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]
