Github user demoonism commented on a diff in the pull request: https://github.com/apache/spark/pull/19109#discussion_r136709158 --- Diff: docs/index.md --- @@ -24,7 +24,7 @@ source, visit [Building Spark](building-spark.html). Spark runs on both Windows and UNIX-like systems (e.g. Linux, Mac OS). It's easy to run locally on one machine --- all you need is to have `java` installed on your system `PATH`, -or the `JAVA_HOME` environment variable pointing to a Java installation. +or the `JAVA_HOME` environment variable pointing to an existing Java installation. --- End diff -- A very subtle change here. Trying to make this more "noobie friendly" by implying that user needs to set up JRE before running spark.
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