Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/627#discussion_r12260344
--- Diff: make-distribution.sh ---
@@ -50,6 +50,20 @@ if [ $? == -1 ] ;then
exit -1;
fi
+if [ -z "${JAVA_HOME}" ]; then
+ echo "Error: JAVA_HOME is not set, cannot proceed."
+ exit -1
+fi
+
+JAVA_CMD=$JAVA_HOME/bin/java
+JAVA_VERSION=$($JAVA_CMD -version 2>&1)
+if ! [[ "$JAVA_VERSION" =~ "1.6" ]]; then
+ echo "Error: Java version was not 1.6. Spark must be compiled with JDK
1.6 "
--- End diff --
maybe add a comment on how to fix this (i.e., set JAVA_HOME).
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