The issue is " java.lang.OutOfMemoryError: Java heap space". Hard to
say what exactly is the cause, you might want to look at
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Performances#HMemory.

On Tue, Sep 16, 2014 at 9:39 AM, Moens Patrick
<patrick.mo...@curia.europa.eu> wrote:
> Hello ,
>
> I've a small problem with a fresh install of xwiki 6.1 on solaris (tomcat, 
> oracle).
>
> When I try to see the deleted attachments from the 'xwiki list of documents 
> ', I got this error (see bellow).
>
> There is just 2 deleted doc in the table;
>
> I tried to save the page with admin account (who has programming rights), 
> still  the same.
>
> Any idea?
>
> BR
>
> Patrick
>
>
>
>
> Failed to execute the [velocity] macro
> org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate 
> Velocity Macro for content [#if(!$xwiki.hasProgrammingRights())
>   {{warning}}This document requires programming rights and needs to be saved 
> by an administrator of this Wiki{{/warning}}
> #else
> #set($dateFormat = 'yyyy MMMM d, HH:mm')
> #if(!$request.list)
> $xwiki.ssx.use('XWiki.DeletedAttachments')##
> $xwiki.jsx.use('XWiki.DeletedAttachments', {'minify' : 'false'})##
> ##
> #set($columns = ['datt.filename', 'datt.docName', 'datt.date', 
> 'datt.deleter', 'actions'])
> #set($columnProperties = {
>     'datt.filename'  : { 'type' : 'text', 'size' : 10 },
>     'datt.docName'   : { 'type' : 'text', 'size' : 10 },
>     'datt.date'      : { 'type' : 'date', 'filterable' : false },
>     'datt.deleter'   : { 'type' : 'text', 'size' : 10 },
>     'actions'        : { 'type' : 'text', 'filterable' : false, 'sortable' : 
> false }
>   })##
> #set($options = {
>     'url'               : "$xwiki.getURL('XWiki.DeletedAttachments', 'view', 
> 'list=1&xpage=plain&outputSyntax=plain')",
>    'callback'          : 'XWiki.index.trash.attachments.displayEntry',
>     'translationPrefix' : 'platform.index.trashAttachments.'
>   })##
> ##
> ##
> ##
> {{html wiki="true" clean="false"}}
> <div class="hidden">
> #livetable('attachmentTrash' $columns $columnProperties $options)
> </div>
> {{/html}}
>
> {{html wiki="true" clean="false"}}
> <noscript>
>
>   #set($deletedAttachments = $services.query.hql('select count(datt.id) from 
> DeletedAttachment as datt').execute().get(0))
>   #if($deletedAttachments == 0)
>
>     
> {{info}}$services.localization.render('platform.index.trashAttachmentsEmpty'){{/info}}
>
>   #else
>   #macro(displayDeletedAttachment $id)
>     #set($datt = $xwiki.getDeletedAttachment("$id"))
>     #set($originalAttachment = $datt.getAttachment())
>     #set($originalDocument = $xwiki.getDocument($datt.docName))
>     <tr>
>       <td><a 
> href="$originalDocument.getAttachmentRevisionURL($originalAttachment.filename,
>  $originalAttachment.version, "rid=${datt.id}").replaceAll('&', 
> '&amp;')">$escapetool.xml($datt.filename)</a></td>
>       <td><a 
> href="$originalDocument.getURL()">$escapetool.xml($originalDocument.plainTitle)
>  ($escapetool.xml(${originalDocument.fullName}))</a></td>
>       <td>$xwiki.formatDate($datt.getDate(), $dateFormat)</td>
>       <td>$xwiki.getUserName($datt.getDeleter())</td>
>       <td class="itemActions">
>         #if($datt.canDelete())
>           <a href="${originalDocument.getAttachmentURL($datt.filename, 
> 'delattachment', 
> "trashId=${datt.id}&amp;xredirect=$escapetool.url($!request.getRequestURI())?$escapetool.url($!request.getQueryString())")}"
>  class="tool delete" 
> title="$services.localization.render('platform.index.trashAttachmentsActionsDeleteTooltip')">$services.localization.render('platform.index.trashAttachmentsDeleteText')</a>
>         #end
>       </td>
>     </tr>
>   #end
> ##
>   #if("$!{request.view}" == '')
>     #set($queryParams = '')
>   #else
>     #set($queryParams = "view=$!{escapetool.url($request.view)}")
>   #end
>   #set($paginationParameters = {
>     'totalItems' : $services.query.hql('select count(datt.id) from 
> DeletedAttachment as datt').execute().get(0),
>     'defaultItemsPerPage' : 15,
>     'url' : $doc.getURL('view', $queryParams)
>   })
>   #pagination($paginationParameters)
>   <table id="searchResults" class="xwiki-livetable xwiki-livetable-display">
>     <thead class="xwiki-livetable-display-header"><tr>
>       <th scope="col" class="xwiki-livetable-display-header-text selected 
> asc">$services.localization.render('platform.index.trashAttachments.datt.filename')</th>
>       <th scope="col" 
> class="xwiki-livetable-display-header-text">$services.localization.render('platform.index.trashAttachments.datt.docName')</th>
>       <th scope="col" 
> class="xwiki-livetable-display-header-text">$services.localization.render('platform.index.trashAttachments.datt.date')</th>
>       <th scope="col" 
> class="xwiki-livetable-display-header-text">$services.localization.render('platform.index.trashAttachments.datt.deleter')</th>
>       <th scope="col" 
> class="xwiki-livetable-display-header-text">$services.localization.render('platform.index.trashAttachments.actions')</th>
>     </tr></thead>
>     <tbody class="xwiki-livetable-display-body">
>     #set ($query = $services.query.hql('select datt.id from DeletedAttachment 
> as datt order by datt.filename asc'))
>     #foreach($item in 
