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https://issues.apache.org/jira/browse/BEAM-6118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16788288#comment-16788288
 ] 

Chamikara Jayalath commented on BEAM-6118:
------------------------------------------

Beam version 2.7.0 and later uses gRPC 1.13.1 but not sure if that will resolve 
the conflict here.

I'm bit confused by following comment.

"If I add {{io.grpc:grpc-core:jar:1.6.1}} as an explicit dependency to my POM 
file, it doesn't 'pin' the dependency as it still gets pulled in as a 
sub-dependency by 
{{com.google.cloud.dataflow:google-cloud-dataflow-java-sdk-all:jar:2.5.0}}."

[https://stackoverflow.com/questions/53424272/maven-conflict-in-java-app-with-google-cloud-core-grpc-dependency/53558702#53558702]

 

Shouldn't explicitly defining the dependency in pom.xml override it for all 
transitive dependencies ? 

 

> Maven dependency conflicts between google-cloud-pubsub and Apache Beam 
> packages
> -------------------------------------------------------------------------------
>
>                 Key: BEAM-6118
>                 URL: https://issues.apache.org/jira/browse/BEAM-6118
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp
>    Affects Versions: 2.5.0
>            Reporter: Chris
>            Priority: Major
>              Labels: maven, triaged
>
> (I'm using BDD terminology to phrase the issue)
>  
> AS A DEVELOPER I want to be able to use the following Maven dependencies (or 
> newer versions) in the same Java project inside Eclipse SO THAT I can 
> subscribe to a Google pub/sub independently from the mechanism supplied by 
> Apache Beam, and efficiently update a dataset linked to my Apache Beam 
> dataflow.
> I want to update my linked dataset by accepting push data that reflects 
> changes to its data, instead of having to poll for new data each time I 
> process an item from an Apache Beam pipeline that subscribes to a different 
> Google pub/sub dataset.
>  
> {code:java}
> <dependency>
>     <groupId>com.google.cloud.dataflow</groupId>
>     <artifactId>google-cloud-dataflow-java-sdk-all</artifactId>  
> <version>2.5.0</version>
> </dependency>
> <dependency>
>   <groupId>com.google.cloud</groupId>
>   <artifactId>google-cloud-pubsub</artifactId>
>   <version>1.53.0</version>
> </dependency>
> {code}
>  
> ACCEPTANCE CRITERIA
> No dependency conflict related to io.grpc:grpc-core:jar is caused when I run
> {code:java}
> mvn clean install{code}
> against the project.
> Please see here (I documented itas a GitHub issue against the 
> google-cloud-pubsub library, however it's primarily a Beam Maven dependency 
> issue):
>  
> [https://github.com/googleapis/google-cloud-java/issues/4095]



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