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Warn in bin/elasticsearch if JAVA_OPTS is set 

JAVA_OPTS is not a built-in mechanism for passing options to the JVM but
many people think that it is. We do not respect JAVA_OPTS, but this
commit adds a warning if it is set in case the end-user thinks that it
will affect Elasticsearch.
This commit is contained in:
Jason Tedor 2016-04-12 11:51:30 -04:00
parent 9460289bee
commit 7743c422db
1 changed files with 7 additions and 0 deletions
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7
distribution/src/main/resources/bin/elasticsearch
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@ -136,6 +136,13 @@ if [ "x$JAVA_TOOL_OPTIONS" != "x" ]; then
unset JAVA_TOOL_OPTIONS
fi
# JAVA_OPTS is not a built-in JVM mechanism but some people think it is
# so let us warn them that we are not observing the value of $JAVA_OPTS
if [ ! -z "JAVA_OPTS" ]; then
echo "Warning: Ignoring JAVA_OPTS=$JAVA_OPTS"
echo "Please pass JVM parameters via ES_JAVA_OPTS instead"
fi
# full hostname passed through cut for portability on systems that do not support hostname -s
# export on separate line for shells that do not support combining definition and export
HOSTNAME=`hostname | cut -d. -f1`