> $query.setLimit($paginationParameters.itemsPerPage).setOffset($paginationParameters.firstItem).execute())
>       #displayDeletedAttachment($item)
>     #end
>     </tbody>
>   </table>
>   #set($discard = $paginationParameters.put('position', 'bottom'))
>   #pagination($paginationParameters)
>   #end ## deletedAttachments != 0
> </noscript>
> {{/html}}##
> #else ## request.list
> ## 
> ============================================================================================
> ## This page is called from live table via Ajax with the argument 
> xpage=plain. It returns a
> ## set of results serialized in JSON.
> ## @programming This service page needs to be saved by a user with the 
> programming access level
> ## to work as expected
> ## 
> ============================================================================================
> #if("$!{request.get('xpage')}" == 'plain')
> $response.setContentType('application/json')
> #set($offset = $mathtool.toInteger($request.get('offset')))
> ## offset starts from 0 in velocity and 1 in javascript
> #set($offset = $offset - 1)
> #if (!$offset || $offset < 0)
>   #set ($offset = 0)
> #end
> #set($limit = $mathtool.toInteger($request.get('limit')))
> #if (!$limit)
>   #set ($limit = 15)
> #end
> #set($filenameFilter = $request.get('datt.filename'))
> #set($docNameFilter = $request.get('datt.docName'))
> #set($deleterFilter = $request.get('datt.deleter'))
> #set($sql = '')
> #if("$!{filenameFilter}" != '')
>   #set($sql = "and lower(datt.filename) like 
> '%${filenameFilter.trim().toLowerCase()}%' ")
> #end
> #if("$!{docNameFilter}" != '')
>   #set($sql = "and lower(datt.docName) like 
> '%${docNameFilter.trim().toLowerCase()}%' ")
> #end
> #if("$!{deleterFilter}" != '')
>   #set($sql = $sql + "and lower(datt.deleter) like 
> '%${deleterFilter.trim().toLowerCase()}%' ")
> #end
> #if("$!{request.sort}" != '')
>   #set($order = $request.sort)
> #else
>   #set($order = 'datt.id')
> #end
> #if("$!{request.dir}" != '')
>   #set($dir = $request.dir)
> #else
>   #set($dir = 'asc')
> #end
> #set($selectSql = "select datt.id, $order from DeletedAttachment as datt 
> where 1=1 " + $sql + " order by $order $dir")
> #set($countSql = "select count(*) from DeletedAttachment as datt where 1=1 " 
> + $sql)
> #set($items = 
> $services.query.hql($selectSql).setLimit($limit).setOffset($offset).execute())
> #set($totalItems = $services.query.hql($countSql).execute().get(0))
> #set($returnedItems = $items.size())
> ## ==============================================
> ## json starts
> ## ==============================================
> {
> "totalrows": $totalItems,
> "returnedrows": $returnedItems,
> "offset": ${mathtool.add($offset, 1)},
> "reqNo": ${request.reqNo},
> "query" : "$selectSql",
> "rows": [
> #foreach($item in $items)
>   #set($datt = $xwiki.getDeletedAttachment("$item.get(0)"))
>   #if($velocityCount > 1) , #end
>   {
>     #set($originalAttachment = $datt.getAttachment())
>     #set($originalDocument = $xwiki.getDocument($datt.docName))
>     "filename"  : "$escapetool.javascript($datt.filename)",
>     "docName"  : "$escapetool.javascript($datt.docName)",
>     "title"  : "$escapetool.javascript($originalDocument.plainTitle)",
>     "url" : 
> "$originalDocument.getAttachmentRevisionURL($originalAttachment.filename, 
> $originalAttachment.version, "rid=${datt.id}")",
>     "documentUrl" : "$originalDocument.getURL()",
>     "canDelete" : $datt.canDelete(),
>     "deleteUrl" : "$originalDocument.getAttachmentURL($datt.filename, 
> 'delattachment', 
> "trashId=${datt.id}&form_token=$!{services.csrf.getToken()}")",
>     "canRestore" : $datt.canRestore(),
>     "alreadyExists" : #if($originalDocument.getAttachment($datt.filename)) 
> true #else false #end,
>     "restoreUrl" : "$originalDocument.getAttachmentURL($datt.filename)",
>     "date" : "$xwiki.formatDate($datt.date, $dateFormat)",
>     "deleter" : "$escapetool.javascript($datt.deleter)",
>     "deletername" : "$escapetool.javascript($xwiki.getUserName($datt.deleter, 
> false))",
>     "deleterurl" : "$xwiki.getURL($datt.deleter, 'view')"
>   }
> #end
> ]}
> ## ==============================================
> ## json ended
> ## ==============================================
> #end## xpage=plain
> #end## request.list
> #end## hasProgramR]
> at 
> org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
> at 
> org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:50)
> at 
> org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
> at 
> org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
> at 
> org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
> at 
> org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transformOnce(MacroTransformation.java:200)
> at 
> org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:140)
> at 
> org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:175)
> at 
> org.xwiki.rendering.internal.macro.html.HTMLMacro.renderWikiSyntax(HTMLMacro.java:271)
> at 
> org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:154)
> at 
> org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:73)
> at 
> org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transformOnce(MacroTransformation.java:200)
> at 
> org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:140)
