Github user rafaelweingartner commented on the issue:
https://github.com/apache/cloudstack/pull/1938
@Swill, I have a question (actually two) :)
If âJAVA_HOMEâ is not set, or if âJAVA_HOMEâ content does not
exist, we check if there is a java installation. I have a doubt about this last
path we are checking. Is this path â/usr/lib/jvm/jre-1.8.0â default (some
sort of standard)?
I ask because (at least on Debian, or at least the Debian I am using)
whenever I install using âaptitudeâ, the java versions were added to
folders following the pattern:
â/usr/lib/jvm/java-<version>-openjdk-<processorArchiteture>/jre/â. Of
course, this is for OpenJDK installed with âaptitudeâ.
Are we assuming that the user when installing manually (e.g. installing the
JRE from Oracle) will put Java JRE files in a folder like
â/usr/lib/jvm/jre-1.8.0â?
This will also only work for Java JRE 1.8.0, if users install Java JRE
1.8.1 and use the version as the name of the folder, this would not work. Of
course, all can be fixed by setting the JAVA_HOME.
Would not it be better to cause an exception and stop the deployment with a
message saying that we require the âJAVA_HOMEâ to be set? Then, it feels
that we will be consistent; otherwise, I can imagine a user complaining that
she/he has installed the Java 8 (1.8.x; where x > 0), but still ACS does not
work.
What do you think?
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