org.jdom.IllegalNameException: The name "" is not legal for JDOM/XML attributes: XML names cannot be null or empty. {{ at org.jdom.Attribute.setName(Attribute.java:363)}} {{ at org.jdom.Attribute.(Attribute.java:227)}} {{ at org.jdom.Attribute.(Attribute.java:205)}} {{ at org.jdom.DefaultJDOMFactory.attribute(DefaultJDOMFactory.java:80)}} {{ at org.jdom.input.DOMBuilder.buildTree(DOMBuilder.java:345)}} {{ at org.jdom.input.DOMBuilder.buildTree(DOMBuilder.java:360)}} {{ at org.jdom.input.DOMBuilder.buildTree(DOMBuilder.java:360)}} {{ at org.jdom.input.DOMBuilder.buildTree(DOMBuilder.java:173)}} {{ at org.jdom.input.DOMBuilder.build(DOMBuilder.java:138)}} {{ at org.xwiki.xml.html.HTMLUtils.toString(HTMLUtils.java:211)}} {{ at org.xwiki.rendering.internal.macro.html.HTMLMacro.cleanHTML(HTMLMacro.java:225)}} {{ at org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:163)}} {{ at org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:75)}} {{ at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)}} {{ at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)}} {{ at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)}} {{ at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:74)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.tranform(DefaultBlockAsyncRenderer.java:143)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.execute(DefaultBlockAsyncRenderer.java:126)}} {{ at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)}} {{ at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)}} {{ at org.xwiki.uiextension.internal.WikiUIExtension.render(WikiUIExtension.java:179)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:67)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:49)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)}} {{ at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:232)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:113)}} {{ at org.xwiki.uiextension.internal.AbstractWikiUIExtension.execute(AbstractWikiUIExtension.java:112)}} {{ at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source)}} {{ at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)}} {{ at java.lang.reflect.Method.invoke(Method.java:498)}} {{ at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)}} {{ at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)}} {{ at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)}} {{ at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)}} {{ at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:701)}} {{ at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72)}} {{ at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:165)}} {{ at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)}} {{ at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)}} {{ at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)}} {{ at org.apache.velocity.runtime.directive.Foreach.renderBlock(Foreach.java:306)}} {{ at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:276)}} {{ at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)}} {{ at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)}} {{ at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172)}} {{ at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)}} {{ at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172)}} {{ at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)}} {{ at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)}} {{ at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)}} {{ at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)}} {{ at org.apache.velocity.Template.merge(Template.java:358)}} {{ at org.apache.velocity.Template.merge(Template.java:262)}} {{ at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284)}} {{ at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)}} {{ at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)}} {{ at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)}} {{ at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)}} {{ at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)}} {{ at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)}} {{ at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)}} {{ at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)}} {{ at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)}} {{ at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)}} {{ at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)}} {{ at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)}} {{ at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)}} {{ at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)}} {{ at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506)}} {{ at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)}} {{ at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:576)}} {{ at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:250)}} {{ 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:635)}} {{ at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:239)}} {{ at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:215)}} {{ at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)}} {{ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)}} {{ at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)}} {{ at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)}} {{ at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)}} {{ at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)}} {{ at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)}} {{ at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)}} {{ at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)}} {{ at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:476)}} {{ at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)}} {{ at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)}} {{ at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)}} {{ at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)}} {{ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)}} {{ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)}} {{ at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)}} { { at java.lang.Thread.run(Thread.java:748)} }