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https://issues.apache.org/jira/browse/SPARK-15600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-15600.
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Resolution: Won't Fix
> Make local mode as default mode
> -------------------------------
>
> Key: SPARK-15600
> URL: https://issues.apache.org/jira/browse/SPARK-15600
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Jeff Zhang
> Priority: Minor
>
> Usually I would write spark application in IDE and will run it on small
> dataset locally. But I have to specify the master as local, otherwise will
> get the following error. But if I want to run it on large dataset in cluster,
> then I have to the remove the code of "SparkConf.setMaster(local[4])" which
> is inconvenient for me. so I create this ticket to propose that if there's no
> master specified, then use local mode.
> {code}
> org.apache.spark.SparkException: A master URL must be set in your
> configuration
> at org.apache.spark.SparkContext.<init>(SparkContext.scala:401)
> at
> com.zjffdu.tutorial.spark.kaggle.crime.SFCrime$.main(SFCrime.scala:14)
> at com.zjffdu.tutorial.spark.kaggle.crime.SFCrime.main(SFCrime.scala)
> 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:497)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
> 16/05/27 14:31:33 INFO spark.SparkContext: Successfully stopped SparkContext
> {code}
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