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https://issues.apache.org/jira/browse/BEAM-2523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067099#comment-16067099
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Kenneth Knowles edited comment on BEAM-2523 at 6/28/17 7:28 PM:
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I have truncated the dependency tree to show the conflicts. You can see in the
conflict messages that 3.2.0 is being included. But we shouldn't depend on
maven to resolve dependency conflicts. We have users that (quite reasonably)
insist their build is free from that.
was (Author: kenn):
I have truncated the dependency tree to show the conflicts.
> GCP IO exposes protobuf on its API surface, causing user pain
> -------------------------------------------------------------
>
> Key: BEAM-2523
> URL: https://issues.apache.org/jira/browse/BEAM-2523
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Fix For: 2.1.0
>
>
> Putting the SDK, DataflowRunner, and GCP IO on the same classpath, results in
> (at least) three versions of protobuf getting pulled in. These should be made
> to converge. We should consider using maven enforcer, which I think can check
> this.
> {code}
> [INFO] com.example:foo:jar:0.1
> [INFO] +- org.apache.beam:beam-sdks-java-core:jar:2.0.0:compile
> [INFO] +-
> org.apache.beam:beam-sdks-java-io-google-cloud-platform:jar:2.0.0:compile
> [INFO] | +-
> org.apache.beam:beam-sdks-java-extensions-protobuf:jar:2.0.0:compile
> [INFO] | | \- (com.google.protobuf:protobuf-java:jar:3.2.0:compile -
> omitted for duplicate)
> [INFO] | +- com.google.api.grpc:grpc-google-pubsub-v1:jar:0.1.0:compile
> [INFO] | | +- (com.google.protobuf:protobuf-java:jar:3.0.0:compile -
> omitted for conflict with 3.2.0)
> [INFO] | | \- com.google.api.grpc:grpc-google-iam-v1:jar:0.1.0:compile
> [INFO] | | \- (com.google.protobuf:protobuf-java:jar:3.0.0:compile -
> omitted for conflict with 3.2.0)
> [INFO] | +-
> com.google.cloud.datastore:datastore-v1-proto-client:jar:1.4.0:compile
> [INFO] | | +-
> (com.google.cloud.datastore:datastore-v1-protos:jar:1.3.0:compile - omitted
> for duplicate)
> [INFO] | | +- (com.google.http-client:google-http-client:jar:1.20.0:compile
> - omitted for conflict with 1.22.0)
> [INFO] | | +-
> com.google.http-client:google-http-client-protobuf:jar:1.20.0:compile
> [INFO] | | | +-
> (com.google.http-client:google-http-client:jar:1.20.0:compile - omitted for
> conflict with 1.22.0)
> [INFO] | | | \- (com.google.protobuf:protobuf-java:jar:2.4.1:compile -
> omitted for conflict with 3.2.0)
> [INFO] | +- com.google.cloud.datastore:datastore-v1-protos:jar:1.3.0:compile
> [INFO] | | +- (com.google.protobuf:protobuf-java:jar:3.0.0:compile -
> omitted for conflict with 3.2.0)
> [INFO] | +- com.google.cloud.bigtable:bigtable-protos:jar:0.9.6.2:compile
> [INFO] | | +- (com.google.code.findbugs:jsr305:jar:3.0.1:compile - omitted
> for duplicate)
> [INFO] | | +- (com.google.protobuf:protobuf-java:jar:3.2.0:compile -
> omitted for duplicate)
> {code}
> Incidentally, the dependency plugin stopped supporting the verbose tree, so
> we can't even visually inspect this except by downgrading.
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