How to perform a dependency upgrade?

To perform a dependency upgrade we want to ensure that the PR is not introducing any new linkage errors. We do this by combining successful Jenkins test runs with analysis performed using a linkage checker. This allows us to gain confidence that we are minimizing the number of linkage issues that will arise for users. To perform a dependency upgrade:

  1. Find all Gradle subprojects that are impacted by the dependency change.
  2. For each Gradle subproject:
    1. Perform the before and after linkage checker analysis.
    2. Provide the results as part of your PR.
  3. For each Gradle subproject:
    1. Find and run relevant Jenkins test suites.

How to find all Gradle subprojects that are impacted by the dependency change

  1. Execute the command below will print out a dependency report in a text file for each project:

    ./gradlew dependencyReport

  2. Grep for a specific maven artifact identifier such as guava in all the dependency reports with:

    grep -l "guava" `find ./ -name dependencies.txt`


Linkage checker analysis

This step relies on modifying your local maven repository, typically found in ~/.m2/.


  1. Use the shell script to do this on your behalf (note that it will run the manual command below on your current workspace and also on HEAD):

    /bin/bash sdks/java/build-tools/beam-linkage-check.sh origin/master <your branch name> "artifactId1,artifactId2,..."

    If you omit the artifactIds, it uses beam-sdks-java-core beam-sdks-java-io-google-cloud-platform beam-runners-google-cloud-dataflow-java beam-sdks-java-io-hadoop-format; these artifacts often suffer dependency conflicts.

  2. Copy and paste the output to the PR. If it is large, you may want to use a GitHub gist. For example PRs (1, 2, 3, 4, and 5).

  3. Note that you can manually run the linkage checker on your current workspace by invoking:

    ./gradlew -Ppublishing -PjavaLinkageArtifactIds=artifactId1,artifactId2,... :checkJavaLinkage

  4. Check the example output is:

    Class org.brotli.dec.BrotliInputStream is not found;
  referenced by 1 class file
    org.apache.beam.repackaged.core.org.apache.commons.compress.compressors.brotli.BrotliCompressorInputStream (beam-sdks-java-core-2.20.0-SNAPSHOT.jar)
Class com.github.luben.zstd.ZstdInputStream is not found;
  referenced by 1 class file
    org.apache.beam.repackaged.core.org.apache.commons.compress.compressors.zstandard.ZstdCompressorInputStream (beam-sdks-java-core-2.20.0-SNAPSHOT.jar)
Class com.github.luben.zstd.ZstdOutputStream is not found;
  referenced by 1 class file
    org.apache.beam.repackaged.core.org.apache.commons.compress.compressors.zstandard.ZstdCompressorOutputStream (beam-sdks-java-core-2.20.0-SNAPSHOT.jar)
Class org.apache.beam.vendor.bytebuddy.v1_9_3.net.bytebuddy.jar.asm.commons.ModuleHashesAttribute is not found;
  referenced by 1 class file
    org.apache.beam.vendor.bytebuddy.v1_9_3.net.bytebuddy.jar.asm.commons.ClassRemapper (beam-vendor-bytebuddy-1_9_3-0.1.jar)

  5. Delete any installed Apache Beam SNAPSHOT artifacts:

    rm -rf ~/.m2/repository/org/apache/beam

Run relevant Jenkins test suites

You can find all Jenkins job configurations within https://github.com/apache/beam/tree/master/.test-infra/jenkins and request that the reviewer run the relevant test suites by providing them with a list of all the relevant trigger phrases. You can perform this request directly on your PR or on the dev mailing list, for example.


Google Cloud-related dependency upgrades

To provide the consistent dependencies to Beam users, follow the following steps when upgrading Google Cloud-related dependencies:

  1. Set the Libraries BOM version.
    1. Find the latest release in https://github.com/googleapis/java-cloud-bom/releases and set libraries-bom value in BeamModulePlugin.groovy
  2. Find core Google Java library versions.
    1. Such as gRPC, Protobuf, Guava, Google Auth Library in the release note of the Libraries BOM and set them in BeamModulePlugin.groovy
  3. Find appropriate Netty version by checking io.grpc:grpc-netty's dependency declaration. For example, you can tell gRPC version 1.49.0 was built with Netty "4.1.77.Final" by reading https://search.maven.org/artifact/io.grpc/grpc-netty/1.49.0/jar:
       <artifactId>netty-codec-http2</artifactId>
   <version>4.1.77.Final</version>
    Update netty_version in BeamModulePlugin.groovy
  4. Find netty-tcnative version via netty-parent artifact. For example, you can tell Netty 4.1.77.Final was built with netty-tcnative "2.0.52.Final". https://search.maven.org/artifact/io.netty/netty-parent/4.1.77.Final/jar:
        <tcnative.version>2.0.52.Final</tcnative.version>
    Update netty_tcnative_boringssl_static version in BeamModulePlugin.groovy




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