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https://issues.apache.org/jira/browse/NIFI-3950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171124#comment-16171124
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ASF GitHub Bot commented on NIFI-3950:
--------------------------------------
Github user jvwing commented on the issue:
https://github.com/apache/nifi/pull/2140
More migration notes:
* My 1.3.0 AWS processor worked OK without modification when used with this
PR.
* My 1.3.0 AWS controller service did not work with just the NAR file, with
the expected incompatibility error:
> AWS Credentials Provider service' validated against
'8902b809-015e-1000-46c3-e321c1d9a1b4' is invalid because SampleAWSCreds -
1.3.0 from sample - sample-aws-services-nar is not compatible with
AWSCredentialsProviderService - 1.4.0-SNAPSHOT from org.apache.nifi -
nifi-aws-nar
* However, if `nifi-aws-nar-1.3.0.nar` was included side-by-side with
`nifi-aws-nar-1.4.0.nar`, the 1.3.0 processor worked with the 1.3.0 controller
service, unchanged.
@bbende , I'm not sure the last option is what you described above. I was
expecting to add more NARs. But it seemed plausible that the monolithic nature
of nifi-aws-nar-1.3.0.nar might make it easier to dump in side-by-side?
> Separate AWS ControllerService API
> ----------------------------------
>
> Key: NIFI-3950
> URL: https://issues.apache.org/jira/browse/NIFI-3950
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: James Wing
> Priority: Minor
>
> The nifi-aws-bundle currently contains the interface for the
> AWSCredentialsProviderService as well as the service implementation, and
> dependent abstract classes and processor classes.
> This results in the following warning logged as NiFi loads:
> {quote}
> org.apache.nifi.nar.ExtensionManager Component
> org.apache.nifi.processors.aws.s3.PutS3Object is bundled with its referenced
> Controller Service APIs
> org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService.
> The service APIs should not be bundled with component implementations that
> reference it.
> {quote}
> Some [discussion of this issue and potential solutions occurred on the dev
> list|http://apache-nifi.1125220.n5.nabble.com/Duplicated-processors-when-using-nifi-processors-dependency-td17038.html].
> We also need a migration plan in addition to the new structure.
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