[SPARK-20202][BUILD][SQL] Remove references to org.spark-project.hive (Hive 1.2.1) by dongjoon-hyun · Pull Request #29936 · apache/spark

dongjoon-hyun · 2020-10-02T15:37:59Z

What changes were proposed in this pull request?

As of today,

SPARK-30034 Apache Spark 3.0.0 switched its default Hive execution engine from Hive 1.2 to Hive 2.3. This removes the direct dependency to the forked Hive 1.2.1 in maven repository.
SPARK-32981 Apache Spark 3.1.0(master branch) removed Hive 1.2 related artifacts from Apache Spark binary distributions.

This PR(SPARK-20202) aims to remove the following usage of unofficial Apache Hive fork completely from Apache Spark master for Apache Spark 3.1.0.

<hive.group>org.spark-project.hive</hive.group>
<hive.version>1.2.1.spark2</hive.version>

For the forked Hive 1.2.1.spark2 users, Apache Spark 2.4(LTS) and 3.0 (~ 2021.12) will provide it.

Why are the changes needed?

First, Apache Spark community should not use the unofficial forked release of another Apache project.
Second, Apache Hive 1.2.1 was released at 2015-06-26 and the forked Hive 1.2.1.spark2 exposed many unfixable bugs in Apache because the forked 1.2.1.spark2 is not maintained at all. Apache Hive 2.3.0 was released at 2017-07-19 and it has been used with less number of bugs compared with 1.2.1.spark2. Many bugs still exist in hive-1.2 profile and new Apache Spark unit tests are added with HiveUtils.isHive23 condition so far.

Does this PR introduce any user-facing change?

No. This is a dev-only change. PRBuilder will not accept [test-hive1.2] on master and branch-3.1.

How was this patch tested?

SBT/Hadoop 3.2/Hive 2.3 (https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/129366)
SBT/Hadoop 2.7/Hive 2.3 (https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/129382)
SBT/Hadoop 3.2/Hive 1.2 (This has not been supported already due to Hive 1.2 doesn't work with Hadoop 3.2.)
SBT/Hadoop 2.7/Hive 1.2 (https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/129383, This is rejected)

SparkQA · 2020-10-02T15:42:54Z

Test build #129353 has started for PR 29936 at commit 032499e.

SparkQA · 2020-10-02T16:26:08Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33964/

SparkQA · 2020-10-02T16:50:42Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33964/

dongjoon-hyun · 2020-10-02T19:06:10Z

Retest this please

SparkQA · 2020-10-02T19:38:59Z

Test build #129363 has finished for PR 29936 at commit 621582f.

This patch fails to build.
This patch merges cleanly.
This patch adds no public classes.

SparkQA · 2020-10-02T19:53:18Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33972/

SparkQA · 2020-10-02T20:11:15Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33972/

SparkQA · 2020-10-02T21:34:20Z

Test build #129362 has finished for PR 29936 at commit 032499e.

This patch passes all tests.
This patch merges cleanly.
This patch adds no public classes.

SparkQA · 2020-10-02T21:37:00Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33976/

SparkQA · 2020-10-02T22:00:35Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33976/

SparkQA · 2020-10-02T23:28:54Z

Test build #129366 has finished for PR 29936 at commit 16b3452.

This patch passes all tests.
This patch merges cleanly.
This patch adds no public classes.

dongjoon-hyun · 2020-10-03T20:38:22Z

Retest this please

dongjoon-hyun · 2020-10-03T21:05:23Z

Retest this please.

SparkQA · 2020-10-03T21:11:11Z

Test build #129383 has finished for PR 29936 at commit 16b3452.

This patch fails some tests.
This patch merges cleanly.
This patch adds no public classes.

SparkQA · 2020-10-03T21:20:38Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33990/

SparkQA · 2020-10-03T21:44:11Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33990/

SparkQA · 2020-10-03T21:55:51Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33991/

SparkQA · 2020-10-03T22:13:14Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/33991/

SparkQA · 2020-10-03T23:45:05Z

Test build #129382 has finished for PR 29936 at commit 16b3452.

This patch passes all tests.
This patch merges cleanly.
This patch adds no public classes.

srowen

I'm OK with it if Hive 1.2 is gone.

dongjoon-hyun · 2020-10-04T23:22:44Z

Thank you, @srowen .

HyukjinKwon · 2020-10-05T02:17:24Z

@wangyum can you review this? I think it's important to get your review here.

HyukjinKwon · 2020-10-05T02:25:35Z

@@ -296,8 +296,7 @@ private[hive] class HiveClientImpl(
      case e: NoClassDefFoundError
        if HiveUtils.isHive23 && e.getMessage.contains("org/apache/hadoop/hive/serde2/SerDe") =>


@dongjoon-hyun should we remove HiveUtils.isHive23 and related changes? I see it was added when we add Hive 2.3 support at 33f3c48#diff-842e3447fc453de26c706db1cac8f2c4R59. cc @wangyum FYI

@AngersZhuuuu should we remove

spark/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveScriptTransformationSuite.scala

Line 41 in 55ce49e

override def isHive23OrSpark: Boolean = HiveUtils.isHive23

too?

+1, we can remove HiveUtils.isHive23 and related changes.

HyukjinKwon · 2020-10-05T02:32:24Z

@@ -28,14 +28,11 @@ import org.apache.spark.sql.hive.test.TestHive
 * {{{


I think we can now remove this comment d7755cf#diff-10e604a9a9d9c4bcc9cdc01049851095R170

and enable this test d7755cf#diff-10e604a9a9d9c4bcc9cdc01049851095R201. Feel free to ignore back if it fails for whatever reason.

