As I remember, you also need to change guava and jetty related dependency to compile if you run to run SparkPi in intellij.
On Tue, Aug 25, 2015 at 3:15 PM, Hemant Bhanawat <hemant9...@gmail.com> wrote: > Go to the module settings of the project and in the dependencies section > check the scope of scala jars. It would be either Test or Provided. Change > it to compile and it should work. Check the following link to understand > more about scope of modules: > > > https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html > > > > On Tue, Aug 25, 2015 at 12:18 PM, Todd <bit1...@163.com> wrote: > >> I cloned the code from https://github.com/apache/spark to my machine. It >> can compile successfully, >> But when I run the sparkpi, it throws an exception below complaining the >> scala.collection.Seq is not found. >> I have installed scala2.10.4 in my machine, and use the default profiles: >> window,scala2.10,maven-3,test-java-home. >> In Idea, I can find that the Seq class is on my classpath: >> >> >> >> >> >> Exception in thread "main" java.lang.NoClassDefFoundError: >> scala/collection/Seq >> at org.apache.spark.examples.SparkPi.main(SparkPi.scala) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:606) >> at >> com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) >> Caused by: java.lang.ClassNotFoundException: scala.collection.Seq >> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:425) >> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:358) >> ... 6 more >> >> > -- Best Regards Jeff Zhang
