小编Mer*_*OUR的帖子

我的 spark 项目运行正常（2.4.0），但是当我添加下一个依赖项时：

            <dependency>
                <groupId>org.apache.spark</groupId>
                <artifactId>spark-streaming_2.12</artifactId>
                <version>2.4.2</version>
                <scope>provided</scope>
             </dependency>

我有下一个堆栈跟踪：

Exception in thread "main" java.lang.NoSuchMethodError: scala.Product.$init$(Lscala/Product;)V
    at scala.xml.Null$.<init>(Null.scala:23)
    at scala.xml.Null$.<clinit>(Null.scala)
    at org.apache.spark.ui.jobs.AllJobsPage.<init>(AllJobsPage.scala:43)
    at org.apache.spark.ui.jobs.JobsTab.<init>(JobsTab.scala:45)
    at org.apache.spark.ui.SparkUI.initialize(SparkUI.scala:61)
    at org.apache.spark.ui.SparkUI.<init>(SparkUI.scala:80)
    at org.apache.spark.ui.SparkUI$.create(SparkUI.scala:175)
    at org.apache.spark.SparkContext.<init>(SparkContext.scala:444)
    at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2520)
    at org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:935)
    at org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:926)
    at scala.Option.getOrElse(Option.scala:121)
    at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:926)
    at package.SparkUtils.initSession(SparkUtils.java:23)
    at package.MainClass.main(MainClass.java:80)