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https://issues.apache.org/jira/browse/VELOCITY-929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17134761#comment-17134761
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Thomas Mortagne edited comment on VELOCITY-929 at 6/13/20, 11:25 AM:
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There is no reason to make the slf4j-api dependency provided. Maven will select 
in priority your own slf4j  dependency version since Maven select the 
dependency closest to the root of the dependency tree in case of conflict.


was (Author: tmortagne):
There is no reason to make the slf4j-api dependency provided. Maven will select 
in priority your own slf4j  dependency version since Maven selec

> Improper SLF4J dependency
> -------------------------
>
>                 Key: VELOCITY-929
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-929
>             Project: Velocity
>          Issue Type: Bug
>          Components: Engine
>    Affects Versions: 2.2
>            Reporter: Mantas Gridinas
>            Priority: Minor
>
> Currently, velocity-engine-core defines a transitive dependency of 
> "slf4j-api" as a compile time dependency, rather than a non-transitive 
> compile time dependency as seen by snippet below
> {code:xml}
>     <dependency>
>       <groupId>org.slf4j</groupId>
>       <artifactId>slf4j-api</artifactId>
>       <version>1.7.30</version>
>       <scope>compile</scope>
>     </dependency>
> {code}
> Instead, the dependency's scope should be provided. This prevents classpath 
> races and leaves it up to the user/developer to pull in the necessary slf4j 
> API dependency for their project.
> Currently I use the following workaround to exclude the slf4j dependency
> {code:xml}
>         <dependency>
>             <groupId>org.apache.velocity</groupId>
>             <artifactId>velocity-engine-core</artifactId>
>             <version>2.2</version>
>             <exclusions>
>                 <exclusion>
>                     <groupId>org.slf4j</groupId>
>                     <artifactId>slf4j-api</artifactId>
>                 </exclusion>
>             </exclusions>
>         </dependency>
> {code}



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