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Posted to reviews@spark.apache.org by mengxr <gi...@git.apache.org> on 2015/11/12 21:59:07 UTC

[GitHub] spark pull request: [WIP] [SPARK-11672] flaky spark.ml read/write ...

GitHub user mengxr opened a pull request:

    https://github.com/apache/spark/pull/9677

    [WIP] [SPARK-11672] flaky spark.ml read/write tests

    Add callSite info for debugging. I will run Jenkins several times.

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

    $ git pull https://github.com/mengxr/spark SPARK-11672.2

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

    https://github.com/apache/spark/pull/9677.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 #9677
    
----
commit 656953f380d3fa6e935c4b2fdcdfea2a4e7cdd10
Author: Xiangrui Meng <me...@databricks.com>
Date:   2015-11-12T20:07:51Z

    include call site info in SparkContext.assertNotStopped error message

commit e130df61dd9a225961fe126447030c9f5a49ac2b
Author: Xiangrui Meng <me...@databricks.com>
Date:   2015-11-12T20:58:00Z

    Revert "[SPARK-11672][ML] disable spark.ml read/write tests"
    
    This reverts commit 1a21be15f655b9696ddac80aac629445a465f621.

----


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156257030
  
     Merged build triggered.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156291275
  
    **[Test build #45790 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45790/consoleFull)** for PR 9677 at commit [`da857a3`](https://github.com/apache/spark/commit/da857a3d9bb6d9af9b5ec5372aadffab2a716c96).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:\n  * `case class StddevSamp(child: Expression,`\n  * `case class StddevPop(`\n


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156316641
  
    Merged into master and branch-1.6.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156282563
  
    Merged build started.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156295132
  
    **[Test build #45788 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45788/consoleFull)** for PR 9677 at commit [`62b09a3`](https://github.com/apache/spark/commit/62b09a31c83726625d128761d1d60b79b31fd5db).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156282544
  
     Merged build triggered.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156233783
  
    **[Test build #45770 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45770/consoleFull)** for PR 9677 at commit [`e130df6`](https://github.com/apache/spark/commit/e130df61dd9a225961fe126447030c9f5a49ac2b).


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156232817
  
    Merged build started.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156237749
  
    **[Test build #45773 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45773/consoleFull)** for PR 9677 at commit [`e130df6`](https://github.com/apache/spark/commit/e130df61dd9a225961fe126447030c9f5a49ac2b).


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156275751
  
    **[Test build #45788 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45788/consoleFull)** for PR 9677 at commit [`62b09a3`](https://github.com/apache/spark/commit/62b09a31c83726625d128761d1d60b79b31fd5db).


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156316528
  
    LGTM


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156291390
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156269854
  
    **[Test build #45770 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45770/consoleFull)** for PR 9677 at commit [`e130df6`](https://github.com/apache/spark/commit/e130df61dd9a225961fe126447030c9f5a49ac2b).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156236667
  
    Merged build started.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156236641
  
     Merged build triggered.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156270975
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/45773/
    Test FAILed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156274713
  
