You're somehow building with Java 6. At least this is what the error means.
On Fri, Jan 29, 2016, 05:25 Carlile, Ken <carli...@janelia.hhmi.org> wrote: > I am attempting to build Spark 1.6.0 from source on EL 6.3, using Oracle > jdk 1.8.0.45, Python 2.7.6, and Scala 2.10.3. When I try to issue > build/mvn/ -DskipTests clean package, I get the following: > > [INFO] Using zinc server for incremental compilation > [info] Compiling 3 Java sources to > /misc/local/spark-versions/spark-1.6.0-patched/spark-1.6.0/tags/target/scala-2.10/classes... > [error] javac: invalid source release: 1.7 > [error] Usage: javac <options> <source files> > [error] use -help for a list of possible options > [error] Compile failed at Jan 28, 2016 8:56:36 AM [0.113s] > > I tried changing the pom.xml to have java version as 1.8, but I just got > the same error with invalid source release: 1.8 instead of 1.7. > > My java -version and javac -version are reporting as 1.8.0.45, and I have > the JAVA_HOME env set. Anyone have any ideas? > > Incidentally, building 2.0.0 from source worked fine… > > Thanks, > Ken
