iwasakims commented on a change in pull request #2077:
URL: https://github.com/apache/hadoop/pull/2077#discussion_r441970078



##########
File path: hadoop-mapreduce-project/bin/mapred
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@@ -105,6 +105,8 @@ function mapredcmd_case
     minicluster)
       hadoop_add_classpath 
"${HADOOP_YARN_HOME}/${YARN_DIR}/timelineservice"'/*'
       hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_DIR}/test"'/*'
+      junitjar=$(echo "${HADOOP_TOOLS_LIB_JARS_DIR}"/junit-[0-9]*.jar)

Review comment:
       We need shell filename expansion before adding the path to CLASSPATH. 
Java only accepts `/path/to/*` wildcard.




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