    ~~~
    [info] - read/write *** FAILED *** (2 milliseconds)
    [info]   java.lang.IllegalStateException: Cannot call methods on a stopped SparkContext.
    [info] This stopped SparkContext was created at:
    [info] 
    [info] org.apache.spark.SparkContext.<init>(SparkContext.scala:82)
    [info] org.apache.spark.mllib.util.MLlibTestSparkContext$class.beforeAll(MLlibTestSparkContext.scala:34)
    [info] org.apache.spark.mllib.classification.LogisticRegressionSuite.beforeAll(LogisticRegressionSuite.scala:172)
    [info] org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
    [info] org.apache.spark.mllib.classification.LogisticRegressionSuite.beforeAll(LogisticRegressionSuite.scala:172)
    [info] org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
    [info] org.apache.spark.mllib.classification.LogisticRegressionSuite.run(LogisticRegressionSuite.scala:172)
    [info] org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
    [info] org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
    [info] sbt.ForkMain$Run$2.call(ForkMain.java:294)
    [info] sbt.ForkMain$Run$2.call(ForkMain.java:284)
    [info] java.util.concurrent.FutureTask.run(FutureTask.java:262)
    [info] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    [info] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    [info] java.lang.Thread.run(Thread.java:745)
    [info] 
    [info] The currently active SparkContext was created at:
    [info] 
    [info] org.apache.spark.SparkContext.<init>(SparkContext.scala:82)
    [info] org.apache.spark.mllib.util.MLlibTestSparkContext$class.beforeAll(MLlibTestSparkContext.scala:34)
    [info] org.apache.spark.ml.feature.BinarizerSuite.org$apache$spark$ml$util$TempDirectory$$super$beforeAll(BinarizerSuite.scala:26)
    [info] org.apache.spark.ml.util.TempDirectory$class.beforeAll(TempDirectory.scala:37)
    [info] org.apache.spark.ml.feature.BinarizerSuite.beforeAll(BinarizerSuite.scala:31)
    [info] org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
    [info] org.apache.spark.ml.feature.BinarizerSuite.beforeAll(BinarizerSuite.scala:26)
    [info] org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
    [info] org.apache.spark.ml.feature.BinarizerSuite.run(BinarizerSuite.scala:26)
    [info] org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
    [info] org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
    [info] sbt.ForkMain$Run$2.call(ForkMain.java:294)
    [info] sbt.ForkMain$Run$2.call(ForkMain.java:284)
    [info] java.util.concurrent.FutureTask.run(FutureTask.java:262)
    [info] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    [info] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    [info] java.lang.Thread.run(Thread.java:745)
    [info]   at org.apache.spark.SparkContext.org$apache$spark$SparkContext$$assertNotStopped(SparkContext.scala:106)
    [info]   at org.apache.spark.SparkContext$$anonfun$parallelize$1.apply(SparkContext.scala:732)
    [info]   at org.apache.spark.SparkContext$$anonfun$parallelize$1.apply(SparkContext.scala:731)
    [info]   at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
    [info]   at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111)
    [info]   at org.apache.spark.SparkContext.withScope(SparkContext.scala:717)
    [info]   at org.apache.spark.SparkContext.parallelize(SparkContext.scala:731)
    [info]   at org.apache.spark.ml.util.DefaultParamsWriter$.saveMetadata(ReadWrite.scala:206)
    [info]   at org.apache.spark.ml.util.DefaultParamsWriter.saveImpl(ReadWrite.scala:178)
    [info]   at org.apache.spark.ml.util.Writer.save(ReadWrite.scala:87)
    [info]   at org.apache.spark.ml.util.Writable$class.save(ReadWrite.scala:127)
    [info]   at org.apache.spark.ml.feature.Binarizer.save(Binarizer.scala:35)
    [info]   at org.apache.spark.ml.util.DefaultReadWriteTest$class.testDefaultReadWrite(DefaultReadWriteTest.scala:40)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite.testDefaultReadWrite(BinarizerSuite.scala:26)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite$$anonfun$6.apply$mcV$sp(BinarizerSuite.scala:76)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite$$anonfun$6.apply(BinarizerSuite.scala:71)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite$$anonfun$6.apply(BinarizerSuite.scala:71)
    [info]   at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
    [info]   at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
    [info]   at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
    [info]   at org.scalatest.Transformer.apply(Transformer.scala:22)
    [info]   at org.scalatest.Transformer.apply(Transformer.scala:20)
    [info]   at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
    [info]   at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:42)
    [info]   at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
    [info]   at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
    [info]   at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
    [info]   at org.scalatest.FunSuite.runTest(FunSuite.scala:1555)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
    [info]   at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
    [info]   at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
    [info]   at scala.collection.immutable.List.foreach(List.scala:318)
    [info]   at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
    [info]   at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
    [info]   at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
    [info]   at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
    [info]   at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
    [info]   at org.scalatest.Suite$class.run(Suite.scala:1424)
    [info]   at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
    [info]   at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
    [info]   at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
    [info]   at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite.org$scalatest$BeforeAndAfterAll$$super$run(BinarizerSuite.scala:26)
    [info]   at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
    [info]   at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
    [info]   at org.apache.spark.ml.feature.BinarizerSuite.run(BinarizerSuite.scala:26)
    [info]   at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
    [info]   at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
    [info]   at sbt.ForkMain$Run$2.call(ForkMain.java:294)
    [info]   at sbt.ForkMain$Run$2.call(ForkMain.java:284)
    [info]   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    [info]   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    [info]   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    [info]   at java.lang.Thread.run(Thread.java:745)
    ~~~


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156232790
  
     Merged build triggered.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156257065
  
    Merged build started.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156260552
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156295285
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/45788/
    Test PASSed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156269958
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156270974
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156631866
  
