Unable to start Spark2-shell successfully

[#1]

Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/SPARK2-2.1.0.cloudera2-1.cdh5.7.0.p0.171658/lib/spark2/jars/spark-streaming-kafka-assembly_2.10-1.3.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/SPARK2-2.1.0.cloudera2-1.cdh5.7.0.p0.171658/lib/spark2/jars/spark-streaming-kafka-assembly_2.11-1.4.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/cloudera/parcels/CDH-5.14.2-1.cdh5.14.2.p0.3/jars/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
18/07/10 10:50:27 WARN spark.SparkContext: Support for Java 7 is deprecated as of Spark 2.0.0
java.lang.NoSuchMethodError: org.apache.hadoop.conf.Configuration.addDeprecations([Lorg/apache/hadoop/conf/Configuration$DeprecationDelta;)V
at org.apache.hadoop.yarn.conf.YarnConfiguration.addDeprecatedKeys(YarnConfiguration.java:82)
at org.apache.hadoop.yarn.conf.YarnConfiguration.<clinit>(YarnConfiguration.java:76)
at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil.newConfiguration(YarnSparkHadoopUtil.scala:64)
at org.apache.spark.deploy.SparkHadoopUtil.<init>(SparkHadoopUtil.scala:50)
at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil.<init>(YarnSparkHadoopUtil.scala:49)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at org.apache.spark.deploy.SparkHadoopUtil$.liftedTree1$1(SparkHadoopUtil.scala:387)
at org.apache.spark.deploy.SparkHadoopUtil$.yarn$lzycompute(SparkHadoopUtil.scala:385)
at org.apache.spark.deploy.SparkHadoopUtil$.yarn(SparkHadoopUtil.scala:385)
at org.apache.spark.deploy.SparkHadoopUtil$.get(SparkHadoopUtil.scala:410)
at org.apache.spark.util.Utils$.getSparkOrYarnConfig(Utils.scala:2360)
at org.apache.spark.storage.BlockManager.<init>(BlockManager.scala:110)
at org.apache.spark.SparkEnv$.create(SparkEnv.scala:349)
at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:174)
at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:258)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:435)
at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2325)
at org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:876)
at org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:868)
at scala.Option.getOrElse(Option.scala:121)
at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:868)
at org.apache.spark.repl.Main$.createSparkSession(Main.scala:96)
... 47 elided
<console>:14: error: not found: value spark
import spark.implicits._
^
<console>:14: error: not found: value spark
import spark.sql
^

[#2]

This is usually caused by not having proper HADOOP or SPARK CONF on the node. You need to assign spark2 gateway role to this node, and deploy spark2 client configureations, then re-launch spark2-shell.