin-scala_2.11.tgz
2. How do I configure presto for endpoints, encryption? The S3A file system
needed core-site.yml to configure such things and S3 V4 signature. Do I
have to do it for presto?
3. If yes, how to do it? Just add s3.xxx to flink-config?
    like s3.server-side-encryption-algorithm: AES256
    s3.endpoint: 's3.amazonaws.com' other values for France regions, etc

I will post more logs when I get one. Thanks

On Tue, Jun 5, 2018 at 9:09 AM Aljoscha Krettek <aljos...@apache.org> wrote:

> Hi,
>
> what are you using as the FileSystem scheme? s3 or s3a?
>
> Also, could you also post the full stack trace, please?
>
> Best,
> Aljoscha
>
>
> On 2. Jun 2018, at 07:34, Hao Sun <ha...@zendesk.com> wrote:
>
> I am trying to figure out how to use S3 as state storage.
> The recommended way is
> https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/aws.html#shaded-hadooppresto-s3-file-systems-recommended
> <https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/aws.html#shaded-hadooppresto-s3-file-systems-recommended>
>
> Seems like I only have to do two things:
> *1. Put flink-s3-fs-presto to the lib*
> *2. Configure *
>
> s3.access-key: your-access-keys3.secret-key: your-secret-key
>
>
> But I see this exception: ClassNotFoundException:
> NativeS3FileSystem/S3AFileSystem Not Found
>
>
> https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/aws.html#provide-s3-filesystem-dependency
> <https://ci.apache.org/projects/flink/flink-docs-release-1.5/ops/deployment/aws.html#provide-s3-filesystem-dependency>
>
> Add it is suggested to add more libs.
> So I am confused here, is there a step 3 needed? Isn't the presto jar is
> all self contained?
>
> Thanks
>
>
>

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