Hi all, I'm running into the following exception when trying to download certain attachments: Error number 3231 in 3: Exception while loading attachment xyz.doc of document PM.xyz Wrapped Exception: No row with the given identifier exists: [com.xpn.xwiki.doc.XWikiAttachmentContent#903453393] com.xpn.xwiki.XWikiException: Error number 3231 in 3: Exception while loading attachment xyz.doc of document PM.xyz Wrapped Exception: No row with the given identifier exists: [com.xpn.xwiki.doc.XWikiAttachmentContent#903453393] at com.xpn.xwiki.store.XWikiHibernateStore.loadAttachmentContent(XWikiHibernateStore.java:1484) at com.xpn.xwiki.doc.XWikiDocument.loadAttachmentContent(XWikiDocument.java:1499) at com.xpn.xwiki.doc.XWikiAttachment.getContent(XWikiAttachment.java:360) at com.xpn.xwiki.XWikiService.renderDownload(XWikiService.java:689) at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:186) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:788) Looking at the database, it appears some attachments do not have content. Any idea what's going on? mysql> select XWA_ID from xwikiattachment where XWA_ID not in (select XWA_ID from xwikiattachment_content); +-------------+ | XWA_ID | +-------------+ | -1545435440 | | -1316229821 | | 903453393 | | 1853219705 | +-------------+ Regards, Robin