[GitHub] [hadoop] xkrogen commented on a change in pull request #1680: HDFS-14907. [Dynamometer] DataNode can't find junit jar when using Hadoop-3 binary

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xkrogen commented on a change in pull request #1680: HDFS-14907. [Dynamometer] DataNode can't find junit jar when using Hadoop-3 binary
URL: https://github.com/apache/hadoop/pull/1680#discussion_r339628534
 
 

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 File path: hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/main/resources/start-component.sh
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 @@ -94,6 +94,12 @@ function hdfs_original {
 extraClasspathDir="$(pwd)/additionalClasspath/"
 mkdir -p "${extraClasspathDir}"
 
+junitClassPath="$(find "${hadoopHome}" -name "junit*.jar" | head -n 1)"
+if [[ -z "$junitClassPath" ]]; then
+  echo "Can't find junit jar file."
 
 Review comment:
   Can we include where the JAR was searched (`hadoopHome`)?

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