Josh Rosen created SPARK-4826:
---------------------------------
Summary: Possible flaky tests in WriteAheadLogBackedBlockRDDSuite:
"java.lang.IllegalStateException: File exists and there is no append support!"
Key: SPARK-4826
URL: https://issues.apache.org/jira/browse/SPARK-4826
Project: Spark
Issue Type: Bug
Components: Streaming
Affects Versions: 1.2.0, 1.3.0
Reporter: Josh Rosen
Assignee: Tathagata Das
I saw a recent master Maven build failure in WriteHeadLogBackedBlockRDDSuite
where four tests failed with the same exception.
[Link to test result (this will eventually
break)|https://amplab.cs.berkeley.edu/jenkins/job/Spark-Master-Maven-pre-YARN/1156/].
In case that link breaks:
The failed tests:
{code}
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.Read data
available only in block manager, not in write ahead log
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.Read data
available only in write ahead log, not in block manager
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.Read data
available only in write ahead log, and test storing in block manager
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.Read data with
partially available in block manager, and rest in write ahead log
{code}
The error messages are all (essentially) the same:
{code}
java.lang.IllegalStateException: File exists and there is no append
support!
at
org.apache.spark.streaming.util.HdfsUtils$.getOutputStream(HdfsUtils.scala:33)
at
org.apache.spark.streaming.util.WriteAheadLogWriter.org$apache$spark$streaming$util$WriteAheadLogWriter$$stream$lzycompute(WriteAheadLogWriter.scala:34)
at
org.apache.spark.streaming.util.WriteAheadLogWriter.org$apache$spark$streaming$util$WriteAheadLogWriter$$stream(WriteAheadLogWriter.scala:34)
at
org.apache.spark.streaming.util.WriteAheadLogWriter.<init>(WriteAheadLogWriter.scala:42)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.writeLogSegments(WriteAheadLogBackedBlockRDDSuite.scala:140)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.org$apache$spark$streaming$rdd$WriteAheadLogBackedBlockRDDSuite$$testRDD(WriteAheadLogBackedBlockRDDSuite.scala:95)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite$$anonfun$4.apply$mcV$sp(WriteAheadLogBackedBlockRDDSuite.scala:67)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite$$anonfun$4.apply(WriteAheadLogBackedBlockRDDSuite.scala:67)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite$$anonfun$4.apply(WriteAheadLogBackedBlockRDDSuite.scala:67)
at
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
at org.scalatest.Suite$class.withFixture(Suite.scala:1122)
at org.scalatest.FunSuite.withFixture(FunSuite.scala:1555)
at
org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
at
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
at
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
at org.scalatest.FunSuite.runTest(FunSuite.scala:1555)
at
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
at
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
at
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
at
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
at scala.collection.immutable.List.foreach(List.scala:318)
at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
at
org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
at org.scalatest.Suite$class.run(Suite.scala:1424)
at
org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.org$scalatest$BeforeAndAfterAll$$super$run(WriteAheadLogBackedBlockRDDSuite.scala:31)
at
org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
at
org.apache.spark.streaming.rdd.WriteAheadLogBackedBlockRDDSuite.run(WriteAheadLogBackedBlockRDDSuite.scala:31)
at org.scalatest.Suite$class.callExecuteOnSuite$1(Suite.scala:1492)
at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1528)
at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1526)
at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108)
at org.scalatest.Suite$class.runNestedSuites(Suite.scala:1526)
at
org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:29)
at org.scalatest.Suite$class.run(Suite.scala:1421)
at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:29)
at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:55)
at
org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2563)
at
org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2557)
at scala.collection.immutable.List.foreach(List.scala:318)
at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2557)
at
org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
at
org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
at
org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
at
org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
at org.scalatest.tools.Runner$.main(Runner.scala:860)
at org.scalatest.tools.Runner.main(Runner.scala)
{code}
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