Hi Igor,

I created the PR: https://github.com/apache/iceberg/pull/2745
please take a look if you can

Thanks,
Steven

On Tue, Jun 8, 2021 at 8:24 PM Steven Wu <stevenz...@gmail.com> wrote:

> Igor,
>
> I think your diagnosis is spot on.
>
> Regarding the workaround, I guess there are two ways
> - pipeline.auto-generate-uids=true, which is probably not what you are
> looking for
> - avoid FlinkSink builder and write your own glue code
>
> As for the fix, we can probably add a `uid` method to the FlinkSink
> builder. FlinkSink always sets the uid for three operators as
> "uid-writer", "uid-committer", "uid-sink". if "uid '' is not provided, it
> is default to the table name.
>
> Thanks,
> Steven
>
>
>
>
>
> On Tue, Jun 8, 2021 at 10:02 AM Igor Basov <mrbaz...@gmail.com> wrote:
>
>> Hello,
>> I'm using Flink 1.11 with Iceberg 0.11.
>> I use `pipeline.auto-generate-uids: false` in my Flink configuration to
>> enforce assigning UIDs to operators, so that the job could be safely
>> stopped and the state restored from the latest checkpoint.
>> But when I use Iceberg FlinkSink I get error:
>>
>> Caused by: org.apache.flink.client.program.ProgramInvocationException: The 
>> main method caused an error: Auto generated UIDs have been disabled but no 
>> UID or hash has been assigned to operator IcebergStreamWriter
>>
>> I believe the problem is in this piece of code inside FlinkSink.java
>> where both transforms don't have UIDs assigned.
>>
>>       DataStream<Void> returnStream = rowDataInput
>>           .transform(ICEBERG_STREAM_WRITER_NAME, 
>> TypeInformation.of(WriteResult.class), streamWriter)
>>           .setParallelism(writeParallelism)
>>           .transform(ICEBERG_FILES_COMMITTER_NAME, Types.VOID, 
>> filesCommitter)
>>           .setParallelism(1)
>>           .setMaxParallelism(1);
>>
>> If it's the case, is there a workaround for this issue?
>>
>

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