在windows 下启动spark 出现如下错误
"C:\Program Files\Java\jdk1.8.0_31\bin\java" -cp "C:\spark\conf\;C:\spark\jars\*" "-Dscala.usejavacp=true" -Xmx1g org.apache.spark.deploy.SparkSubmit --class org.apache.spark.repl.Main --name "Spark shell" spark-shell
"C:\Program Files\Java\jdk1.8.0_31\bin\java" -cp "C:\spark\conf\;C:\spark\jars\*" "-Dscala.usejavacp=true" -Xmx1g org.apache.spark.deploy.SparkSubmit --class org.apache.spark.repl.Main --name "Spark shell" spark-shell