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Posted to reviews@spark.apache.org by mengxr <gi...@git.apache.org> on 2015/12/01 20:58:49 UTC

[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

GitHub user mengxr opened a pull request:

    https://github.com/apache/spark/pull/10071

    [SPARK-12000] [Build] remove scala-compiler and scalap from deps

    This could be a fix for SPARK-12000 because json4s pulls in scala-compiler:2.10.0 and scalap. See https://github.com/json4s/json4s/issues/108.
    
    cc @JoshRosen 

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

    $ git pull https://github.com/mengxr/spark SPARK-12000

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

    https://github.com/apache/spark/pull/10071.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 #10071
    
----
commit 36bab205a0b3f3157fa8e0ae60017922604694d7
Author: Xiangrui Meng <me...@databricks.com>
Date:   2015-12-01T19:57:40Z

    remove scala-compiler and scalap from deps

----


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by liancheng <gi...@git.apache.org>.
Github user liancheng commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161249651
  
    retest this please


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161098068
  
    Yeah, I was just coming here to comment on the same issue. I think that I had a similar experience yesterday with my JDK bumping fix, where it seemed to work on the first run but started failing later.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161143579
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161143587
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/46984/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161143205
  
    **[Test build #46984 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/46984/consoleFull)** for PR 10071 at commit [`7fd9ee5`](https://github.com/apache/spark/commit/7fd9ee500e9de6f2aba088969280c32655a99b42).
     * This patch **fails from timeout after a configured wait of \`250m\`**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161103647
  
    @JoshRosen sgtm


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161083912
  
    Woah, weird:
    
    ```
    [error] /home/jenkins/workspace/SparkPullRequestBuilder/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/package.scala:54: object tools is not a member of package scala
    [error]           .asInstanceOf[scala.tools.nsc.interpreter.AbstractFileClassLoader]
    [error]                
    ```
    
    Were we somehow implicitly depending on an undeclared transitive dependency?


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161111963
  
    Oh, I wanted to see if we could get rid of the Scala compiler dependency. Maybe we can modify it to not use that compiler classloader?


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161761829
  
    I created https://issues.apache.org/jira/browse/SPARK-12135 for removing scala-compiler and scalap from runtime deps. I'm closing this PR since this is not the fix for SPARK-12000.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161085945
  
    I think that there's a way to configure Maven enforcer such that the build will break if a project uses code from a dependency that it doesn't declare. I might look into configuring that to prevent this class of issue in the future.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161318946
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161318950
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/47059/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161094096
  
    Alright, I'll turn around and file a followup PR on the tails of this one to remove that.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161083437
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/46978/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161085555
  
    catalyst uses scala-compiler but it doesn't declare it explicitly. fixed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161318754
  
    **[Test build #47059 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47059/consoleFull)** for PR 10071 at commit [`7fd9ee5`](https://github.com/apache/spark/commit/7fd9ee500e9de6f2aba088969280c32655a99b42).
     * This patch **fails from timeout after a configured wait of \`250m\`**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161083428
  
    **[Test build #46978 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/46978/consoleFull)** for PR 10071 at commit [`36bab20`](https://github.com/apache/spark/commit/36bab205a0b3f3157fa8e0ae60017922604694d7).
     * This patch **fails to build**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:\n  * `     * For example, we build an encoder for `case class Data(a: Int, b: String)` and the real type`\n  * `case class UpCast(child: Expression, dataType: DataType, walkedTypePath: Seq[String])`\n  * `case class InitializeJavaBean(beanInstance: Expression, setters: Map[String, Expression])`\n


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161251116
  
    **[Test build #47059 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47059/consoleFull)** for PR 10071 at commit [`7fd9ee5`](https://github.com/apache/spark/commit/7fd9ee500e9de6f2aba088969280c32655a99b42).


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161475498
  
    I found the exact fix for the bug (https://github.com/apache/spark/pull/10114). But I think it is still useful to remove scala-compiler/scalap deps from runtime. @JoshRosen Could you make a new JIRA for it?


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by JoshRosen <gi...@git.apache.org>.
Github user JoshRosen commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161092480
  
    Actually, we might be able to get away with completely removing our dependency on the Scala compiler. It looks like the usage which broke the build is only used in some debugging code which is no longer used anywhere:
    
    ```scala
      /**
       * Dumps the bytecode from a class to the screen using javap.
       */
      object DumpByteCode {
        import scala.sys.process._
        val dumpDirectory = Utils.createTempDir()
        dumpDirectory.mkdir()
    
        def apply(obj: Any): Unit = {
          val generatedClass = obj.getClass
          val classLoader =
            generatedClass
              .getClassLoader
              .asInstanceOf[scala.tools.nsc.interpreter.AbstractFileClassLoader]
          val generatedBytes = classLoader.classBytes(generatedClass.getName)
    
          val packageDir = new java.io.File(dumpDirectory, generatedClass.getPackage.getName)
          if (!packageDir.exists()) { packageDir.mkdir() }
    
          val classFile =
            new java.io.File(packageDir, generatedClass.getName.split("\\.").last + ".class")
    
          val outfile = new java.io.FileOutputStream(classFile)
          outfile.write(generatedBytes)
          outfile.close()
    
          // scalastyle:off println
          println(
            s"javap -p -v -classpath ${dumpDirectory.getCanonicalPath} ${generatedClass.getName}".!!)
          // scalastyle:on println
        }
      }
    ```
    
    As far as I know, that code may no longer even work in light of the recent Janino changes. Given this, my preference would be to simply remove that `DumpByteCode` class for now, then remove the `scala-compiler` dependency. @marmbrus @davies, any objections to this? Are you using that class?


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161082187
  
    **[Test build #46978 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/46978/consoleFull)** for PR 10071 at commit [`36bab20`](https://github.com/apache/spark/commit/36bab205a0b3f3157fa8e0ae60017922604694d7).


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161088098
  
    **[Test build #46984 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/46984/consoleFull)** for PR 10071 at commit [`7fd9ee5`](https://github.com/apache/spark/commit/7fd9ee500e9de6f2aba088969280c32655a99b42).


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by marmbrus <gi...@git.apache.org>.
Github user marmbrus commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161111754
  
    It does still work and I use it regularly.  What is the motivation?


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

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

    https://github.com/apache/spark/pull/10071#issuecomment-161083435
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161097842
  
    This didn't actually fix the bug ... The first time it worked but the bug appeared again in the second run ...


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[GitHub] spark pull request: [SPARK-12000] [Build] remove scala-compiler an...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the pull request:

    https://github.com/apache/spark/pull/10071#issuecomment-161093834
  
    That sounds good to me, but it should be addressed in a separate PR. This is to fix the compiler bug we hit in `sbt publishLocal`.


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