oracle-visualvm-issues-623 Added JAVA_HOME to visulavm luncher & conf

Author: dasarathirout

visualvm/launcher/visualvm

@@ -63,7 +63,11 @@ esac
 
 
 if [ -f "$progdir"/../lib/visualvm/etc/visualvm.conf ] ; then
-    visualvm_jdkhome="$basedir"
+    if [[ -d "$JAVA_HOME" && -f "$JAVA_HOME/bin/java" ]]; then
+        visualvm_jdkhome="$JAVA_HOME"
+    else
+        visualvm_jdkhome="$basedir"
+    fi
     old=`pwd`
     cd "$progdir/../lib/visualvm/"
     basedir=`pwd`

visualvm/launcher/visualvm.conf

@@ -69,7 +69,7 @@ visualvm_default_options="-J-Xms24m -J-Xmx768m -J-Dnetbeans.accept_license_class
 # installer points to one of those in the VisualVM application shortcut 
 # based on the Java version selected at installation time.
 #
-#visualvm_jdkhome="/path/to/jdk"
+visualvm_jdkhome="${JAVA_HOME}"
 
 # Additional module clusters:
 # using ${path.separator} (';' on Windows or ':' on Unix):