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Posted to reviews@spark.apache.org by zsxwing <gi...@git.apache.org> on 2017/02/08 20:12:21 UTC

[GitHub] spark pull request #16859: [SPARK-17714][Core][maven]Avoid using ExecutorCla...

GitHub user zsxwing opened a pull request:

    https://github.com/apache/spark/pull/16859

    [SPARK-17714][Core][maven]Avoid using ExecutorClassLoader to load Netty generated classes

    ## What changes were proposed in this pull request?
    
    Netty's `MessageToMessageEncoder` uses Javassist to generate a matcher class and the implementation calls `Class.forName` to check if this calls is already generated. If `MessageEncoder` or `MessageDecoder` is created in `ExecutorClassLoader.findClass`, it will cause `ClassCircularityError`. This is because loading this Netty generated class will call `ExecutorClassLoader.findClass` to search this class, and `ExecutorClassLoader` will try to use RPC to load it and cause to load the non-exist matcher class again. JVM will report `ClassCircularityError` to prevent such infinite recursion.
    
    ##### Why it only happens in Maven builds 
    
    It's because the Maven build will set a URLClassLoader as the current context class loader to run the tests and expose this issue. The class loader tree is as following:
    
    ```
    bootstrap class loader ------ ... ----- REPL class loader ---- ExecutorClassLoader
    |
    |
    URLClasssLoader
    ```
    
    The SBT build uses the bootstrap class loader directly and `ReplSuite.test("propagation of local properties")` is the first test in ReplSuite, which happens to load `io/netty/util/internal/__matchers__/org/apache/spark/network/protocol/MessageMatcher` into the bootstrap class loader. This issue can be reproduced in SBT as well. Here are the produce steps:
    - Enable `hadoop.caller.context.enabled`.
    - Replace `Class.forName` with `Utils.classForName` in `object CallerContext`.
    - Ignore `ReplSuite.test("propagation of local properties")`.
    - Run `ReplSuite`.
    
    This PR just creates a singleton MessageEncoder and MessageDecoder and makes sure they can be created before switching to ExecutorClassLoader. TransportContext will be created when creating RpcEnv and that happens before creating ExecutorClassLoader.
    
    ## How was this patch tested?
    
    Jenkins


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zsxwing/spark SPARK-17714

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/16859.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #16859
    
----
commit 1c8847494c29d4b51182ecfeebb5cc85e000e7a1
Author: Shixiong Zhu <sh...@databricks.com>
Date:   2017-02-07T22:30:42Z

    Avoid using ExecutorClassLoader to load Netty generated classes

----


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[GitHub] spark pull request #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Av...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16859#discussion_r100412047
  
    --- Diff: common/network-common/src/main/java/org/apache/spark/network/protocol/MessageDecoder.java ---
    @@ -35,6 +35,12 @@
     
       private static final Logger logger = LoggerFactory.getLogger(MessageDecoder.class);
     
    +  public static final MessageDecoder INSTANCE = new MessageDecoder();
    +
    +  private MessageDecoder() {
    +    super();
    --- End diff --
    
    Removed


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72665 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72665/testReport)** for PR 16859 at commit [`7fcb317`](https://github.com/apache/spark/commit/7fcb31788a24ca48c988b2ea03bb803112f484a8).


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72599 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72599/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `public class TransportChannelHandler extends ChannelInboundHandlerAdapter `


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    @vanzin I just merged this one. If you have other comments, I will address them in a separate PR. Thanks!


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72655 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72655/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/72660/
    Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/72655/
    Test FAILed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72660 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72660/testReport)** for PR 16859 at commit [`20b6fd4`](https://github.com/apache/spark/commit/20b6fd4e3beeec37ccd38b961b0d525ba77a0988).


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    > Test build #3570 has finished for PR 16859 at commit 1c88474.
    
    This is the known OOM issue.
    
    > Test build #72655 has finished for PR 16859 at commit 1c88474.
    
    The only failure test is the kafka flaky test.


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven]Avoid using ExecutorClassLoade...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/72598/
    Test FAILed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid u...

