It is fixed here https://github.com/apache/zeppelin/pull/4105
Sylvain Gibier <sylv...@apefactory.com> 于2021年5月1日周六 下午2:37写道： > Hi, > > Cf. ZEPPELIN-5337. > > Switching to isolated mode is not really an option - as it means one spark > interpreter per note. per user -- which consumes a lot of resources, as > there is no mechanism to clean k8s pods created afterwards. The scope mode > allows us to share the spark interpreter along with our 100+ analysts. > > > On Fri, Apr 30, 2021 at 5:05 PM moon soo Lee <m...@apache.org> wrote: > >> Hi, >> >> Thanks for sharing the issue. >> >> I tried zeppelin 0.9+ on k8s with per note scoped, scala 2.12, spark 3.0+. >> And I could reproduce the problem. But isolated mode works without >> problem. >> Does isolated mode work for your use case? >> >> Best, >> moon >> >> >> >> On Tue, Apr 27, 2021 at 12:39 PM Sylvain Gibier <sylv...@apefactory.com> >> wrote: >> >>> Any idea? >>> >>> Actually anyone using zeppelin 0.9+ on k8s, with spark interpreter scope >>> per note ? >>> >>> >>> On 2021/04/24 10:46:06, Sylvain Gibier <sylv...@apefactory.com> wrote: >>> > Hi, >>> > >>> > we have an issue with our current deployment of zeppelin on k8s, and >>> more >>> > precisely with spark interpreter. >>> > >>> > For reference - the spark context is: scala 2.12.10 / spark 2.4.7 >>> > >>> > We have a weird behaviour, running the spark interpreter in per note, >>> scoped >>> > >>> > To reproduce currently - we restart the spark interpreter in scoped per >>> > note, and create two notebooks (A & B) with the same following code: >>> > >>> > %spark >>> > > import spark.implicits._ >>> > > >>> > > List(1, 2, 3).toDS.map(_ + 1).show >>> > > >>> > >>> > 1- we run notebook A successfully >>> > 2 - we run notebook B - it fails with class cast exception >>> > >>> > org.apache.spark.SparkException: Job aborted due to stage failure: >>> Task 0 >>> > > in stage 24.0 failed 4 times, most recent failure: Lost task 0.3 in >>> stage >>> > > 24.0 (TID 161, 10.11.18.133, executor 2): >>> java.lang.ClassCastException: >>> > > cannot assign instance of java.lang.invoke.SerializedLambda to field >>> > > org.apache.spark.rdd.MapPartitionsRDD.f of type scala.Function3 in >>> instance >>> > > of org.apache.spark.rdd.MapPartitionsRDD at >>> > > >>> java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2287) >>> > > at >>> java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1417) >>> > > at >>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2293) >>> > > >>> > >>> > Anyone having a working zeppelin deployment with k8s / spark 2.4 - >>> scala >>> > 2.12 ? >>> > >>> > or let anyone interested to make some $$$ to help us fix the issue? >>> > >>> > cheers >>> > >>> >> -- Best Regards Jeff Zhang
