Github user fpompermaier commented on the pull request:
https://github.com/apache/flink/pull/1915#issuecomment-212390687
With this last commit we improved test stability. With respect to other PR
(that fails in all configuration) this PR fails only in the last one, when
compiling **flink-ml**. However, this is an error that happens all the times
(looking at other PRs) so it should be definitely fixed IMHO.
The error is:
```
--- maven-scala-plugin:2.15.2:compile (default) @ flink-ml_2.10 ---
[INFO] Checking for multiple versions of scala
[INFO] includes = [**/*.scala,**/*.java,]
[INFO] excludes = []
[INFO]
/home/travis/build/apache/flink/flink-libraries/flink-ml/src/main/scala:-1:
info: compiling
[INFO] Compiling 43 source files to
/home/travis/build/apache/flink/flink-libraries/flink-ml/target/classes at
1461086334646
[ERROR] error: error while loading <root>, error in opening zip file
[ERROR] error: scala.reflect.internal.MissingRequirementError: object
scala.runtime in compiler mirror not found.
[ERROR] at
scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.scala:16)
[ERROR] at
scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.scala:17)
[INFO] at
scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:48)
[INFO] at
scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:40)
[INFO] at
scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61)
[INFO] at
scala.reflect.internal.Mirrors$RootsBase.getPackage(Mirrors.scala:172)
[INFO] at
scala.reflect.internal.Mirrors$RootsBase.getRequiredPackage(Mirrors.scala:175)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackage$lzycompute(Definitions.scala:183)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackage(Definitions.scala:183)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackageClass$lzycompute(Definitions.scala:184)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackageClass(Definitions.scala:184)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.AnnotationDefaultAttr$lzycompute(Definitions.scala:1024)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.AnnotationDefaultAttr(Definitions.scala:1023)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.syntheticCoreClasses$lzycompute(Definitions.scala:1153)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.syntheticCoreClasses(Definitions.scala:1152)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.symbolsNotPresentInBytecode$lzycompute(Definitions.scala:1196)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.symbolsNotPresentInBytecode(Definitions.scala:1196)
[INFO] at
scala.reflect.internal.Definitions$DefinitionsClass.init(Definitions.scala:1261)
[INFO] at scala.tools.nsc.Global$Run.<init>(Global.scala:1290)
[INFO] at scala.tools.nsc.Driver.doCompile(Driver.scala:32)
[INFO] at scala.tools.nsc.Main$.doCompile(Main.scala:79)
[INFO] at scala.tools.nsc.Driver.process(Driver.scala:54)
[INFO] at scala.tools.nsc.Driver.main(Driver.scala:67)
[INFO] at scala.tools.nsc.Main.main(Main.scala)
[INFO] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[INFO] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[INFO] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[INFO] at java.lang.reflect.Method.invoke(Method.java:606)
[INFO] at
org_scala_tools_maven_executions.MainHelper.runMain(MainHelper.java:161)
[INFO] at
org_scala_tools_maven_executions.MainWithArgsInFile.main(MainWithArgsInFile.java:26)
```
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