javac is in $JAVA_HOME/bin/javac on Mac OS installations. It has always worked fine on my Mac and for many other developers. You probably have an env problem, like: that's not actually where java is, or this isn't the JAVA_HOME actually reaching your build. On Sat, Dec 1, 2018 at 9:53 PM wuyi <ngone_5...@163.com> wrote: > > Dear all, > > I use cmd "*./build/mvn -Pyarn -Phadoop-2.7 -Dhadoop.version=2.7.6 > -DskipTests clean package*" to > compile Spark2.4, but failed on Spark Project Tags, which throws error: > > *Cannot run program > "/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/jre/bin/javac": > error=2, No such file or directory* > > And I double check my > JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home, > and > cmd "java -version" can be executed successfully, also for "javac -help". > > > Here's some compile info: > > INFO] Using zinc server for incremental compilation > [INFO] Toolchain in scala-maven-plugin: > */Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/jre* > [warn] Pruning sources from previous analysis, due to incompatible > CompileSetup. > [info] Compiling 2 Scala sources and 8 Java sources to > /Users/wuyi/workspace/spark/common/tags/target/scala-2.12/classes... > [error] Cannot run program > "/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/jre/bin/javac": > error=2, No such file or directory > > > I guess maven should find *javac* under directory *$JAVA_HOME/bin*, but why > it goes to *$JAVA_HOME/jre/bin * ? > > I'd appreciate a lot if any devs could give me a hint. THANKS. > > Best wishes. > wuyi > > > > > -- > Sent from: http://apache-spark-developers-list.1001551.n3.nabble.com/ > > --------------------------------------------------------------------- > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org >
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