One issue with embedded Java (OpenJDK I guess) is that it would make the zip quite huge.
On Mon, May 14, 2018 at 10:30 AM, Eduard Moraru <[email protected]> wrote: > Hi, > > On the palliative side (i.e. not actually fixing, but at least making life > a bit easier), we might consider a naming scheme for the downloadable that > includes that supported java version, e.g. xwiki-10.3-java8.zip (though > this might also lead users to thinking that the java 8 runtime is > included... which might not be that bad of an idea, if we think about it... > at least for the zip version that is for demo purposes, which already > contains the web server, the database, but still expects the user to > understand and install the correct Java runtime, which makes no sense.) > > So, yeah... TL;DR: add the java8 runtime to the .zip package and make life > easier for everyone. Optionally (though not sure if needed anymore, if we > bundle it), include it in the .zip file name. > > Of course, the production install, if done manually (i.e. not through > .deb/.rpm packages), expects that the user reads the documentation. > > Thanks, > Eduard > > On Mon, May 14, 2018 at 10:19 AM, Vincent Massol <[email protected]> wrote: > >> Hi devs, here’s a feedback we received, FYI. >> >> Ideas? >> >> Thanks >> -Vincent >> >> > Begin forwarded message: >> > >> > From: Vincent Massol >> > Subject: Re: Get started with XWiki >> > Date: 14 May 2018 at 09:10:06 CEST >> > To: XXX >> > Cc: XXX >> > >> > Hi Christian, >> > >> >> On 12 May 2018, at 14:25, Christian XXX wrote: >> >> >> >> It's not working. >> >> >> >> And as usual ith java, the log does not help. Maybe if I were an >> expert? But an app is supposed to be installed by just 'smart' users, not >> experts. >> > >> > If you choose the easy installation methods we propose then it’s easy >> and you have nothing to do. >> > >> > Which distribution did you choose and use? >> > >> >> And there is no help from the website. >> >> >> >> Oracle Linux 7. >> >> Linux localhost.localdomain 4.1.12-124.14.5.el7uek.x86_64 #2 SMP Fri >> May 4 15:26:53 PDT 2018 x86_64 x86_64 x86_64 GNU/Linux >> >> Java 10 >> >> Xwiki 10.3 >> >> tomcat. >> >> >> >> If it is not compatible whith this java. It should not install. >> > >> > It’s just not been tested with Java 10 yet. It’s not even fully working >> with Java 9. >> > >> > Note that it’s hard to check for the java version for all the >> distributions since XWiki is a webapp and the XWiki WAR can just be dropped >> in a servlet container and thus we don’t have a startup script and a place >> where we can put a check. All we could do is have a Servlet Listener that >> would emit a big stack trace (like the one you got) and that would say at >> the innermost level that XWiki requires Java <= 8. But even that wouldn’t >> be good since it would prevent testing in Java 9+. We want feedback from >> users about what works/what doesn’t work so improve support for Java 9 and >> 10. >> > >> >> If it is compatible with only one version of java, which one? >> > >> > You need to read the installation page ;) >> > >> > See http://www.xwiki.org/xwiki/bin/view/Documentation/ >> AdminGuide/Installation/ and especially: >> > http://www.xwiki.org/xwiki/bin/view/Documentation/ >> AdminGuide/Installation/#HHardwareandSoftwarerequirements >> > >> >> Here is the error: >> >> >> >> >> >> Error number 4001 in 4: Error while evaluating velocity template >> colorThemeInit.vm >> >> Error number 4001 in 4: Error while evaluating velocity template >> colorThemeInit.vm >> >> com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while >> evaluating velocity template colorThemeInit.vm >> > >> > [snip] >> > >> >> Caused by: java.lang.IllegalStateException: No standard field found >> for reverse order comparator! >> >> at org.jboss.marshalling.river.Protocol.<clinit>(Protocol. >> java:276) >> >> ... 249 mor >> > >> > [snip >> > >> >> Caused by: java.lang.IllegalStateException: No standard field found >> for reverse order comparator! >> >> at org.jboss.marshalling.river.Protocol.<clinit>(Protocol. >> java:276) >> >> ... 249 mor >> > >> > What this says is that JBoss Infinispan (which we use) is not compatible >> with Java 10. Apparently this is fixed in recent version of JBoss >> Marshalling: https://issues.jboss.org/browse/JBMAR-216. We probably just >> need to wait for JBoss Infinispan to release a new version that uses JBoss >> Marshalling 2.1.0.Final. >> > >> > What would be awesome would be for you to report the problem of using >> XWiki with Java 10 on https://jira.xwiki.org so that we can have an issue >> for it and work to make it work. >> > >> > Note that I’m replying to this message to help you out but it’s not the >> right place to post a question and get help normally. For that we have a >> user forum at https://forum.xwiki.org/. >> > >> > I’m sorry you had some issues. OTOH you’re looking for trouble by trying >> with Java 10. There are very few (if any!) java app that currently work >> with Java 9 and 10. You’d be much better off using Java 8. On the positive >> side, if you raise the issue on https://jira.xwiki.org, then you will >> transform your negative experience into a positive one, by contributing to >> the development of XWiki and helping out future users. >> > >> > Thanks >> > -Vincent Massol >> >> [snip] >> >> -- Thomas Mortagne
