Hi, yes, I'm frequently hitting this error too and I'm not sure why. Thomas Mortagne looked at it last week but he doesn't have a fix yet.
I was provided with a workaround last friday, I'll see if I can post it on code.xwiki.org Guillaume On Mon, Jan 18, 2010 at 10:05 AM, Petteri Karttunen < petteri.karttu...@gmail.com> wrote: > Hi, > > I'm also encountering this problem randomly since XWiki 2.0 but so far > haven't been able to find the initial cause. See also > http://www.mail-archive.com/users@xwiki.org/msg09549.html. As Marius > suggests it might have something to do with the plugin initialization > because re-initializing the plugin under those circumstances helps in my > case: > > ... > > xwiki.getXWiki().getPluginManager().getPlugin("lucene").init(xwiki.getXWikiC > ontext()) ... > > but this of course doesn't solve the problem behind. > > -Pete > > > -----Alkuperäinen viesti----- > Lähettäjä: users-boun...@xwiki.org [mailto:users-boun...@xwiki.org] > Puolesta > Gerritjan Koekkoek > Lähetetty: 17. tammikuuta 2010 21:26 > Vastaanottaja: XWiki Users > Aihe: Re: [xwiki-users] Lucene defaultpage fails > > See below for extended error-report > I also paste the code > Op 17 jan 2010, om 18:12 heeft Flavius Olaru het volgende geschreven: > > On Sun, Jan 17, 2010 at 1:35 PM, Gerritjan Koekkoek > <gerritjankoekk...@gmail.com> wrote: > > Navigating to the Main.LuceneSearch page brings up the following error? > > > > Failed to execute macro: velocity > > org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate > Velocity Macro for content > [$xwiki.jsfx.use("uicomponents/search/search.js", > true)## > > $xwiki.ssfx.use("uicomponents/search/search.css", true)## > > The page has worked, but what can be wrong now. > > The page itself is not changed from the distribution? > > > > Gerritjan > > _______________________________________________ > > users mailing list > > users@xwiki.org > > http://lists.xwiki.org/mailman/listinfo/users > > > Hi Gerritjan, > > Can you paste in more information about the error? > > -- > Flavius Olaru > ## Disable the document extra data: comments, attachments, history... > #set($docextras = []) > ## =================== > ## Lucene search > ## =================== > ## Inputs : $request.text > ## Outputs : $list, $isScored > ## =================== > ## Uncomment this line to overload the maximum list of wiki where to search > (also the one listed in the wikis combobox) > ## #set($allwikinamelist = ["xwiki", "wiki1", "wiki2"]) > ## > ## Uncomment this line to overload the wikis where to search > ## #set($wikinames = "xwiki,wiki,wiki") > ## > ## Uncomment this line to overload the languages to search > ## #set($languages = "default,en,de") > #set ($rssmode = ("$!request.xpage" == 'plain')) > ## --------------- > ## Space filtering > ## --------------- > #set($extraClause = '') > #set($selectedSpace = "$!request.space") > #if($selectedSpace != '' && !$blacklistedSpaces.contains($selectedSpace)) > #set($extraClause = " AND web:${selectedSpace}") > #end > ## ---------------------------------------------------------------------- > ## Exclude Blacklisted spaces ($blacklistedSpaces is set in xwikivars.vm) > ## Also exclude WebPreferences. > ## ---------------------------------------------------------------------- > #foreach ($blacklistedSpace in $blacklistedSpaces) > #set ($extraClause = " AND NOT web:${blacklistedSpace}${extraClause}") > #end > #if(!$hasAdmin && !$isAdvancedUser) > #set ($extraClause = " AND NOT name:WebPreferences${extraClause}") > #end > ## --------------- > ## Space macros > ## --------------- > #macro(spaceoption $space $selectedSpace) > <option value="${space}" #if($selectedSpace == > $space)selected="selected"#end>$space</option> > #end > #macro(spaceselect $selectedSpace $spaces) > <select name="space" title="$msg.get('xe.search.bar.spaces.title')"> > <option value="" #if($selectedSpace == > '')selected="selected"#end>$msg.get('xe.search.bar.spaces.all')</option> > #foreach($space in $xwiki.spaces) > #if (!$blacklistedSpaces.contains($space)) > #spaceoption($space $selectedSpace) > #end > #end > </select> > #end > ## --------------- > ## Wikis filtering > ## --------------- > #set($wikinamelist = []) > #if(!$wikinames) > #set($wikinametable = $request.getParameterValues("wikinames")) > #if(!$wikinametable || $request.wikinames == "") > #set($wikinametable = $allwikinamelist) > #end > #set($wikinames = "") > #foreach($wikiname in $wikinametable) > #set($ok = $wikinamelist.add($wikiname)) > #if($wikinames != "") > #set($wikinames = $wikinames + ",") > #end > #set($wikinames = $wikinames + $wikiname) > #end > #else > #set($wikinametable = $wikinames.split(", ")) > #foreach($wikiname in $wikinametable) > #set($ok = $wikinamelist.add($wikiname)) > #end > #end > ## > #if($xwiki.isVirtualMode()) > #if(!