shyla226 commented on code in PR #2563:
URL: https://github.com/apache/cassandra/pull/2563#discussion_r1416463885
##########
bin/cassandra.in.sh:
##########
@@ -116,19 +116,34 @@ if [ -z $JAVA ] ; then
exit 1;
fi
+# Matches variable 'java.supported' in build.xml
+java_versions_supported=11,17
+
# Determine the sort of JVM we'll be running on.
java_ver_output=`"${JAVA:-java}" -version 2>&1`
jvmver=`echo "$java_ver_output" | grep '[openjdk|java] version' | awk -F'"'
'NR==1 {print $2}' | cut -d\- -f1`
JVM_VERSION=${jvmver%_*}
short=$(echo "${jvmver}" | cut -c1-2)
-JAVA_VERSION=17
-if [ "$short" = "11" ] ; then
- JAVA_VERSION=11
-elif [ "$JVM_VERSION" \< "17" ] ; then
- echo "Cassandra 5.0 requires Java 11 or Java 17."
+# Unsupported JDKs below the upper supported version are not allowed
+if [ "$short" != "$(echo "$java_versions_supported" | cut -d, -f1)" ] && [
"$JVM_VERSION" \< "$(echo "$java_versions_supported" | cut -d, -f2)" ] ; then
+ echo "Unsupported Java $JVM_VERSION. Supported are
$java_versions_supported"
exit 1;
fi
+# Allow execution of supported Java versions, and newer if
CASSANDRA_JDK_UNSUPPORTED is set
+supported_version=$(echo "$java_versions_supported" | tr "," '\n' | grep -F -x
"$short")
+if [ -z "$supported_version" ] ; then
+ if [ -z "$CASSANDRA_JDK_UNSUPPORTED" ] ; then
+ echo "Unsupported Java $JVM_VERSION. Supported are
$java_versions_supported"
+ echo "If you would like to test with newer Java versions set
CASSANDRA_JDK_UNSUPPORTED=true"
+ exit 1;
+ else
+ echo
"######################################################################"
+ echo "Warning! You are using JDK$short. Cassandra currently only
supports $java_versions_supported."
Review Comment:
Updated this
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