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Stop using Java8 because we no longer support spark < 3.0 #5234

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merged 8 commits into from Jan 7, 2022

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@harupy harupy commented Jan 7, 2022

Signed-off-by: harupy 17039389+harupy@users.noreply.github.com

What changes are proposed in this pull request?

Stop using java8 because we no longer support spark < 3.0.

How is this patch tested?

Existing checks

Does this PR change the documentation?

  • No. You can skip the rest of this section.
  • Yes. Make sure the changed pages / sections render correctly by following the steps below.
  1. Check the status of the ci/circleci: build_doc check. If it's successful, proceed to the
    next step, otherwise fix it.
  2. Click Details on the right to open the job page of CircleCI.
  3. Click the Artifacts tab.
  4. Click docs/build/html/index.html.
  5. Find the changed pages / sections and make sure they render correctly.

Release Notes

Is this a user-facing change?

  • No. You can skip the rest of this section.
  • Yes. Give a description of this change to be included in the release notes for MLflow users.

(Details in 1-2 sentences. You can just refer to another PR with a description if this PR is part of a larger change.)

What component(s), interfaces, languages, and integrations does this PR affect?

Components

  • area/artifacts: Artifact stores and artifact logging
  • area/build: Build and test infrastructure for MLflow
  • area/docs: MLflow documentation pages
  • area/examples: Example code
  • area/model-registry: Model Registry service, APIs, and the fluent client calls for Model Registry
  • area/models: MLmodel format, model serialization/deserialization, flavors
  • area/projects: MLproject format, project running backends
  • area/scoring: MLflow Model server, model deployment tools, Spark UDFs
  • area/server-infra: MLflow Tracking server backend
  • area/tracking: Tracking Service, tracking client APIs, autologging

Interface

  • area/uiux: Front-end, user experience, plotting, JavaScript, JavaScript dev server
  • area/docker: Docker use across MLflow's components, such as MLflow Projects and MLflow Models
  • area/sqlalchemy: Use of SQLAlchemy in the Tracking Service or Model Registry
  • area/windows: Windows support

Language

  • language/r: R APIs and clients
  • language/java: Java APIs and clients
  • language/new: Proposals for new client languages

Integrations

  • integrations/azure: Azure and Azure ML integrations
  • integrations/sagemaker: SageMaker integrations
  • integrations/databricks: Databricks integrations

How should the PR be classified in the release notes? Choose one:

  • rn/breaking-change - The PR will be mentioned in the "Breaking Changes" section
  • rn/none - No description will be included. The PR will be mentioned only by the PR number in the "Small Bugfixes and Documentation Updates" section
  • rn/feature - A new user-facing feature worth mentioning in the release notes
  • rn/bug-fix - A user-facing bug fix worth mentioning in the release notes
  • rn/documentation - A user-facing documentation change worth mentioning in the release notes

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
@github-actions github-actions bot added the rn/none List under Small Changes in Changelogs. label Jan 7, 2022
Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
@harupy harupy added the enable-dev-tests Enables cross-version tests for dev versions label Jan 7, 2022
Comment on lines -74 to -75
def _format_exception(ex):
return "".join(traceback.format_exception(type(ex), ex, ex.__traceback__))
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Removed this unused function to run cross version tests for spark.

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
Comment on lines +215 to +216
# This import statement adds `serializeToBundle` and `deserializeFromBundle` to `Transformer`:
# https://github.com/combust/mleap/blob/37f6f61634798118e2c2eb820ceeccf9d234b810/python/mleap/pyspark/spark_support.py#L32-L33
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Change for running cross version tests for mleap.

Signed-off-by: harupy <17039389+harupy@users.noreply.github.com>
- name: Get Java version
id: get-java-version
run: |
if [ "${{ matrix.package }}" = "mleap" ]
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mleap still uses spark 2.4.

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The latest mleap version already support spark 3.x ?

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@WeichenXu123

https://github.com/combust/mleap#requirements says:

MLeap is built against Scala 2.11 and Java 8. Because we depend heavily on Typesafe config for MLeap, we only support Java 8 at the moment.

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Until MLeap supports >3.1.x the solution in this PR will be needed for the netty serialization issue, right?

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Yes!



@pytest.mark.large
def test_spark_module_model_save_with_mleap_and_unsupported_transformer_raises_exception(
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@harupy harupy Jan 7, 2022

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Moved this test here from tests/spark/test_spark_model_export.py since it's related to mleap.

Comment on lines +65 to +80
if Version(pyspark.__version__) < Version("3.1"):
# A workaround for this issue:
# https://stackoverflow.com/questions/62109276/errorjava-lang-unsupportedoperationexception-for-pyspark-pandas-udf-documenta
spark_home = (
os.environ.get("SPARK_HOME")
if "SPARK_HOME" in os.environ
else os.path.dirname(pyspark.__file__)
)
conf_dir = os.path.join(spark_home, "conf")
os.makedirs(conf_dir, exist_ok=True)
with open(os.path.join(conf_dir, "spark-defaults.conf"), "w") as f:
conf = """
spark.driver.extraJavaOptions="-Dio.netty.tryReflectionSetAccessible=true"
spark.executor.extraJavaOptions="-Dio.netty.tryReflectionSetAccessible=true"
"""
f.write(conf)
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+1 writing to spark-defaults config file. Good solution for this.

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LGTM. Nice config solution.

@harupy harupy merged commit d5b0b55 into mlflow:master Jan 7, 2022
@harupy harupy deleted the stop-using-java8 branch January 7, 2022 17:01
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