#!/bin/sh#
# check for correct java version by parsing out put of java -version
# we expect first line to be in format 'java version "1.8.0_161"' or 'java version "10.0.1" 2018-04-17'
# or 'openjdk version "11-ea" 2018-09-25' and assert that version number will be 8 or 11 (if enabled)
# or sth like 'Picked up JDK_JAVA_OPTIONS:' (which we need to skip)
#java_raw_version=`echo "$($_RUNJAVA -version 2>&1)" | grep -v "JDK_JAVA_OPTIONS" | grep "version" | awk '{ print substr($3, 2, length($3)-2); }'`
java_version=0if [[ $java_raw_version = *-ea* ]]
then
    # early access format e.g 11-ea
    IFS='-' read -a values <<< "$java_raw_version"
    java_version=${values[0]}
else
    if [[ $java_raw_version = 1.* ]]
    then
        # old format e.g. 1.8.0_161
        IFS='.' read -a values <<< "$java_raw_version"
        java_version=${values[1]}
    else
        # new format e.g. 10.0.1
        IFS='.' read -a values <<< "$java_raw_version"
        java_version=${values[0]}
    fi
fiif [ $java_version -ne 8 ] && [ $java_version -ne 11 ]
then
    echo "****************************************************************************"
    echo "*******      Wrong JVM version! Jira requires 1.8 or 11 to run.      *******"
    echo "****************************************************************************"
    echo "***"
    echo "*** Output of java -version command is:"
    $_RUNJAVA -version 2>&1
    echo "*** (End of output) ***"
    echo "***"
    if [ "$ignore_jvm_version" = "true" ]
    then
        echo "*** Environment variable 'ignore_jvm_version' is set to 'true'"
        echo "*** Jira is going to bypass restriction and run using existing JVM version"
        echo "***"
        echo "****************************************************************************"
    else
        echo "*** If you want Jira to start using this JVM"
        echo "*** set environment variable 'ignore_jvm_version' to 'true'"
        echo "***"
        echo "****************************************************************************"
        exit 1
    fi
fi   

#!/bin/sh

_EXPECTED_JAVA_MAJOR_VERSION="1"
_EXPECTED_JAVA_MINOR_VERSION="8"

#
# check for correct java version by parsing out put of java -version
# we expect first line to be in format '(java|openjdk) version "1.8.0_40"' and assert that minor version number will be 8 or higher
#

"$_RUNJAVA" -version 2>&1 | perl -nE 'if ( /(?:java|openjdk)\s+version\s+"?([\d\.]+)"?/ ) { print "$1\n" }' | (
        OK=0
        IFS=. read major minor build
        if [ ${major:-0} -gt "$_EXPECTED_JAVA_MAJOR_VERSION" ]; then
          OK=1
        elif [ ${major:-0} -eq "$_EXPECTED_JAVA_MAJOR_VERSION" ] && [ ${minor:-0} -gt "$_EXPECTED_JAVA_MINOR_VERSION" ]; then
          OK=1
        fi
        if [ $OK != 1 ]
        then
          echo "******************************************************************************"
          echo "***  Wrong JVM version! You are running with $major.$minor.$build"
          echo "***  but JIRA requires at least 1.8 to run."
          echo "******************************************************************************"
          exit 1
        fi
    )
if [ $? -ne 0 ] ; then
   exit 1
fi