On Jan 12, 2007, at 10:20 PM, Sergiu Dumitriu wrote:
  Hi,
 We're trying to make XWiki work in 1.4 again. Currently, there are
 2 issues blocking this:
 1. The XWiki eXo integration part, which requires eXo, which
 requires J1.5. This will be transformed into an optional component,
 so eXo will not block the build on 1.4 platforms.
 2. The recently introduced ConcurrentHashMap, that prevents a
 deadlock, and which is part of J1.5. We're looking for a library
 that provides the same functionality, but compiles in J1.4 
We could have a look at 
http://www.innoq.com/blog/st/2005/12/29/
retrotranslator_enable_java_5_features_on_jdk_14.html
That said, I think I read somewhere that Sun had dropped support for
1.4 (is that true or I am dreaming it?). If this is true it might be
good to continue supporting 1.5. I guess we need to check if there
are any users out there who absolutely require 1.4 in production. We
might want to have a special build for them while making the standard
build work on 1.5.
Thanks
-Vincent
 The above exception was traced down and fixed just yesterday.
 On 1/12/07, mjdenham <mjdenham(a)gmail.com> wrote:
 I installed b2, and thought I would feed back a couple of comments/
 questions,
 not to be critical - we have been using xwiki for a year or two and
 love it.
 I can't remember seeing in the release notes that b2 requires jdk 1.5.
 It might be worth mentioning that after upgrade and before panel
 installation the screens go a bit crazy.
 Is there an easy way to make the panels layout look a bit like
 0.9.840?
 Maybe there is a layout I could import somehow?
 I didn't see a link to Main.KnowledgeBase anywhere.  This is our
 main page
 from which everything branches out.  Maybe this is because I am
 unfamiliar
 with Panels.  In the end I edited the home page and manually put a
 link on
 it.
 I saw a few exceptions go by.  Here is one:
 java.lang.IllegalStateException
         at
 org.apache.catalina.connector.ResponseFacade.sendRedirect
 (ResponseFacade.java:432)
         at
 org.securityfilter.authenticator.FormAuthenticator.showLogin
 (FormAuthenticator.java:230)
         at
 com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.showLogin
 (MyFormAuthenticator.java:55)
         at
 com.xpn.xwiki.user.impl.xwiki.XWikiAuthServiceImpl.showLogin
 (XWikiAuthServiceImpl.java :197)
         at
 com.xpn.xwiki.user.impl.xwiki.XWikiRightServiceImpl.checkAccess
 (XWikiRightServiceImpl.java:154)
         at com.xpn.xwiki.XWiki.checkAccess(XWiki.java:2548)
         at com.xpn.xwiki.XWiki.prepareDocuments (XWiki.java:3233)
         at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:128)
         at
 org.apache.struts.action.RequestProcessor.processActionPerform
 (RequestProcessor.java:431)
 Beta 2 looks great.  I like the panels and wysiwyg editor, but am
 struggling
 a bit with unfamiliarity.
 Thanks
 Martin
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