org.apache.spark.SparkException: A master URL must be set in your configuration

org.apache.spark.SparkException: A master URL must be set in your configuration

Hi,

I my program following error is thrown:

org.apache.spark.SparkException: A master URL must be set in your configuration

How to fix it?

thanks

View Answers

October 24, 2018 at 4:30 AM

Hi,

I used following code:

val conf = new SparkConf().setAppName("MyApp")

val sc = new SparkContext(conf)

Thanks


October 24, 2018 at 4:31 AM

Hi,

You should set mater:

.setMaster("local[2]")

Full code:

val conf = new SparkConf().setAppName("MyApp").setMaster("local[2]")

val sc = new SparkContext(conf)

Thanks


October 24, 2018 at 4:32 AM

Hi,

You can also write like this:

 SparkConf configuration = new SparkConf()
            .setAppName("Your Application Name")
            .setMaster("local");
 val sc = new SparkContext(conf);

Thanks


August 25, 2020 at 6:47 AM

Hi,

Check more tutorials at:

Thanks

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