Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/704#discussion_r12462381
--- Diff: bin/run-example ---
@@ -49,46 +31,31 @@ fi
if [[ -z $SPARK_EXAMPLES_JAR ]]; then
echo "Failed to find Spark examples assembly in $FWDIR/lib or
$FWDIR/examples/target" >&2
- echo "You need to build Spark with sbt/sbt assembly before running this
program" >&2
+ echo "You need to build Spark before running this program" >&2
exit 1
fi
+SPARK_EXAMPLES_JAR_REL=${SPARK_EXAMPLES_JAR#$FWDIR/}
-# Since the examples JAR ideally shouldn't include spark-core (that
dependency should be
-# "provided"), also add our standard Spark classpath, built using
compute-classpath.sh.
-CLASSPATH=`$FWDIR/bin/compute-classpath.sh`
-CLASSPATH="$SPARK_EXAMPLES_JAR:$CLASSPATH"
-
-if $cygwin; then
- CLASSPATH=`cygpath -wp $CLASSPATH`
- export SPARK_EXAMPLES_JAR=`cygpath -w $SPARK_EXAMPLES_JAR`
-fi
-
-# Find java binary
-if [ -n "${JAVA_HOME}" ]; then
- RUNNER="${JAVA_HOME}/bin/java"
-else
- if [ `command -v java` ]; then
- RUNNER="java"
- else
- echo "JAVA_HOME is not set" >&2
- exit 1
- fi
-fi
+EXAMPLE_CLASS="<example-class>"
+EXAMPLE_ARGS="[<example args>]"
+EXAMPLE_MASTER=${MASTER:-"<master>"}
-# Set JAVA_OPTS to be able to load native libraries and to set heap size
-JAVA_OPTS="$SPARK_JAVA_OPTS"
-# Load extra JAVA_OPTS from conf/java-opts, if it exists
-if [ -e "$FWDIR/conf/java-opts" ] ; then
- JAVA_OPTS="$JAVA_OPTS `cat $FWDIR/conf/java-opts`"
+if [ -n "$1" ]; then
+ EXAMPLE_CLASS="$1"
+ shift
fi
-export JAVA_OPTS
-if [ "$SPARK_PRINT_LAUNCH_COMMAND" == "1" ]; then
- echo -n "Spark Command: "
- echo "$RUNNER" -cp "$CLASSPATH" $JAVA_OPTS "$@"
- echo "========================================"
- echo
+if [ -n "$1" ]; then
+ EXAMPLE_ARGS="$@"
fi
-exec "$RUNNER" -cp "$CLASSPATH" $JAVA_OPTS "$@"
+echo "NOTE: This script has been replaced with ./bin/spark-submit. Please
run:" >&2
+echo
+echo "./bin/spark-submit \\" >&2
--- End diff --
Great idea!
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