scala - an error in spark sbt assembly -

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in spark installing readme,i write command './bin/spark-shell', got hint follwing:

found multiple spark assembly jars in /opt/spark-0.9.0-incubating-bin-hadoop1/assembly/target/scala-2.10: spark-assembly-0.9.0-incubating-hadoop1.0.4.jar spark-assembly_2.10-0.9.0-incubating-hadoop1.0.4.jar please remove 1 jar.

i ever try remove 1 of them ,but fail success. if can deal ,please tell me. thanks.

all need cd assembly/target/scala-2.10 dir, , use sbt compile again.

this caused incompatible between different compile method, may used maven , sbt both?


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