it seems that you have more than one jar under assembly/target/scala-2.9.3/ directory
just remove all but one -- Nan Zhu On Sunday, January 5, 2014 at 10:37 PM, danoomistmatiste wrote: > Hi, I have installed and built spark-0.8.1-incubating-bin-cdh4 with sbt/sbt > assembly. I am running this with scala 2.9.3. When i try to start spark > master (./start-master.sh (http://start-master.sh)), I get this error message. > > failed to launch org.apache.spark.deploy.master.Master: > spark-assembly_2.9.3-0.8.1-incubating-hadoop2.0.0-mr1-cdh4.2.0.jar > Please remove all but one jar. > full log in > /Users/hadoop/spark-0.8.1-incubating-bin-cdh4/bin/../logs/spark-hadoop-org.apache.spark.deploy.master.Master-1-localhost.out > > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/Cannot-start-spark-master-tp301.html > Sent from the Apache Spark User List mailing list archive at Nabble.com > (http://Nabble.com). > >