Posted by vanzin <gi...@git.apache.org>.
Github user vanzin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16859#discussion_r100218630
  
    --- Diff: common/network-common/src/main/java/org/apache/spark/network/protocol/MessageDecoder.java ---
    @@ -35,6 +35,12 @@
     
       private static final Logger logger = LoggerFactory.getLogger(MessageDecoder.class);
     
    +  public static final MessageDecoder INSTANCE = new MessageDecoder();
    +
    +  private MessageDecoder() {
    +    super();
    --- End diff --
    
    nit: not really necessary (also in the other class)


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by vanzin <gi...@git.apache.org>.
Github user vanzin commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    btw I think you want `[test-maven]` to run the builder on maven. (last one ran on sbt.)


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[GitHub] spark pull request #16859: [SPARK-17714][Core][maven]Avoid using ExecutorCla...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16859#discussion_r100159293
  
    --- Diff: common/network-common/src/main/java/org/apache/spark/network/server/TransportChannelHandler.java ---
    @@ -48,7 +47,7 @@
      * on the channel for at least `requestTimeoutMs`. Note that this is duplex traffic; we will not
      * timeout if the client is continuously sending but getting no responses, for simplicity.
      */
    -public class TransportChannelHandler extends SimpleChannelInboundHandler<Message> {
    +public class TransportChannelHandler extends ChannelInboundHandlerAdapter {
    --- End diff --
    
    SimpleChannelInboundHandler also uses Javassist to generate a matcher class. Since `SimpleChannelInboundHandler` provides little value for us, I just changed to extend `ChannelInboundHandlerAdapter` directly.


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[GitHub] spark pull request #16859: [SPARK-17714][Core][maven]Avoid using ExecutorCla...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16859#discussion_r100159049
  
    --- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
    @@ -2599,14 +2599,10 @@ private[spark] object Utils extends Logging {
     
     private[util] object CallerContext extends Logging {
       val callerContextSupported: Boolean = {
    -    SparkHadoopUtil.get.conf.getBoolean("hadoop.caller.context.enabled", false) && {
    +    SparkHadoopUtil.get.conf.getBoolean("hadoop.caller.context.enabled", true) && {
    --- End diff --
    
    I will change default value to `false` later. Just to test if this PR fixes the issue on Jenkins.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72655 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72655/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `public class TransportChannelHandler extends ChannelInboundHandlerAdapter `


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven]Avoid using ExecutorClassLoade...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72598 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72598/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).
     * This patch **fails to build**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `public class TransportChannelHandler extends ChannelInboundHandlerAdapter `


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Thanks! Merging to master and 2.1.


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven]Avoid using ExecutorClassLoade...

Posted by dongjoon-hyun <gi...@git.apache.org>.
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Hi, @zsxwing .
    Currently, SparkPullRequestBuilder is broken and HOTFIX is #16858 .


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72599 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72599/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #3570 has started](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/3570/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by dongjoon-hyun <gi...@git.apache.org>.
Github user dongjoon-hyun commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Retest this please


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by vanzin <gi...@git.apache.org>.
Github user vanzin commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Nope, don't have anything else.


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven]Avoid using ExecutorClassLoade...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/72599/
    Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    I'm going to change the default value back since ReplSuite passed in `Test build #72655 has finished for PR 16859 at commit 1c88474.`.
    



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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/72665/
    Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72665 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72665/testReport)** for PR 16859 at commit [`7fcb317`](https://github.com/apache/spark/commit/7fcb31788a24ca48c988b2ea03bb803112f484a8).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Av...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/spark/pull/16859


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    cc @vanzin 


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #3570 has finished](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/3570/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).
     * This patch **fails from timeout after a configured wait of \`250m\`**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `public class TransportChannelHandler extends ChannelInboundHandlerAdapter `


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven][test-hadoop2.6]Avoid using Ex...

Posted by zsxwing <gi...@git.apache.org>.
Github user zsxwing commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    retest this please


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[GitHub] spark issue #16859: [SPARK-17714][Core][maven]Avoid using ExecutorClassLoade...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72598 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72598/testReport)** for PR 16859 at commit [`1c88474`](https://github.com/apache/spark/commit/1c8847494c29d4b51182ecfeebb5cc85e000e7a1).


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #16859: [SPARK-17714][Core][test-maven][test-hadoop2.6]Avoid usi...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/16859
  
    **[Test build #72660 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/72660/testReport)** for PR 16859 at commit [`20b6fd4`](https://github.com/apache/spark/commit/20b6fd4e3beeec37ccd38b961b0d525ba77a0988).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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