$allwikinamelist) > #set($currentwikiname = $context.database) > #set($ok = $context.setDatabase($context.mainWikiName)) > #set($allwikilist = $xwiki.searchDocuments(", BaseObject as obj, > StringProperty as prop where doc.fullName=obj.name and > obj.className='XWiki.XWikiServerClass' and prop.id.id=obj.id and > prop.id.name='server'")) > #set($ok = $context.setDatabase($currentwikiname)) > ## > #set($allwikinamelist = []) > #foreach($wiki in $allwikilist) > #set($ok = $allwikinamelist.add($wiki.substring(17).toLowerCase())) > #end > #if(!$allwikinamelist.contains($context.mainWikiName)) > #set($ok = $allwikinamelist.add($context.mainWikiName)) > #end > #end > ## --------------- > ## Wikis macros > ## --------------- > #macro(wikinamesoption $wikiname $wikinamelist) > <option value="$wikiname" > > #if($wikinamelist.contains($wikiname))selected="selected"#end>$wikiname</opt > ion> > #end > #macro(wikinamesselect $allwikinamelist $wikinamelist) > <select name="wikinames"> > <option value="" selected="selected">All</option> > #foreach($wikiname in $allwikinamelist) > #wikinamesoption($wikiname $wikinamelist) > #end > </select> > #end > #else > #if($wikinames == "") > #set($wikinames = $context.mainWikiName) > #end > #end > ## --------------- > ## Query preparation > ## --------------- > #set($text = "$!request.getParameter('text')") > #set($query = $text) > #set($utext = $util.encodeURI($query)) > #set($defaultItemsPerPage = 30) > #set($itemsPerPage = $util.parseInt("$!{request.perPage}")) > #if($itemsPerPage <= 0) > #set($itemsPerPage = $defaultItemsPerPage) > #end > ## --------------- > ## Query form > ## --------------- > #if(!$rssmode) > {{html}} > <form action="" method="get" id="searchBar"> > <div class="centered"> > <input type="text" name="text" class="searchQuery #if($text == '') > defaultText#end" #if($text == '') > value="$msg.get('xe.search.bar.query.tip')" #else > value="$xwiki.getXMLEncoded(${text})" #end > title="$msg.get('xe.search.bar.query.title')"/> > #spaceselect($selectedSpace $spaces) > <input type="submit" class="searchButton" > value="$msg.get('xe.search.bar.submit')" > title="$msg.get('xe.search.bar.submit.title')"/> > <div class="searchHelp">$msg.get('xe.search.bar.queryTip')</div> > </div> > </form> > {{/html}} > #end > ## --------------- > ## Results processing > ## --------------- > #if($query != '') > #set($lucene = $xwiki.getPlugin("lucene")) > #if($lucene) > ## --------------- > ## Lucene search > ## --------------- > #set($searchresults = $lucene.getSearchResults("${query}${extraClause}", > $wikinames, $!languages, $xwiki)) > #if($searchresults.getHitcount() > 0) > ## ----------------- > ## Pagination (top) > ## ----------------- > #if(!$rssmode) > #set($paginationParameters = {'url' : $doc.getURL('view', > "text=${query}&space=${selectedSpace}"), 'totalItems' : > $searchresults.getHitcount(), 'defaultItemsPerPage' : $defaultItemsPerPage, > 'position': 'top'}) > {{html}} > #pagination($paginationParameters) > {{/html}} > #end > ## ----------------- > ## Display results > ## ----------------- > #set($firstIndex = "$!{paginationParameters.firstItem}") > #if($firstIndex == '') > #set($firstIndex = "$!request.getParameter('firstIndex')") > #if($firstIndex == '') > #set($firstIndex = '0') > #end > #end > #set($firstIndex = $util.parseInt($firstIndex)) > #set($firstIndex = $firstIndex + 1) > #set($results = $searchresults.getResults("$firstIndex", > "$itemsPerPage")) > #if ($rssmode) > #set ($list = $util.arrayList) > #foreach ($item in $results) > #if ($item.type != "attachment") > #set ($ok = $list.add(0, "${item.web}.${item.name}")) > #end > #end > #set ($feed = $xwiki.feed.getDocumentFeed($list, > $util.getHashMap())) > #set ($feedURI = $doc.getExternalURL("view")) > #set ($discard = $feed.setLink($feedURI)) > #set ($discard = $feed.setUri($feedURI)) > #set ($discard = $feed.setAuthor('XWiki')) > #set ($discard = $feed.setTitle($msg.get('xe.search.rss', [$text]))) > #set ($discard = $feed.setDescription($msg.get('xe.search.rss', > [$text]))) > #set ($discard = $feed.setLanguage($context.language)) > #set ($discard = > $feed.setCopyright($xwiki.getXWikiPreference('copyright'))) > $xwiki.feed.getFeedOutput($feed, 'rss_2.0') > #else > #set ($list = $results) > #set ($isScored = true) > {{include document="XWiki.Results"/}} > #end > ## ----------------- > ## Pagination (bottom) > ## ----------------- > #if(!$rssmode) > #set($paginationParameters.position = 'bottom') > {{html}} > #pagination($paginationParameters) > {{/html}} > ## --------------- > ## RSS link > ## --------------- > #if($selectedSpace == '') > #set($rssURL = $xwiki.getURL($doc.fullName, 'view', > "xpage=rdf&text=${utext}" )) > #else > #set($rssURL = $xwiki.getURL($doc.fullName, 'view', > "xpage=rdf&space=${selectedSpace}&text=${utext}")) > #end > {{html}} > <a href="${rssURL}"><img > src="$xwiki.getSkinFile("icons/silk/feed.gif")" alt="RSS > icon"/>$msg.get("xe.search.rss", ["[$query]"])</a> > {{/html}} > #end > #end > #else > > {{error}}$msg.get('xe.search.plugin.notfound')){{/error}} > #end > #end > #if (!