rmetzger commented on pull request #12846:
URL: https://github.com/apache/flink/pull/12846#issuecomment-661054981
Answering my own question: It seems that I need to add
```
<dependencyManagement>
<dependencies>
<dependency>
<!-- This is the way we get a consistent set of
versions of the Google tools -->
<groupId>com.google.cloud</groupId>
<artifactId>libraries-bom</artifactId>
<version>8.0.0</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
```
to my own project now.
Without it, I get the following error message:
```
Caused by: java.lang.AbstractMethodError: Receiver class
com.google.api.gax.grpc.InstantiatingGrpcChannelProvider does not define or
inherit an implementation of the resolved method 'abstract
com.google.api.gax.rpc.TransportChannelProvider
withExecutor(java.util.concurrent.Executor)' of interface
com.google.api.gax.rpc.TransportChannelProvider.
at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:140)
at
com.google.cloud.pubsub.v1.stub.GrpcPublisherStub.create(GrpcPublisherStub.java:195)
at com.google.cloud.pubsub.v1.Publisher.<init>(Publisher.java:187)
at com.google.cloud.pubsub.v1.Publisher.<init>(Publisher.java:88)
at
com.google.cloud.pubsub.v1.Publisher$Builder.build(Publisher.java:798)
at
org.apache.flink.streaming.connectors.gcp.pubsub.PubSubSink.open(PubSubSink.java:130)
```
Can't we somehow define the libraries-bom as the "default" bom?
If we can't, then we should update the pubsub connector's documentation page
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