Spark Scala error while loading BytesWritable, invalid LOC header (bad signature)
<p>Using <code>sbt package</code> I have the following error</p>

<blockquote>
  <p>Spark Scala error while loading BytesWritable, invalid LOC header (bad signature)</p>
</blockquote>

<p>My code is </p>

<pre><code>....
import org.apache.spark.SparkContext
import org.apache.spark.SparkContext._
import org.apache.spark.SparkConf
......

object Test{
    def main(args: Array[String]) {
    val conf = new SparkConf().setAppName("Test")
    val sc = new SparkContext(conf) // the error is due by this 
    ...... 
    }
}
</code></pre>