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https://issues.apache.org/jira/browse/FLINK-37181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gabor Somogyi reassigned FLINK-37181:
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Assignee: Gabor Somogyi
> Failed to validate Maven wrapper SHA-256 on MacOS with mvnw
> -----------------------------------------------------------
>
> Key: FLINK-37181
> URL: https://issues.apache.org/jira/browse/FLINK-37181
> Project: Flink
> Issue Type: Bug
> Components: Build System
> Affects Versions: 2.0-preview
> Reporter: Gabor Somogyi
> Assignee: Gabor Somogyi
> Priority: Minor
>
> The maven command is failing in the following way due to a wrongly working
> MacOS tool called sha256sum:
> {code:java}
> Running `/Users/gaborsomogyi/flink/mvnw`...
> Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be
> compromised.
> Investigate or delete
> /Users/gaborsomogyi/flink/.mvn/wrapper/maven-wrapper.jar to attempt a clean
> download.
> If you updated your Maven version, you need to update the specified
> wrapperSha256Sum property.
> {code}
> The issue is that sha256sum is not working as described in the manual:
> {code:java}
> In all cases, each file listed on the command line is processed separately.
> If no files are listed on the command line, or a file name is given as -,
> input is taken from stdin instead.
> {code}
> Manual test:
> {code:java}
> $ echo '3d8f20ce6103913be8b52aef6d994e0c54705fb527324ceb9b835b338739c7a8
> /Users/gaborsomogyi/flink/.mvn/wrapper/maven-wrapper.jar' | sha256sum -c
> usage: sha256sum [-bctwz] [files ...]
> $ echo '3d8f20ce6103913be8b52aef6d994e0c54705fb527324ceb9b835b338739c7a8
> /Users/gaborsomogyi/flink/.mvn/wrapper/maven-wrapper.jar' | sha256sum -c -
> /Users/gaborsomogyi/flink/.mvn/wrapper/maven-wrapper.jar: OK
> {code}
> In short sha256sum works only when file name is given as -.
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