Hello Sean, Please find below the stack trace-
java.lang.NoclassDefFoundError: Could not initialize class org.spark.project.jetty.servlet.ServletContextHandler at org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:143) at org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:130) at org.apache.spark.ui.WebUI.attachPage(WebUI.scala:89) at org.apache.spark.ui.WebUI$$anonfun$attachTab$1.apply(WebUI.scala:71) at org.apache.spark.ui.WebUI$$anonfun$attachTab$1.apply(WebUI.scala:71) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) at org.apache.spark.ui.WebUI.attachTab(WebUI.scala:71) at org.apache.spark.ui.SparkUI.initialize(SparkUI.scala:62) at org.apache.spark.ui.SparkUI.<init>(SparkUI.scala:80) at org.apache.spark.ui.SparkUI$.create(SparkUI.scala:178) at org.apache.spark.SparkContext.<init>(SparkContext.scala:444) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2526) at org.apache.spark.SparkContext.getOrCreate(SparkContext.scala) Any help regarding this, much appreciated. Thank you Kanchan Kauthale On Tue, Jun 1, 2021 at 12:49 PM Kanchan Kauthale < kanchankauthal...@gmail.com> wrote: > Thank you Sean for having look at my query. I am checking environment at > my end. > > The code belong to my organization environment and I don't have it in my > local environment so waiting for confirmation from compliance team to get > the error and stack trace out of organization environment. > > I will get back to you. > > Thank you again > Kanchan Kauthale > > On Thu, May 27, 2021, 18:52 Sean Owen <sro...@gmail.com> wrote: > >> Despite the name, the error doesn't mean the class isn't found but could >> not be initialized. What's the rest of the error? >> I don't believe any testing has ever encountered this error, so it's >> likely something to do with your environment, but I don't know what. >> >> On Thu, May 27, 2021 at 7:32 AM Kanchan Kauthale < >> kanchankauthal...@gmail.com> wrote: >> >>> Hello, >>> >>> We have an existing project which works fine with Spark 2.4.7. We want >>> to upgrade the spark version to 2.4.8. Scala version we are using is- 2.11 >>> After building with upgraded pom, we are getting error below for test cases- >>> >>> java.lang.NoClassDefFoundError: Could not initialize class >>> org.spark_object.jetty.servlet.ServletContextHandler >>> at >>> org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:143) >>> >>> When I checked in Maven dependencies, I could find the >>> ServletContextHandlerclass under spark-core_2.11-2.4.8.jar in given package >>> hierarchy. I have compiled code, dependencies have been resolved, classpath >>> is updated. >>> >>> Any hint regarding this error would help. >>> >>> >>> Thank you >>> >>> Kanchan >>> >>
