我正在尝试使用SparklyR连接到本地Spark集群。我已经安装了spark 2.4.2和hadoop 2.6。我正在使用以下命令
sc <- spark_connect(master = "yarn-client", version="1.6.0", app_name="test")
我收到以下错误
Error in force(code) :
Failed while connecting to sparklyr to port (8880) for sessionid (5608): Gateway in localhost:8880 did not respond.
Path: /opt/spark-2.4.2-bin-hadoop2.6/bin/spark-submit
Parameters: --class, sparklyr.Shell, --jars, '/usr/lib64/R/library/sparklyr/java/spark-csv_2.10-1.5.0.jar','/usr/lib64/R/library/sparklyr/java/commons-csv-1.1.jar','/usr/lib64/R/library/sparklyr/java/univocity-parsers-1.5.1.jar', '/usr/lib64/R/library/sparklyr/java/sparklyr-1.6-2.10.jar', 8880, 5608
Log: /tmp/Rtmpr5HKVA/file26231ccf5f5_spark.log
---- Output Log ----
Exception in thread "main" java.lang.NoSuchMethodError:
scala.Predef$.refArrayOps([Ljava/lang/Object;)Lscala/collection/mutable/ArrayOps;
at sparklyr.Shell$.main(shell.scala:9)
at sparklyr.Shell.main(shell.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:849)
at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:167)
at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:195)
at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86)
at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:924)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:933)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
log4j:WARN No appenders could be found for logger (org.apache.spark.util.ShutdownHookManager).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
她的E怎么了?