That's right arvindsheri...@northwesternmutual.com <arvindsheri...@northwesternmutual.com> 于2019年4月29日周一 下午10:33写道：
> Ok, I talked to the DSE architect and he told me that they had to do a > security patch (spark version example -> 2.2.2.5), which broke this piece > of zeppelin code - *bolded*. > > > https://github.com/apache/zeppelin/blob/735064fdc57ae958fabae85b399bb5af3cb79144/spark/interpreter/src/main/scala/org/apache/spark/SparkRBackend.scala#L34-L44 > > > > def init(version: SparkVersion) : Unit = { > > val rBackendClass = classOf[RBackend] > > *if** (version.isSecretSocketSupported)* { > > val result = rBackendClass.getMethod("init").invoke(backend). > asInstanceOf[Tuple2[Int, Object]] > > portNumber = result._1 > > val rAuthHelper = result._2 > > secret = rAuthHelper.getClass.getMethod("secret" > ).invoke(rAuthHelper).asInstanceOf[String] > > } else { > > * portNumber **=** rBackendClass.getMethod(**"init"* > *).invoke(backend).**asInstanceOf**[**Int**]* > > } > > } > > > > > > *From: *"arvindsheri...@northwesternmutual.com" < > arvindsheri...@northwesternmutual.com> > *Reply-To: *"users@zeppelin.apache.org" <users@zeppelin.apache.org> > *Date: *Monday, April 29, 2019 at 9:01 AM > *To: *"users@zeppelin.apache.org" <users@zeppelin.apache.org> > *Subject: *Re: [EXTERNAL] Re: Issue working with R/SparkR > > > > DataStax distribution version 6.7 > > > > *From: *Jeff Zhang <zjf...@gmail.com> > *Reply-To: *"users@zeppelin.apache.org" <users@zeppelin.apache.org> > *Date: *Sunday, April 28, 2019 at 11:01 PM > *To: *users <users@zeppelin.apache.org> > *Subject: *[EXTERNAL] Re: Issue working with R/SparkR > > > > Which spark version do you use ? > > > > arvindsheri...@northwesternmutual.com < > arvindsheri...@northwesternmutual.com> 于2019年4月29日周一 上午10:23写道： > > https://zeppelin.apache.org/docs/0.8.1/interpreter/r.html > <https://urldefense.proofpoint.com/v2/url?u=https-3A__zeppelin.apache.org_docs_0.8.1_interpreter_r.html&d=DwMFaQ&c=oBIBfyrVf5fVcKOfTTdY_d7WoqYVCfQW6jezwvkj5jg&r=2ozYxxrO5uy6i7CP-nMc0wdBTNfkSGa4age9CqpA0b3LBZZ_7ZITfmsqWijkzea1&m=R9XdjivdKYjYFmH_RUlm1VSWtiBcfNWHMgP6hbxtMJI&s=-p1MV9gJn5XAIepg-nkje92IM9e_kPaXsv8m7AYXSnA&e=> > > > > I am trying out a basic command as shown in the link above and I get the > following error. Any help will be appreciated. > > > > *%spark.r * > > *2+2* > > > > *java.lang.ClassCastException: scala.Tuple2 cannot be cast to > java.lang.Integer* at > scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:101) at > org.apache.spark.SparkRBackend$.init(SparkRBackend.scala:42) at > org.apache.spark.SparkRBackend.init(SparkRBackend.scala) at > org.apache.zeppelin.spark.SparkRInterpreter.open(SparkRInterpreter.java:88) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:616) > at org.apache.zeppelin.scheduler.Job.run(Job.java:188) at > org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:140) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > > > > Thanks > > Arvind > > > > This e-mail and any attachments may contain confidential information of > Northwestern Mutual. If you are not the intended recipient of this message, > be aware that any disclosure, copying, distribution or use of this e-mail > and any attachments is prohibited. If you have received this e-mail in > error, please notify Northwestern Mutual immediately by returning it to the > sender and delete all copies from your system. Please be advised that > communications with {SECURE MESSAGE} in the subject line have been sent > using a secure messaging system. Communications that do not have this tag > may not be secure and could be observed by a third party. Thank you for > your cooperation. > > > > > > -- > > Best Regards > > Jeff Zhang > > > > This e-mail and any attachments may contain confidential information of > Northwestern Mutual. If you are not the intended recipient of this message, > be aware that any disclosure, copying, distribution or use of this e-mail > and any attachments is prohibited. If you have received this e-mail in > error, please notify Northwestern Mutual immediately by returning it to the > sender and delete all copies from your system. Please be advised that > communications with {SECURE MESSAGE} in the subject line have been sent > using a secure messaging system. Communications that do not have this tag > may not be secure and could be observed by a third party. Thank you for > your cooperation. > > > > This e-mail and any attachments may contain confidential information of > Northwestern Mutual. If you are not the intended recipient of this message, > be aware that any disclosure, copying, distribution or use of this e-mail > and any attachments is prohibited. If you have received this e-mail in > error, please notify Northwestern Mutual immediately by returning it to the > sender and delete all copies from your system. Please be advised that > communications with {SECURE MESSAGE} in the subject line have been sent > using a secure messaging system. Communications that do not have this tag > may not be secure and could be observed by a third party. Thank you for > your cooperation. > > > -- Best Regards Jeff Zhang
