Hi, I just built Spark 1.3 master using maven via make-distribution.sh;
./make-distribution.sh --name mapr3 --skip-java-test --tgz -Pmapr3 -Phive -Phive-thriftserver -Phive-0.12.0 When trying to start the standalone spark master on a cluster I get the following stack trace; 15/02/04 08:53:56 INFO slf4j.Slf4jLogger: Slf4jLogger started 15/02/04 08:53:56 INFO Remoting: Starting remoting 15/02/04 08:53:56 INFO Remoting: Remoting started; listening on addresses :[akka.tcp://sparkMaster@hadoop-009:7077] 15/02/04 08:53:56 INFO Remoting: Remoting now listens on addresses: [akka.tcp://sparkMaster@hadoop-009:7077] ...skipping... at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at akka.util.Reflect$.instantiate(Reflect.scala:66) at akka.actor.ArgsReflectConstructor.produce(Props.scala:352) at akka.actor.Props.newActor(Props.scala:252) at akka.actor.ActorCell.newActor(ActorCell.scala:552) at akka.actor.ActorCell.create(ActorCell.scala:578) ... 9 more Caused by: java.lang.NoClassDefFoundError: javax/servlet/FilterRegistration at org.spark-project.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:136) at org.spark-project.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:129) at org.spark-project.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:98) at org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:96) at org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:87) at org.apache.spark.ui.WebUI.attachPage(WebUI.scala:67) at org.apache.spark.deploy.master.ui.MasterWebUI.initialize(MasterWebUI.scala:40) at org.apache.spark.deploy.master.ui.MasterWebUI.<init>(MasterWebUI.scala:36) at org.apache.spark.deploy.master.Master.<init>(Master.scala:95) ... 18 more Caused by: java.lang.ClassNotFoundException: javax.servlet.FilterRegistration 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) ... 27 more The distro seems about the right size (260MB, so I dont imagine any of the libraries are missing. The above command worked on 1.2... Any ideas whats going wrong? Cheers, N