Exception in thread "main" java.lang.NullPointerException about reference-apps HOT 2 CLOSED

Did you specify the Twitter credentials on the command line? That's just a guess.

% ${YOUR_SPARK_HOME}/bin/spark-submit
--class "com.databricks.apps.twitter_classifier.Collect"
--master ${YOUR_SPARK_MASTER:-local[4]}
target/scala-2.10/spark-twitter-lang-classifier-assembly-1.0.jar
${YOUR_OUTPUT_DIR:-/tmp/tweets}
${NUM_TWEETS_TO_COLLECT:-10000}
${OUTPUT_FILE_INTERVAL_IN_SECS:-10}
${OUTPUT_FILE_PARTITIONS_EACH_INTERVAL:-1}
--consumerKey ${YOUR_TWITTER_CONSUMER_KEY}
--consumerSecret ${YOUR_TWITTER_CONSUMER_SECRET}
--accessToken ${YOUR_TWITTER_ACCESS_TOKEN}
--accessTokenSecret ${YOUR_TWITTER_ACCESS_SECRET}

from reference-apps.

I was actually referring to other class, anyways i was able to resolve the issue.
Thanks 👍

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