$rssmode) > ## --------------- > ## Rebuild processing > ## --------------- > #set($lucene = $xwiki.getPlugin("lucene")) > #if($lucene) > #set($doRebuild = "$!{request.getParameter('rebuild')}") > #if($doRebuild == "yes") > #set($documentCount = $lucene.rebuildIndex()) > #if(${documentCount} >= 0) > > {{info}}$msg.get("xe.search.rebuild.started"){{/info}} > #elseif(${documentCount} == -1) > > {{error}}$msg.get("xe.search.rebuild.rights"){{/error}} > > #elseif(${documentCount} == -2) > > {{error}}$msg.get("xe.search.rebuild.inprogress"){{/error}} > #else > > {{error}}$msg.get("xe.search.rebuild.failed"){{/error}} > #end > #else## !doRebuild > ## --------------- > ## Queue & rebuild option > ## --------------- > #set ($queuesize = $xwiki.lucene.getQueueSize()) > #if ($queuesize > 2) > #set($info1 = $msg.get('xe.search.rebuild.currently', > [${queuesize}])) > #else > #set($info1 = $msg.get('xe.search.index.uptodate')) > #end > #if($hasAdmin) > #set($info2 = " > [[$msg.get('xe.search.index.rebuild')>>${doc.space}.${doc.name > }?rebuild=yes] > ].") > #else > #set($info2 = "") > #end > > {{info}}${info1}${info2}{{/info}} > #end## doRebuild > #set($defaultSearch = > "[[$msg.get('xe.search.default.engine')>>WebSearch?text=$utext]]") > > {{warning}}$msg.get('xe.search.lucene.experimental', > [$defaultSearch]){{/warning}} > > #else## !lucene exists > #set($defaultSearch = > "[[$msg.get('xe.search.default.engine')>>WebSearch?text=$utext]]") > > {{warning}}$msg.get('xe.search.plugin.notenabled', > [$defaultSearch]){{/warning}} > #end## lucene exists > #end## !$rssmode] > > > at > > org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluate(VelocityM > acro.java:118) > at > > org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluate(VelocityM > acro.java:44) > at > > org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptM > acro.java:200) > at > > org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptM > acro.java:52) > at > > org.xwiki.rendering.internal.transformation.MacroTransformation.transformOnc > e(MacroTransformation.java:175) > at > > org.xwiki.rendering.internal.transformation.MacroTransformation.transform(Ma > croTransformation.java:120) > at > > org.xwiki.rendering.internal.transformation.DefaultTransformationManager.per > formTransformations(DefaultTransformationManager.java:72) > at > > com.xpn.xwiki.doc.XWikiDocument.performSyntaxConversion(XWikiDocument.java:5 > 696) > at > > com.xpn.xwiki.doc.XWikiDocument.performSyntaxConversion(XWikiDocument.java:5 > 671) > at > com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:569) > at > com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:583) > at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:475) > at sun.reflect.GeneratedMethodAccessor257.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl > .java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke( > UberspectImpl.java:389) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(Ub > erspectImpl.java:378) > at > > org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270 > ) > at > > org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.ja > va:252) > at > > org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java > :493) > at > > org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.ja > va:71) > at > > org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirecti > ve.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:33 > 6) > at > > org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement > .java:106) > at > > org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:33 > 6) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:191) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:156) > at > > com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.ja > va:116) > at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710) > at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631) > at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:657) > at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl > .java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke( > UberspectImpl.java:389) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(Ub > erspectImpl.java:378) > at > > org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270 > ) > at > > org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.ja > va:252) > at > > org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.jav > a:332) > at > org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) > at > > org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroPro > xy.java:212) > at > > org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java: > 247) > at > > org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.jav > a:175) > 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:33 > 6) > at > > org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement > .java:106) > at > > org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:33 > 6) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:191) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:156) > at > > com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.ja > va:116) > at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1710) > at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1631) > at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:123) > at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:224) > at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115) > at > > org.apache.struts.action.RequestProcessor.processActionPerform(RequestProces > sor.java:431) > at > > org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) > at > org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) > at > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:290) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at > > com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilt > er.java:152) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:117) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at > com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at > > com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFi > lter.java:295) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at > > com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFi > lter.java:112) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application > FilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh > ain.java:206) > at > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja > va:233) > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja > va:191) > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128 > ) > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 > ) > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java > :109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) > at > org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) > at > org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291) > at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769) > at > > org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698) > at > > org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java > :891) > at > > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav > a:690) > at java.lang.Thread.run(Thread.java:619) > Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate > content with id [velocity macro] > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:200) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:156) > at > > org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluate(VelocityM > acro.java:110) > ... 93 more > Caused by: org.apache.velocity.exception.MethodInvocationException: > Invocation of method 'getQueueSize' in class > com.xpn.xwiki.plugin.lucene.LucenePluginApi threw exception > java.lang.NullPointerException at velocity macro[line 246, column 34] > at > > org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException( > ASTMethod.java:337) > at > > org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:284 > ) > at > > org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.ja > va:252) > at > > org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java > :493) > at > > org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.ja > va:71) > at > > org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirecti > ve.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:33 > 6) > 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.ASTIfStatement.render(ASTIfStatement > .java:87) > at > > org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:33 > 6) > at > > org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEn > gine.java:191) > ... 95 more > Caused by: java.lang.NullPointerException > at > > com.xpn.xwiki.plugin.lucene.LucenePlugin.getQueueSize(LucenePlugin.java:661) > at > > com.xpn.xwiki.plugin.lucene.LucenePluginApi.getQueueSize(LucenePluginApi.jav > a:183) > at sun.reflect.GeneratedMethodAccessor370.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl > .java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke( > UberspectImpl.java:389) > at > > org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(Ub > erspectImpl.java:378) > at > > org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270 > ) > ... 108 more > > _______________________________________________ > users mailing list > users@xwiki.org > http://lists.xwiki.org/mailman/listinfo/users > > _______________________________________________ > users mailing list > users@xwiki.org > http://lists.xwiki.org/mailman/listinfo/users > -- Guillaume Lerouge Product Manager - XWiki SAS Skype: wikibc Twitter: glerouge http://guillaumelerouge.com/ _______________________________________________ users mailing list users@xwiki.org http://lists.xwiki.org/mailman/listinfo/users