    @mengxr I just saw a failure that seems related to this PR at https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45914/consoleFull
    ```
    [info] Test org.apache.spark.ml.util.JavaDefaultReadWriteSuite.testDefaultReadWrite started
    [error] Test org.apache.spark.ml.util.JavaDefaultReadWriteSuite.testDefaultReadWrite failed: java.lang.IllegalStateException: Cannot call methods on a stopped SparkContext.
    [error] This stopped SparkContext was created at:
    [error] 
    [error] org.apache.spark.SparkContext.<init>(SparkContext.scala:82)
    [error] org.apache.spark.mllib.util.MLlibTestSparkContext$class.beforeAll(MLlibTestSparkContext.scala:34)
    [error] org.apache.spark.mllib.optimization.GradientDescentSuite.beforeAll(GradientDescentSuite.scala:65)
    [error] org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
    [error] org.apache.spark.mllib.optimization.GradientDescentSuite.beforeAll(GradientDescentSuite.scala:65)
    [error] org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
    [error] org.apache.spark.mllib.optimization.GradientDescentSuite.run(GradientDescentSuite.scala:65)
    [error] org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
    [error] org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
    [error] sbt.ForkMain$Run$2.call(ForkMain.java:294)
    [error] sbt.ForkMain$Run$2.call(ForkMain.java:284)
    [error] java.util.concurrent.FutureTask.run(FutureTask.java:262)
    [error] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    [error] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    [error] java.lang.Thread.run(Thread.java:745)
    [error] 
    [error] The currently active SparkContext was created at:
    [error] 
    [error] org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:65)
    [error] org.apache.spark.ml.util.JavaDefaultReadWriteSuite.setUp(JavaDefaultReadWriteSuite.java:39)
    [error] sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [error] sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    [error] sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    [error] java.lang.reflect.Method.invoke(Method.java:606)
    [error] org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
    [error] org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    [error] org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
    [error] org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
    [error] org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    [error] org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
    [error] org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
    [error] org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
    [error] org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
    [error] org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
    [error] org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
    [error] org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
    [error] org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
    [error] org.junit.runners.ParentRunner.run(ParentRunner.java:309)
    [error]          , took 0.212 sec
    [error]     at org.apache.spark.SparkContext.org$apache$spark$SparkContext$$assertNotStopped(SparkContext.scala:106)
    [error]     at org.apache.spark.SparkContext$$anonfun$parallelize$1.apply(SparkContext.scala:732)
    [error]     at org.apache.spark.SparkContext$$anonfun$parallelize$1.apply(SparkContext.scala:731)
    [error]     at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
    [error]     at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111)
    [error]     at org.apache.spark.SparkContext.withScope(SparkContext.scala:717)
    [error]     at org.apache.spark.SparkContext.parallelize(SparkContext.scala:731)
    [error]     at org.apache.spark.ml.util.DefaultParamsWriter$.saveMetadata(ReadWrite.scala:209)
    [error]     at org.apache.spark.ml.util.DefaultParamsWriter.saveImpl(ReadWrite.scala:181)
    [error]     at org.apache.spark.ml.util.Writer.save(ReadWrite.scala:90)
    [error]     at org.apache.spark.ml.util.Writable$class.save(ReadWrite.scala:130)
    [error]     at org.apache.spark.ml.util.MyParams.save(DefaultReadWriteTest.scala:69)
    [error]     at org.apache.spark.ml.util.JavaDefaultReadWriteSuite.testDefaultReadWrite(JavaDefaultReadWriteSuite.java:59)
    [error]     ...
    ```


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156274662
  
    Okay, I think the problem is `SQLContext.getOrCreate` may return an old `SQLContext` and we need to clear the active SQLContext in `afterAll`.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156236535
  
    test this please


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156283807
  
    **[Test build #45790 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45790/consoleFull)** for PR 9677 at commit [`da857a3`](https://github.com/apache/spark/commit/da857a3d9bb6d9af9b5ec5372aadffab2a716c96).


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156256834
  
    test this please


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156275618
  
    Merged build started.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156275599
  
     Merged build triggered.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156269960
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/45770/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156295283
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156260555
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/45782/
    Test FAILed.


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[GitHub] spark pull request: [WIP] [SPARK-11672] [ML] flaky spark.ml read/w...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156270893
  
    **[Test build #45773 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/45773/consoleFull)** for PR 9677 at commit [`e130df6`](https://github.com/apache/spark/commit/e130df61dd9a225961fe126447030c9f5a49ac2b).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-11672] [ML] flaky spark.ml read/write t...

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

    https://github.com/apache/spark/pull/9677#issuecomment-156291392
  
    Test PASSed.
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    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/45790/
    Test PASSed.


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