I just built with Java 1.6 and everything was successful. I tested with 1.7 before committing it and that was successful as well.
> Date: Mon, 22 Sep 2014 09:05:46 -0700 > Subject: Any idea why h20 module compilation is crashing? > From: dlie...@gmail.com > To: user@mahout.apache.org > > Hello, > > i checked out for the first time the h20 commit, doesn't compile per below . > > scala 2.10.4, > java 1.7 > > java -version > java version "1.7.0_51" > Java(TM) SE Runtime Environment (build 1.7.0_51-b13) > Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode) > > scala -version > Scala code runner version 2.10.4 -- Copyright 2002-2013, LAMP/EPFL > dmitriy@Intel-KUBU:~/projects/github/mahout-commits/h2o$ > > > compilation failure: > > [INFO] includes = [**/*.scala,**/*.java,] > [INFO] excludes = [] > [INFO] /home/dmitriy/projects/github/mahout-commits/h2o/src/main/java:-1: > info: compiling > [INFO] /home/dmitriy/projects/github/mahout-commits/h2o/src/main/scala:-1: > info: compiling > [INFO] Compiling 25 source files to > /home/dmitriy/projects/github/mahout-commits/h2o/target/classes at > 1411401772429 > [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) > [INFO] > [INFO] > ------------------------------------------------------------------------ > [INFO] BUILD FAILURE > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: 3.925s > [INFO] Finished at: Mon Sep 22 09:02:53 PDT 2014 > [INFO] Final Memory: 12M/219M > [INFO] > ------------------------------------------------------------------------ > [ERROR] Failed to execute goal > org.scala-tools:maven-scala-plugin:2.15.2:compile (scala-compile-first) on > project mahout-h2o: wrap: org.apache.commons.exec.ExecuteException: Process > exited with an error: 1(Exit value: 1) -> [Hel