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https://issues.apache.org/jira/browse/NIFI-8669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17359472#comment-17359472
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Joey Frazee commented on NIFI-8669:
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[~aprakash] What JVMs does this happen on? AFAICT,
java.util.UUID#nameUUIDFromBytes gets used where this matters which suggests
it's not a NiFi problem.
> Invalid UUIDs generated
> -----------------------
>
> Key: NIFI-8669
> URL: https://issues.apache.org/jira/browse/NIFI-8669
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.13.2
> Reporter: Arun Prakash
> Priority: Major
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The UUIDs generated (type 3) are not fully compliant to the RFC.
> For instance:
> {code:java}
> 9adabada-3b4b-32eb-fd7e-c41191eefa2a
> 642ff728-2fb3-3e6b-f48f-0cfb94b772e2 {code}
> {{generated by NiFi as _id_ for components are based on type 3. For type 3,
> 4, and 5, the *UUID variant* has to be one of (8, 9, a, b)}}
> *Example A:*
> 9adabada-3b4b-*3*2eb-*f*d7e-c41191eefa2a
> This is a *uuid v3*, and variant character is *{{f}}*, and *{{f}}* is not a
> valid uuid variant (just 8, 9, a and b are valid). *NOT VALID*
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