'Caused by: java.lang.ClassNotFoundException: org.apache.spark.deploy.SparkHadoopUtil

I am trying to run a java jar from a Hadoop command as seen below

hadoop jar <jar>

but I am getting an exception as seen below

Exception in thread "main" java.lang.NoClassDefFoundError:org/apache/spark/deploy/SparkHadoopUtil
......
    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.hadoop.util.RunJar.run(RunJar.java:226)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:141)
Caused by: java.lang.ClassNotFoundException: org.apache.spark.deploy.SparkHadoopUtil
    at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351)

what do I need to add to the command to get through the error?

javahadoop


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