74de94ea6d
Fix run-example script to fail fast with useful error message if multiple example assembly JARs are present. Author: Venkata Ramana Gollamudi <ramana.gollamudi@huawei.com> Closes #3377 from gvramana/run-example_fails and squashes the following commits: fa7f481 [Venkata Ramana Gollamudi] Fixed review comments, avoiding ls output scanning. 6aa1ab7 [Venkata Ramana Gollamudi] Fix run-examples script error during multiple jars
75 lines
2.3 KiB
Bash
Executable file
75 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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FWDIR="$(cd "`dirname "$0"`"/..; pwd)"
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export SPARK_HOME="$FWDIR"
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EXAMPLES_DIR="$FWDIR"/examples
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. "$FWDIR"/bin/load-spark-env.sh
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if [ -n "$1" ]; then
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EXAMPLE_CLASS="$1"
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shift
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else
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echo "Usage: ./bin/run-example <example-class> [example-args]" 1>&2
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echo " - set MASTER=XX to use a specific master" 1>&2
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echo " - can use abbreviated example class name relative to com.apache.spark.examples" 1>&2
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echo " (e.g. SparkPi, mllib.LinearRegression, streaming.KinesisWordCountASL)" 1>&2
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exit 1
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fi
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if [ -f "$FWDIR/RELEASE" ]; then
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JAR_PATH="${FWDIR}/lib"
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else
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JAR_PATH="${EXAMPLES_DIR}/target/scala-${SPARK_SCALA_VERSION}"
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fi
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JAR_COUNT=0
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for f in ${JAR_PATH}/spark-examples-*hadoop*.jar; do
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if [[ ! -e "$f" ]]; then
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echo "Failed to find Spark examples assembly in $FWDIR/lib or $FWDIR/examples/target" 1>&2
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echo "You need to build Spark before running this program" 1>&2
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exit 1
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fi
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SPARK_EXAMPLES_JAR="$f"
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JAR_COUNT=$((JAR_COUNT+1))
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done
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if [ "$JAR_COUNT" -gt "1" ]; then
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echo "Found multiple Spark examples assembly jars in ${JAR_PATH}" 1>&2
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ls ${JAR_PATH}/spark-examples-*hadoop*.jar 1>&2
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echo "Please remove all but one jar." 1>&2
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exit 1
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fi
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export SPARK_EXAMPLES_JAR
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EXAMPLE_MASTER=${MASTER:-"local[*]"}
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if [[ ! $EXAMPLE_CLASS == org.apache.spark.examples* ]]; then
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EXAMPLE_CLASS="org.apache.spark.examples.$EXAMPLE_CLASS"
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fi
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"$FWDIR"/bin/spark-submit \
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--master $EXAMPLE_MASTER \
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--class $EXAMPLE_CLASS \
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"$SPARK_EXAMPLES_JAR" \
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"$@"
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