Looks we can just remove this comment too:

spark/sql/hive/src/test/scala/org/apache/spark/sql/hive/orc/HiveOrcQuerySuite.scala

Lines 171 to 173 in 6be8b93

// Since Hive 1.2.1 library code path still has this problem, users may hit this

// when spark.sql.hive.convertMetastoreOrc=false. However, after SPARK-22279,

// Apache Spark with the default configuration doesn't hit this bug.

dongjoon-hyun · 2020-10-05T19:32:29Z

Thank you so much for review, @HyukjinKwon and @wangyum . It's difficult to remove all conditional logics / comments / website in this PR. We have more instances in the test cases, too. I want to clean up them in another PR or a follow-up carefully. Is it okay for you guys? This PR focuses on removing org.spark-project.hive reference in mainly pom and source code structure.

dongjoon-hyun · 2020-10-05T19:35:54Z

cc @dbtsai , @holdenk , @viirya , @sunchao

dbtsai

LGTM. +1 on cleaning up the rest of Hive1.2 code in followup PR as it's everywhere, and takes time to carefully remove them.

viirya · 2020-10-05T21:14:51Z

      <id>hive-1.2</id>
-      <properties>
-        <hive.group>org.spark-project.hive</hive.group>
-        <hive.classifier></hive.classifier>
-        <!-- Version used in Maven Hive dependency -->
-        <hive.version>1.2.1.spark2</hive.version>
-        <!-- Version used for internal directory structure -->
-        <hive.version.short>1.2</hive.version.short>
-        <hive.parquet.scope>${hive.deps.scope}</hive.parquet.scope>
-        <hive.storage.version>2.6.0</hive.storage.version>
-        <hive.storage.scope>provided</hive.storage.scope>
-        <hive.common.scope>provided</hive.common.scope>
-        <hive.llap.scope>provided</hive.llap.scope>
-        <hive.serde.scope>provided</hive.serde.scope>
-        <hive.shims.scope>provided</hive.shims.scope>
-        <orc.classifier>nohive</orc.classifier>
-        <datanucleus-core.version>3.2.10</datanucleus-core.version>
-      </properties>
+      <!-- Exists only for backward compatibility. No-op. -->


So this profile is still useful after we remove all the hive-1.2 stuffs?

No, it's just that you get an error if you specify -Phive-1.2 if it's removed entirely. Now, maybe that's a good thing? previously for Scala profiles I had left them in because, for example -Pscala-2.12 was not the default before. When it became the default, that would have caused an error even though it was already set up for 2.12. But this case is probably different: someone selecting Hive 1.x support should see an error, probably? in which case this should be removed.

Yeah, this sounds more correct.

Got it. I'll remove this and raise error explicitly, @viirya and @srowen . :)

viirya · 2020-10-05T21:18:52Z

Looks OK and the tests/Github Actions were passed. It is okay to clean up other Hive 1.2 related code in next PRs.

dongjoon-hyun · 2020-10-05T22:29:28Z

Thank you all. Merged to master for Apache Spark 3.1.0.

SparkQA · 2020-10-05T22:59:37Z

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/34031/

SparkQA · 2020-10-05T23:16:52Z

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/34031/

HyukjinKwon · 2020-10-06T00:17:23Z

Yeah, followup is fine. LGTM.

SparkQA · 2020-10-06T00:40:55Z

Test build #129424 has finished for PR 29936 at commit c855260.

This patch fails Spark unit tests.
This patch merges cleanly.
This patch adds no public classes.

Remove Hive 1.2

16b3452

dongjoon-hyun changed the title ~~[WIP][BUILD][SQL] Remove Hive 1.2~~ [WIP][BUILD][SQL][test-hadoop2.7] Remove Hive 1.2 Oct 3, 2020

dongjoon-hyun changed the title ~~[WIP][BUILD][SQL][test-hadoop2.7] Remove Hive 1.2~~ [WIP][BUILD][SQL][test-hadoop2.7][test-hive1.2] Remove Hive 1.2 Oct 3, 2020

dongjoon-hyun changed the title ~~[WIP][BUILD][SQL][test-hadoop2.7][test-hive1.2] Remove Hive 1.2~~ [WIP][BUILD][SQL][test-hadoop2.7] Remove Hive 1.2 Oct 3, 2020

dongjoon-hyun changed the title ~~[WIP][BUILD][SQL][test-hadoop2.7] Remove Hive 1.2~~ [SPARK-20202][BUILD][SQL] Remove references to org.spark-project.hive Oct 3, 2020

dongjoon-hyun changed the title ~~[SPARK-20202][BUILD][SQL] Remove references to org.spark-project.hive~~ [SPARK-20202][BUILD][SQL] Remove references to org.spark-project.hive (Hive 1.2.1) Oct 3, 2020

srowen reviewed Oct 4, 2020

View reviewed changes

HyukjinKwon reviewed Oct 5, 2020

View reviewed changes

dbtsai self-requested a review October 5, 2020 20:57

dbtsai approved these changes Oct 5, 2020

View reviewed changes

viirya reviewed Oct 5, 2020

View reviewed changes

Remove hive-1.2 profile

c855260

dongjoon-hyun closed this in 008a2ad Oct 5, 2020

dongjoon-hyun deleted the SPARK-REMOVE-HIVE1 branch October 5, 2020 22:30

		@@ -296,8 +296,7 @@ private[hive] class HiveClientImpl(
		case e: NoClassDefFoundError
		if HiveUtils.isHive23 && e.getMessage.contains("org/apache/hadoop/hive/serde2/SerDe") =>

		@@ -28,14 +28,11 @@ import org.apache.spark.sql.hive.test.TestHive
		* {{{

	// Since Hive 1.2.1 library code path still has this problem, users may hit this
	// when spark.sql.hive.convertMetastoreOrc=false. However, after SPARK-22279,
	// Apache Spark with the default configuration doesn't hit this bug.

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