Java error when running Mapreduce program

Question

I have a MapReduce Program which aggregates the total stock volume in a stock exchange data set. I have compiled & created a jar file without any errors. But when i run the jar on Hadoop cluster it throws me a java class notfound exception. I am new to java and any help will be greatly appreciated

cloudera@cloudera-vm:~$ hadoop jar NYSE.jar -D com.rashmi.mapreduce.NYSE.NYSEJob /user/NYSE/NASDAQ_daily_prices_A_sample.csv /user/NYSE/outputException in thread "main" java.lang.ClassNotFoundException: -D
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:179)

You have used -D option which is used for setting value for property. From the command it looks like you have used -D option incorrectly. — Jigar Mistry
– Jigar Mistry, Commented Nov 23, 2014 at 5:00

Tom Sebastian · Accepted Answer · 2014-11-24 13:38:44Z

1

Hi please correct the command as:

hadoop jar NYSE.jar com.rashmi.mapreduce.NYSE.NYSEJob /user/NYSE/NASDAQ_daily_prices_A_sample.csv /user/NYSE/output

You need not use -D option here.

hope this(link) helps

answered Nov 24, 2014 at 13:38

Tom Sebastian

3,4535 gold badges32 silver badges61 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Java error when running Mapreduce program

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related