Major Description
In the logs of xwiki.org I got lots of:
2016-03-11 10:50:44,589 [http://platform.xwiki.org/xwiki/bin/view/Features/DocumentLifecycle?viewer=changes&rev2=143.1] ERROR c.x.x.d.XWikiDocument - Failed to compare attachments [com.xpn.xwiki.doc.XWikiAttachment@592382f2] and [com.xpn.xwiki.doc.XWikiAttachment@2a6a0b96] 2016-03-11 10:50:44,596 [http://platform.xwiki.org/xwiki/bin/view/Features/DocumentLifecycle?viewer=changes&rev2=143.1] ERROR c.x.x.d.XWikiDocument - Failed to compare attachments [com.xpn.xwiki.doc.XWikiAttachment@12136706] and [com.xpn.xwiki.doc.XWikiAttachment@37d0c42f] 2016-03-11 10:50:44,882 [http://platform.xwiki.org/xwiki/bin/view/Features/DocumentLifecycle?viewer=changes&rev2=143.1] ERROR c.x.x.d.XWikiDocument - Failed to compare attachments [com.xpn.xwiki.doc.XWikiAttachment@5e170a10] and [com.xpn.xwiki.doc.XWikiAttachment@3a95d0b2] 2016-03-11 10:50:44,885 [http://platform.xwiki.org/xwiki/bin/view/Features/DocumentLifecycle?viewer=changes&rev2=143.1] ERROR c.x.x.d.XWikiDocument - Failed to compare attachments [com.xpn.xwiki.doc.XWikiAttachment@6cb7ecb4] and [com.xpn.xwiki.doc.XWikiAttachment@1f15552f] 2016-03-11 10:50:44,887 [http://platform.xwiki.org/xwiki/bin/view/Features/DocumentLifecycle?viewer=changes&rev2=143.1] ERROR c.x.x.d.XWikiDocument - Failed to compare attachments [com.xpn.xwiki.doc.XWikiAttachment@4a666333] and [com.xpn.xwiki.doc.XWikiAttachment@7facf6e]
2 problems:
- We should display information about the attachments and not their instance id (maybe we're missing some toString() method)
- We should also include why it's failing