Cool. Nice to not have to set this any more. best, Colin
On Sun, Jun 1, 2014 at 11:21 AM, Patrick Wendell <pwend...@gmail.com> wrote: > I went ahead and created a JIRA for this and back ported the > improvement into branch-1.0. This wasn't a regression per-se because > the behavior existed in all previous versions, but it's annoying > behavior so best to fix it. > > https://issues.apache.org/jira/browse/SPARK-1984 > > - Patrick > > On Sun, Jun 1, 2014 at 11:13 AM, Patrick Wendell <pwend...@gmail.com> > wrote: > > This is a false error message actually - the Maven build no longer > > requires SCALA_HOME but the message/check was still there. This was > > fixed recently in master: > > > > > https://github.com/apache/spark/commit/d8c005d5371f81a2a06c5d27c7021e1ae43d7193 > > > > I can back port that fix into branch-1.0 so it will be in 1.0.1 as > > well. For other people running into this, you can export SCALA_HOME to > > any value and it will work. > > > > - Patrick > > > > On Sat, May 31, 2014 at 8:34 PM, Colin McCabe <cmcc...@alumni.cmu.edu> > wrote: > >> Spark currently supports two build systems, sbt and maven. sbt will > >> download the correct version of scala, but with Maven you need to > supply it > >> yourself and set SCALA_HOME. > >> > >> It sounds like the instructions need to be updated-- perhaps create a > JIRA? > >> > >> best, > >> Colin > >> > >> > >> On Sat, May 31, 2014 at 7:06 PM, Soren Macbeth <so...@yieldbot.com> > wrote: > >> > >>> Hello, > >>> > >>> Following the instructions for building spark 1.0.0, I encountered the > >>> following error: > >>> > >>> [ERROR] Failed to execute goal > >>> org.apache.maven.plugins:maven-antrun-plugin:1.7:run (default) on > project > >>> spark-core_2.10: An Ant BuildException has occured: Please set the > >>> SCALA_HOME (or SCALA_LIBRARY_PATH if scala is on the path) environment > >>> variables and retry. > >>> [ERROR] around Ant part ...<fail message="Please set the SCALA_HOME (or > >>> SCALA_LIBRARY_PATH if scala is on the path) environment variables and > >>> retry.">... @ 6:126 in > >>> /Users/soren/src/spark-1.0.0/core/target/antrun/build-main.xml > >>> > >>> No where in the documentation does it mention that having scala > installed > >>> and either of these env vars set nor what version should be installed. > >>> Setting these env vars wasn't required for 0.9.1 with sbt. > >>> > >>> I was able to get past it by downloading the scala 2.10.4 binary > package to > >>> a temp dir and setting SCALA_HOME to that dir. > >>> > >>> Ideally, it would be nice to not have to require people to have a > >>> standalone scala installation but at a minimum this requirement should > be > >>> documented in the build instructions no? > >>> > >>> -Soren > >>> >
