On Wed, Jun 27, 2012 at 12:05 AM, Jan Matuska <[email protected]> wrote: > Hello Devs, > > I am using XWiki 4.0 with filesystem attachment storage and face the > following problem: > > 1. Add a new page, make several edits and save. In the history section of the > page navigate to any previous version - no problem. > > 2. Now insert an attachment (e.g. an image) to the page, save. Do some more > edits to the page, save. In the history section navigate to previous versions > of the page. It will work with versions previous to the attachment upload. > Navigating to any version that was saved after the attachment upload will > cause the following problem: > > Error number 4001 in 4: Error while parsing velocity page > /templates/contentview.vm Wrapped Exception: Failed to evaluate content with > id [/templates/contentview.vm] > > and > > ... > Caused by: java.lang.NullPointerException > at > org.xwiki.store.legacy.store.internal.FilesystemAttachmentRecycleBinStore.getAllDeletedAttachments(FilesystemAttachmentRecycleBinStore.java:293) > at > com.xpn.xwiki.web.XWikiServletURLFactory.findDeletedAttachmentForDocRevision(XWikiServletURLFactory.java:573) > at > com.xpn.xwiki.web.XWikiServletURLFactory.createAttachmentURL(XWikiServletURLFactory.java:390) > at > com.xpn.xwiki.doc.DefaultDocumentAccessBridge.getAttachmentURL(DefaultDocumentAccessBridge.java:606) > ... > > 3. Now, instead of viewing an older version of that page, rollback to any > version previous to attachment upload. > > 4. Only after this rollback all previous versions are visible and do not > cause an error any more. > > It seams that XWiki is missing a folder of deleted attachments and fails to > render versions following an attachment upload, therefore. When I perform the > rollback a "deleted_attachments" folder is generated in the filesystem and > the error dissappears. > To have all page versions available you have to perform a rollback and > -forward after every new attachment upload. This is not very elegant - are > there any other solutions or am I missing out something? Besides of this > filesystem is a fine thing since I have some very large attachments. However, > version control is important for me. Is there a solution or should I switch > to Database Storage again? >
When you see java.lang.NullPointerException you can be sure there is a bug somewhere. Would be great if you could create an issue on http://jira.xwiki.org with all details to reproduce it. > Thanks for any advise, > Helge > -- > NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! > Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs -- Thomas Mortagne _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
