Hello, You should checkout v0.5.0-rc5: https://github.com/apache/incubator-toree/releases/tag/v0.5.0-incubating-rc5 which includes support for Spark 3.2.
On 2022/02/17 22:27:30 Artemis User wrote: > After looking at the Toree's Readme on github, I realized that the toree > version 0.4.x only supports Spark version 2.x, whereas the master branch > supports Spark 3.2.x. Could someone confirm this? In addition, is a > distribution package of toree from the master branch available? > > Thanks! > > On 2/17/22 4:57 PM, Artemis User wrote: > > Hi Toree Dev Team, Could someone please help with resolving the > > following error when starting the Toree Scala Kernel inside Jupyter? > > My configuration settings: > > > > * JupyterHub version 3.2.9 > > * OpenJDK 11 > > * Spark 3.2.0 with Scala version 2.12 > > * Apache Toree 0.4.0-incubating > > > > Thanks a lot for your help! > > > > Exception in thread "main" java.lang.NoClassDefFoundError: > > scala/App$class > > at org.apache.toree.Main$.<init>(Main.scala:24) > > at org.apache.toree.Main$.<clinit>(Main.scala) > > at org.apache.toree.Main.main(Main.scala) > > at > > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native > > Method) > > at > > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > > at > > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > at java.base/java.lang.reflect.Method.invoke(Method.java:566) > > at > > org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52) > > at > > org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:955) > > at > > org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:180) > > at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:203) > > at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:90) > > at > > org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1043) > > at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1052) > > at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) > > Caused by: java.lang.ClassNotFoundException: scala.App$class > > at > > java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:476) > > at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) > > at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) > > ... 15 more > > > >
