IDEA运行spark 报错，如何解决？

Question

Exception in thread "main" java.lang.NoSuchMethodError: scala.util.matching.Regex.<init>(Ljava/lang/String;Lscala/collection/Seq;)V
    at scala.collection.immutable.StringLike.r(StringLike.scala:284)
    at scala.collection.immutable.StringLike.r$(StringLike.scala:284)
    at scala.collection.immutable.StringOps.r(StringOps.scala:33)
    at scala.collection.immutable.StringLike.r(StringLike.scala:273)
    at scala.collection.immutable.StringLike.r$(StringLike.scala:273)
    at scala.collection.immutable.StringOps.r(StringOps.scala:33)
    at org.apache.spark.util.Utils$.<init>(Utils.scala:109)
    at org.apache.spark.util.Utils$.<clinit>(Utils.scala)
    at org.apache.spark.SparkConf.loadFromSystemProperties(SparkConf.scala:75)
    at org.apache.spark.SparkConf.<init>(SparkConf.scala:70)
    at org.apache.spark.SparkConf.<init>(SparkConf.scala:59)
    at cn.edu.nbpt.wordcount$.main(wordcount.scala:8)
    at cn.edu.nbpt.wordcount.main(wordcount.scala)

Process finished with exit code 1

Answer 1

从报错信息来看，Spark和Scala版本不兼容引起的。建议检查下Spark和Scala版本是否匹配。