Or you just have zinc running but in a bad state. `zinc -shutdown` should kill it off and let you try again.
On Sun, Nov 26, 2017 at 2:12 PM, Sean Owen <so...@cloudera.com> wrote: > I'm not seeing that on OS X or Linux. It sounds a bit like you have an old > version of zinc or scala or something installed. > > On Sun, Nov 26, 2017 at 3:55 PM Tomasz Dudek < > megatrontomaszdu...@gmail.com> wrote: > >> Hello everyone, >> >> I would love to help develop Apache Spark. I have run into a (very >> basic?) issue which holds me in that mission. >> >> I followed the `how to contribute` guide, however running ./build/mvn >> -DskipTests clean package fails with: >> >> [INFO] Using zinc server for incremental compilation >> [info] 'compiler-interface' not yet compiled for Scala 2.11.8. >> Compiling... >> error: scala.reflect.internal.MissingRequirementError: object >> java.lang.Object in compiler mirror not found. >> at scala.reflect.internal.MissingRequirementError$.signal( >> MissingRequirementError.scala:17) >> at scala.reflect.internal.MissingRequirementError$.notFound( >> MissingRequirementError.scala:18) >> at scala.reflect.internal.Mirrors$RootsBase. >> getModuleOrClass(Mirrors.scala:53) >> >> is it perhaps compability issue? Versions I use are as follows: >> >> ➜ spark git:(master) ✗ ./build/mvn --version >> Using `mvn` from path: /Users/tdudek/Programming/ >> spark/build/apache-maven-3.3.9/bin/mvn >> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; >> 2015-11-10T17:41:47+01:00) >> Maven home: /Users/tdudek/Programming/spark/build/apache-maven-3.3.9 >> Java version: 1.8.0_152, vendor: Oracle Corporation >> Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_ >> 152.jdk/Contents/Home/jre >> Default locale: en_PL, platform encoding: US-ASCII >> OS name: "mac os x", version: "10.13.1", arch: "x86_64", family: "mac" >> >> I just lost few hours mindlessly trying to make it work. I hate to waste >> other peoples' time and I'm REALLY ashamed at my question, but I think I am >> missing something fundamental. >> >> Cheers, >> Tomasz >> >