> at 
> org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:175)
> at 
> org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:94)
> at 
> org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:252)
> at 
> org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:125)
> at 
> org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:55)
> at 
> org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:80)
> at 
> org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:38)
> at 
> org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:113)
> at 
> org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:50)
> at 
> org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:67)
> at 
> org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:41)
> at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:981)
> at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:960)
> at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:991)
> at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:606)
> at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at 
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
> at 
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
> at 
> org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
> at 
> org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
> at 
> org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:228)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:187)
> at 
> com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:131)
> at 
> com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluate(DefaultPrivilegedTemplateRenderer.java:147)
> at 
> com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluateTemplate(DefaultPrivilegedTemplateRenderer.java:84)
> at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:1622)
> at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1562)
> at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:801)
> at sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at 
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
> at 
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
> at 
> org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
> at 
> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
> at 
> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
> at 
> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:228)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:187)
> at 
> com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:131)
> at 
> com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluate(DefaultPrivilegedTemplateRenderer.java:147)
> at 
> com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluateTemplate(DefaultPrivilegedTemplateRenderer.java:84)
> at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:1622)
> at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:357)
> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:148)
> at 
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
> at 
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at 
> org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:126)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at 
> org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at 
> org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
> at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
> at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
> at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
> at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
> at 
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
> at 
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
> at 
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate 
> content with id [xwiki:Main.AllDocs]
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:247)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:187)
> at 
> org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:124)
> ... 116 more
> Caused by: org.apache.velocity.exception.MethodInvocationException: 
> Invocation of method 'getAttachment' in  class 
> com.xpn.xwiki.api.DeletedAttachment threw exception 
> java.lang.OutOfMemoryError: Java heap space at xwiki:Main.AllDocs[line 42, 
> column 34]
> at 
> org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:261)
> at 
> org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:187)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
> at 
> org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
> at 
> org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
> at 
> org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
> at 
> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
> at 
> org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
> at 
> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:420)
> at 
> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
> at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
> at 
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
> at 
> org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:228)
> ... 118 more
> Caused by: java.lang.OutOfMemoryError: Java heap space
>
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-- 
Thomas Mortagne
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