Github user gzm55 commented on a diff in the pull request:
https://github.com/apache/spark/pull/102#discussion_r10462859
--- Diff:
yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala ---
@@ -379,7 +381,17 @@ object ClientBase {
// Based on code from org.apache.hadoop.mapreduce.v2.util.MRApps
def populateHadoopClasspath(conf: Configuration, env: HashMap[String,
String]) {
- for (c <-
conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH)) {
+ val classpathEntries = Option(conf.getStrings(
+ YarnConfiguration.YARN_APPLICATION_CLASSPATH)).getOrElse(
+ YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)
+ for (c <- classpathEntries) {
+ Apps.addToEnvironment(env, Environment.CLASSPATH.name, c.trim)
+ }
+
+ val mrClasspathEntries = Option(conf.getStrings(
+ MRJobConfig.MAPREDUCE_APPLICATION_CLASSPATH)).getOrElse(
+
StringUtils.getStrings(MRJobConfig.DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH))
--- End diff --
Hi, do you mean
"getOrElse(MRJobConfig.DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH)" ? I have a
compilation error here, saying that StringUtils.getStrings requires a String
but gets a Array[String]. And in hadoop CDH 4.6, we have
public static final String[] DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH = {
"$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*",
"$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*",
};
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